pdb_id stringlengths 4 4 | mmcif_path stringlengths 20 20 | mmcif_file_size_bytes int64 7.32k 102M | mmcif_blob_id stringlengths 40 40 | pdb_url stringlengths 35 35 | rcsb_download_url stringlengths 43 43 | classification stringlengths 0 67 | accession_date stringlengths 8 8 | accession_date_iso stringdate 1973-11-01 00:00:00 2026-04-21 00:00:00 | title stringlengths 3 390 | source_organism stringlengths 0 798 | authors stringlengths 6 999 | raw_resolution stringlengths 0 11 | resolution_angstrom float64 0 50 ⌀ | resolution_is_unknown bool 2
classes | experimental_method stringclasses 21
values | has_entries_idx_metadata bool 1
class | split_bucket int64 1 9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
21ah | mmcif/1a/21ah.cif.gz | 70,562 | c2e5de2c3eeb24b9881ce5867cbb7aab8c5450c9 | https://www.rcsb.org/structure/21AH | https://files.rcsb.org/download/21ah.cif.gz | MEMBRANE PROTEIN | 12/04/25 | 2025-12-04 | LY334370-bound serotonin 1F (5-HT1F) receptor | Homo sapiens | Cao, C., Ji, Z., Wang, Y. | 3.18 | 3.18 | false | ELECTRON MICROSCOPY | true | 7 |
21ak | mmcif/1a/21ak.cif.gz | 755,997 | d4b052af6123192201e3a946eaffa34b1231cc76 | https://www.rcsb.org/structure/21AK | https://files.rcsb.org/download/21ak.cif.gz | TRANSFERASE | 12/04/25 | 2025-12-04 | Cryo-EM structure of the E. coli ArnA hexamer | Escherichia coli | Jiang, X., Kikkawa, M. | 3.23 | 3.23 | false | ELECTRON MICROSCOPY | true | 7 |
21al | mmcif/1a/21al.cif.gz | 83,369 | 1e5a9686b9445cc9cb2aae007ca39a5ecc9fc230 | https://www.rcsb.org/structure/21AL | https://files.rcsb.org/download/21al.cif.gz | VIRAL PROTEIN | 12/05/25 | 2025-12-05 | Tetrameric complex of the Borna disease virus 1 nucleoprotein (mutant Arg341Ala) | Borna disease virus 1 | Sugita, Y., Goto, S.H., Hirai, Y., Horie, M. | 3.57 | 3.57 | false | ELECTRON MICROSCOPY | true | 6 |
21aq | mmcif/1a/21aq.cif.gz | 112,422 | 408f70ae5bd4326351800dcc5c8e8984a4d21fed | https://www.rcsb.org/structure/21AQ | https://files.rcsb.org/download/21aq.cif.gz | VIRAL PROTEIN | 12/05/25 | 2025-12-05 | Epitope and functional classification of human neutralizing antibodies against SFTSV Gn | Homo sapiens; Severe fever with thrombocytopenia syndrome virus | Wang, Q.R., Jian, F.C., Wang, Y.X. | 2.97 | 2.97 | false | ELECTRON MICROSCOPY | true | 4 |
21au | mmcif/1a/21au.cif.gz | 153,417 | 2e4dc2e054a0280c05ee7d611dc9e5d681ea50ee | https://www.rcsb.org/structure/21AU | https://files.rcsb.org/download/21au.cif.gz | VIRAL PROTEIN | 12/05/25 | 2025-12-05 | Epitope and functional classification of human neutralizing antibodies against SFTSV Gn | Homo sapiens; Severe fever with thrombocytopenia syndrome virus | Wang, Q.R., Jian, F.C., Wang, Y.X. | 2.69 | 2.69 | false | ELECTRON MICROSCOPY | true | 2 |
21av | mmcif/1a/21av.cif.gz | 153,463 | 46d2fb081f42918b6d7762b042cf17679fc26bff | https://www.rcsb.org/structure/21AV | https://files.rcsb.org/download/21av.cif.gz | VIRAL PROTEIN | 12/05/25 | 2025-12-05 | Epitope and functional classification of human neutralizing antibodies against SFTSV Gn | Homo sapiens; Severe fever with thrombocytopenia syndrome virus | Wang, Q.R., Jian, F.C., Wang, Y.X. | 2.69 | 2.69 | false | ELECTRON MICROSCOPY | true | 2 |
21bh | mmcif/1b/21bh.cif.gz | 662,814 | fa761c61f6f196751a30662ce2622984e2b77743 | https://www.rcsb.org/structure/21BH | https://files.rcsb.org/download/21bh.cif.gz | ANTIVIRAL PROTEIN/RNA | 12/06/25 | 2025-12-06 | Cryo-EM structure of type VII CRISPR-Cas complex at the target engagement state | metagenome | Zhang, H., Zhang, S. | 3.1 | 3.1 | false | ELECTRON MICROSCOPY | true | 1 |
21bi | mmcif/1b/21bi.cif.gz | 40,579 | 4d375b2a45f4796b55501863a8b93090743d100b | https://www.rcsb.org/structure/21BI | https://files.rcsb.org/download/21bi.cif.gz | CYTOKINE | 03/21/91 | 1991-03-21 | INTERLEUKIN-1 BETA (IL-1 BETA) (MUTANT WITH CYS 71 REPLACED BY ALA) (C71A) | Homo sapiens | Veerapandian, B., Poulos, T.L., Gilliland, G.L., Masui, Y., Hirai, Y. | 2 | 2 | false | X-RAY DIFFRACTION | true | 6 |
21bk | mmcif/1b/21bk.cif.gz | 312,751 | 62fb8c5d316ca8951fc8e238774319be2018e279 | https://www.rcsb.org/structure/21BK | https://files.rcsb.org/download/21bk.cif.gz | HYDROLASE | 12/06/25 | 2025-12-06 | Crystal Structure of the Fluoroacetate Dehalogenase RPA1163-His280Ala with (S)-2-fluoro-3-phenylpropanoic acid | Rhodopseudomonas palustris CGA009 | Huang, H.S., Zhang, Z.M. | 2.01428 | 2.01428 | false | X-RAY DIFFRACTION | true | 8 |
21cb | mmcif/1c/21cb.cif.gz | 337,225 | 723a836cefc0bc7ab064c22496a92889cfba05e7 | https://www.rcsb.org/structure/21CB | https://files.rcsb.org/download/21cb.cif.gz | HYDROLASE/RNA | 12/07/25 | 2025-12-07 | Cryo-EM structure of DICER with pre-mir-517a-GU in pre-dicing state | Homo sapiens; SYNTHETIC CONSTRUCT | Ngo, M.K. | 3.0 | 3 | false | ELECTRON MICROSCOPY | true | 7 |
21cc | mmcif/1c/21cc.cif.gz | 186,175 | 0611e1d36a39bfd1ebe52880e4893d81fce215dd | https://www.rcsb.org/structure/21CC | https://files.rcsb.org/download/21cc.cif.gz | RNA | 12/07/25 | 2025-12-07 | A solution NMR model of L-RNA r(UAGGGUUAGGGU) bounding Protoporphyrin IX ligand | Iwakiri, R., Wang, S.Y., Xu, Y. | NOT | null | true | SOLUTION NMR | true | 2 | |
21cn | mmcif/1c/21cn.cif.gz | 216,506 | 3e1721a70f34987bb7a8e53064db542e3999997b | https://www.rcsb.org/structure/21CN | https://files.rcsb.org/download/21cn.cif.gz | HYDROLASE/RNA | 12/08/25 | 2025-12-08 | Cryo-EM structure of DICER with pre-mir-517a-GU in dicing state | Homo sapiens; SYNTHETIC CONSTRUCT | Ngo, M.K. | 3.21 | 3.21 | false | ELECTRON MICROSCOPY | true | 1 |
21cq | mmcif/1c/21cq.cif.gz | 219,198 | 089009ec4260afba732647afe939a937c61aa967 | https://www.rcsb.org/structure/21CQ | https://files.rcsb.org/download/21cq.cif.gz | HYDROLASE/RNA | 12/08/25 | 2025-12-08 | Cryo-EM structure of DICER-D991G-H992G/26S-GU complex in dicing state | Homo sapiens; SYNTHETIC CONSTRUCT | Ngo, M.K. | 3.29 | 3.29 | false | ELECTRON MICROSCOPY | true | 4 |
21dc | mmcif/1d/21dc.cif.gz | 117,295 | ace835fa96c60c977daa6ea821a719fdb7bd46c4 | https://www.rcsb.org/structure/21DC | https://files.rcsb.org/download/21dc.cif.gz | HYDROLASE | 12/09/25 | 2025-12-09 | Crystal structure of poly-gamma-glutamate hydrolase from Bacillus phage PM1 | Bacillus phage PM1 | Abe, K., Fukui, K., Ogura, Y. | 1.2 | 1.2 | false | X-RAY DIFFRACTION | true | 1 |
21dg | mmcif/1d/21dg.cif.gz | 115,975 | 9f0c69aab74bb78b9aabb0293efca94a347b1903 | https://www.rcsb.org/structure/21DG | https://files.rcsb.org/download/21dg.cif.gz | HYDROLASE | 12/09/25 | 2025-12-09 | Crystal structure of poly-gamma-glutamate hydrolase from Bacillus phage PM1 in complex with a zinc ion | Bacillus phage PM1 | Abe, K., Fukui, K., Ogura, Y. | 1.38 | 1.38 | false | X-RAY DIFFRACTION | true | 9 |
21dh | mmcif/1d/21dh.cif.gz | 1,107,917 | aca99dcfacbc094b377420ed862937321076c998 | https://www.rcsb.org/structure/21DH | https://files.rcsb.org/download/21dh.cif.gz | CELL ADHESION | 12/09/25 | 2025-12-09 | Crystal structure of MBP-fused Monobody P' in complex with HPPU | Escherichia coli K-12; synthetic construct | Endo, K., Umemoto, S., Okumura, H., Sato, Y., Tsukiji, S., Nagano, S., Murakami, H., Hino, T. | 2.57 | 2.57 | false | X-RAY DIFFRACTION | true | 5 |
21di | mmcif/1d/21di.cif.gz | 102,291 | ed88e352b77163ef3bc5aa50e31a204244af7963 | https://www.rcsb.org/structure/21DI | https://files.rcsb.org/download/21di.cif.gz | VIRAL PROTEIN | 12/09/25 | 2025-12-09 | Cryo-EM reconstruction of the cyanophage Pam5 small terminase | Pseudanabaena phage Pam5 | Dong, D.Q., Jiang, Y.L., Zhou, C.Z. | 3.5 | 3.5 | false | ELECTRON MICROSCOPY | true | 5 |
21dl | mmcif/1d/21dl.cif.gz | 155,976 | 9e8fa712574fec7481283374fac091d261e42ae7 | https://www.rcsb.org/structure/21DL | https://files.rcsb.org/download/21dl.cif.gz | HYDROLASE | 12/09/25 | 2025-12-09 | Crystal structure of de novo designed esterase RPA1511-5221 | unidentified | Wang, S., Liu, R. | 3.3 | 3.3 | false | X-RAY DIFFRACTION | true | 3 |
21du | mmcif/1d/21du.cif.gz | 231,430 | 538c6120820ddde83114df0135a221e2386f459b | https://www.rcsb.org/structure/21DU | https://files.rcsb.org/download/21du.cif.gz | MEMBRANE PROTEIN/IMMUNE SYSTEM | 12/09/25 | 2025-12-09 | Cryo-EM structure of the apomorphine bound ADGRG6-Gs complex | Homo sapiens; Lama glama | Han, S., Wu, B., Zhao, Q. | 2.9 | 2.9 | false | ELECTRON MICROSCOPY | true | 8 |
21fb | mmcif/1f/21fb.cif.gz | 80,053 | 858919a637da299d3bd705e7c1f10692b8d4f283 | https://www.rcsb.org/structure/21FB | https://files.rcsb.org/download/21fb.cif.gz | PROTEIN FIBRIL | 12/10/25 | 2025-12-10 | Structure of minor species of Abeta fibrils from AppNL-FPsen1P117L mice | Homo sapiens | Cao, Q., Song, M. | 3.4 | 3.4 | false | ELECTRON MICROSCOPY | true | 8 |
21fg | mmcif/1f/21fg.cif.gz | 207,181 | 60c777e86e76d32402ea4b8179c7f07f4402c2a5 | https://www.rcsb.org/structure/21FG | https://files.rcsb.org/download/21fg.cif.gz | TRANSPORT PROTEIN | 12/11/25 | 2025-12-11 | Cryo-EM structure of the human P2X3 receptor in the ATP- and sivopixant-bound closed state | Homo sapiens | Hattori, M., Zhao, Z. | 3.34 | 3.34 | false | ELECTRON MICROSCOPY | true | 2 |
21fy | mmcif/1f/21fy.cif.gz | 260,891 | 9375c2eb771cd70b4f28724b0ebdabd3c08bfd24 | https://www.rcsb.org/structure/21FY | https://files.rcsb.org/download/21fy.cif.gz | VIRAL PROTEIN | 12/11/25 | 2025-12-11 | The cryo-EM structure of IscS-PptA complex | Escherichia coli K-12; Psychrobacter phage vB_PmaS_Y8A | Wang, Y. | 2.85 | 2.85 | false | ELECTRON MICROSCOPY | true | 8 |
21ge | mmcif/1g/21ge.cif.gz | 832,594 | 97c1065bc5b849b9c73bd38c32551dcee82c0b16 | https://www.rcsb.org/structure/21GE | https://files.rcsb.org/download/21ge.cif.gz | PROTEIN BINDING | 12/11/25 | 2025-12-11 | Solution structures of BRD9 bromodomain in complex with histone H3 acetyl-lysine 18 (H3K18ac) peptide | Homo sapiens; SYNTHETIC CONSTRUCT | Wei, E., Zeng, L. | NOT | null | true | SOLUTION NMR | true | 6 |
21hj | mmcif/1h/21hj.cif.gz | 835,248 | e0314ccf0faf39f1ac3daa97c778d23a251d9b13 | https://www.rcsb.org/structure/21HJ | https://files.rcsb.org/download/21hj.cif.gz | PROTEIN BINDING | 12/12/25 | 2025-12-12 | Solution structures of BRD9 bromodomain in complex with histone H3 lactyl-lysine 18 (H3K18la) peptide | Homo sapiens; SYNTHETIC CONSTRUCT | Wei, E., Zeng, L. | NOT | null | true | SOLUTION NMR | true | 2 |
21ie | mmcif/1i/21ie.cif.gz | 39,376 | 6720d3cf172b85637afb0b7ffcb462ef1752c7ac | https://www.rcsb.org/structure/21IE | https://files.rcsb.org/download/21ie.cif.gz | NUCLEAR PROTEIN | 12/13/25 | 2025-12-13 | The MIDN Catch-IRF4 (A8S) fusion protein | Homo sapiens | Ding, J., Chen, Z., Zhong, Y. | 3.24 | 3.24 | false | X-RAY DIFFRACTION | true | 8 |
21ig | mmcif/1i/21ig.cif.gz | 163,288 | 130a0443f6061f224d4895cc915bfad6641cb4c6 | https://www.rcsb.org/structure/21IG | https://files.rcsb.org/download/21ig.cif.gz | LYASE | 12/13/25 | 2025-12-13 | Crystal structure of terpeniod cyclase SpSODS from rhizobacterium Serratia plymuthica | Serratia plymuthica 4Rx13 | Li, X.Q., Zheng, Y., Zhang, L.L., Huang, J.-W., Chen, C.-C., Guo, R.-T. | 2.22 | 2.22 | false | X-RAY DIFFRACTION | true | 7 |
21ih | mmcif/1i/21ih.cif.gz | 171,476 | 7b8d7f657e361493da291dfd92e63dd779afa44d | https://www.rcsb.org/structure/21IH | https://files.rcsb.org/download/21ih.cif.gz | LYASE | 12/15/25 | 2025-12-15 | Crystal structure of terpeniod cyclase SpSODS in complex with PPi and Mg2+ | Serratia plymuthica 4Rx13 | Li, X.Q., Zhang, L.L., Huang, J.-W., Chen, C.-C., Guo, R.-T. | 1.87 | 1.87 | false | X-RAY DIFFRACTION | true | 9 |
21ii | mmcif/1i/21ii.cif.gz | 185,340 | 64631b58a219bf251720dc2eb237891b3fd4c8f2 | https://www.rcsb.org/structure/21II | https://files.rcsb.org/download/21ii.cif.gz | LYASE | 12/13/25 | 2025-12-13 | Crystal structure of terpeniod cyclase SpSODS in complex with GPP and Mg2+ | Serratia plymuthica 4Rx13 | Li, X.Q., Zhang, L.L., Huang, J.-W., Chen, C.-C., Guo, R.-T. | 1.74 | 1.74 | false | X-RAY DIFFRACTION | true | 3 |
21ik | mmcif/1i/21ik.cif.gz | 71,695 | d362bd38b1a37cb8bedd63848816695aba84f069 | https://www.rcsb.org/structure/21IK | https://files.rcsb.org/download/21ik.cif.gz | NUCLEAR PROTEIN | 12/13/25 | 2025-12-13 | The MIDN Catch-IRF4 (V2T) fusion protein | Homo sapiens | Ding, J., Chen, Z., Zhong, Y. | 2.99 | 2.99 | false | X-RAY DIFFRACTION | true | 8 |
21ip | mmcif/1i/21ip.cif.gz | 45,924 | 6b4c9a82981bf840e1f39008d0d39b3811aea73b | https://www.rcsb.org/structure/21IP | https://files.rcsb.org/download/21ip.cif.gz | NUCLEAR PROTEIN | 12/14/25 | 2025-12-14 | The MIDN Catch-IRF4 (A8C) fusion protein | Homo sapiens | Ding, J., Chen, Z., Zhong, Y. | 3.3 | 3.3 | false | X-RAY DIFFRACTION | true | 9 |
21jh | mmcif/1j/21jh.cif.gz | 153,641 | b17ab203e4b4aeca70b4f839d60e3d77910ca3c2 | https://www.rcsb.org/structure/21JH | https://files.rcsb.org/download/21jh.cif.gz | TRANSFERASE | 12/15/25 | 2025-12-15 | Faecalibacterium duncaniae branching enzyme FdBE2 unliganded form | Faecalibacterium duncaniae | Tonozuka, T., Ding, Y., Sugimura, R. | 1.7 | 1.7 | false | X-RAY DIFFRACTION | true | 6 |
21ji | mmcif/1j/21ji.cif.gz | 585,659 | b8a0d7fc265c38e2f4cb64f8b3c67be30ac01702 | https://www.rcsb.org/structure/21JI | https://files.rcsb.org/download/21ji.cif.gz | HYDROLASE | 12/15/25 | 2025-12-15 | Crystal structure of isoprimeverose-producing enzyme from Phaeoacremonium minimum | Phaeoacremonium minimum; Rattus rattus | Nakamichi, Y., Watanabe, M., Yaoi, K., Matsuzawa, T. | 2.8 | 2.8 | false | X-RAY DIFFRACTION | true | 8 |
21ju | mmcif/1j/21ju.cif.gz | 1,124,560 | 155841074001d4b273448cec99f3f00e7514b039 | https://www.rcsb.org/structure/21JU | https://files.rcsb.org/download/21ju.cif.gz | OXIDOREDUCTASE | 12/15/25 | 2025-12-15 | Alcohol Oxidase Mod1p from Ogataea methanolica | Ogataea methanolica | Cai, H.-L., Shimada, A., Hamaguchi, T., Mizoguchi, A., Yonekura, K., Shimada, M., Ebihara, A., Tani, K., Nakagawa, T. | 1.94 | 1.94 | false | ELECTRON MICROSCOPY | true | 2 |
21jv | mmcif/1j/21jv.cif.gz | 1,073,666 | 9d38e1d9834a7a1e5d1d77490d951133b61ecbaa | https://www.rcsb.org/structure/21JV | https://files.rcsb.org/download/21jv.cif.gz | OXIDOREDUCTASE | 12/15/25 | 2025-12-15 | Alcohol Oxidase Mod2p from Ogataea methanolica | Ogataea methanolica | Cai, H.-L., Shimada, A., Hamaguchi, T., Mizoguchi, A., Yonekura, K., Shimada, M., Ebihara, A., Tani, K., Nakagawa, T. | 2.65 | 2.65 | false | ELECTRON MICROSCOPY | true | 9 |
21jx | mmcif/1j/21jx.cif.gz | 217,876 | 466b766d698b32d767365de1ad2807bc0a97d31d | https://www.rcsb.org/structure/21JX | https://files.rcsb.org/download/21jx.cif.gz | TRANSFERASE | 12/15/25 | 2025-12-15 | Crystal structure of compound 1 bound to human Nicotinamide N-methyltransferase | Homo sapiens | Yoshida, S., Kondo, N., Uehara, S., Yoshimura, N., Sako, Y., Yamamoto, S., Kitade, M., Tachibana, Y. | 2.34 | 2.34 | false | X-RAY DIFFRACTION | true | 2 |
21kb | mmcif/1k/21kb.cif.gz | 349,745 | ef2f593b33869e7775210c69889ec84bda857107 | https://www.rcsb.org/structure/21KB | https://files.rcsb.org/download/21kb.cif.gz | LYASE | 12/15/25 | 2025-12-15 | Cystathionine beta-lyase from Klebsiella pneumoniae | Klebsiella pneumoniae | Varfolomeeva, L.A., Anufrieva, N.V., Morozova, E.A., Puchkov, V.M., Kulikova, V.V., Revtovich, S.V., Minyaev, M.E., Popov, V.O., Solyev, P.N., Boyko, K.M. | 1.9 | 1.9 | false | X-RAY DIFFRACTION | true | 3 |
21kg | mmcif/1k/21kg.cif.gz | 158,949 | 42a9054d2b4e96373491f9c92ba6b50f3271636c | https://www.rcsb.org/structure/21KG | https://files.rcsb.org/download/21kg.cif.gz | TRANSFERASE | 12/16/25 | 2025-12-16 | Faecalibacterium duncaniae branching enzyme FdBE2 maltohexaose complex | Faecalibacterium duncaniae | Tonozuka, T., Ding, Y., Sugimura, R. | 1.6 | 1.6 | false | X-RAY DIFFRACTION | true | 1 |
21kl | mmcif/1k/21kl.cif.gz | 163,336 | 5f9b86e2ed89876545eea3165c1de95487af985a | https://www.rcsb.org/structure/21KL | https://files.rcsb.org/download/21kl.cif.gz | ANTIVAL PROTEIN/RNA/DNA | 12/16/25 | 2025-12-16 | Cryo-EM structure of TasH-pre-tigRNA-dsDNA complex | Salicola phage CGphi29 | Zhang, H., Liu, Z. | 3.19 | 3.19 | false | ELECTRON MICROSCOPY | true | 8 |
21ln | mmcif/1l/21ln.cif.gz | 121,103 | b4c52bbb5d8155770e045ebf6b64c7232fd1e416 | https://www.rcsb.org/structure/21LN | https://files.rcsb.org/download/21ln.cif.gz | TRANSFERASE | 12/17/25 | 2025-12-17 | Crystal structure of compound 2 bound to human Nicotinamide N-methyltransferase | Homo sapiens | Yoshida, S., Kondo, N., Uehara, S., Yoshimura, N., Sako, Y., Yamamoto, S., Kitade, M., Tachibana, Y. | 2.01 | 2.01 | false | X-RAY DIFFRACTION | true | 5 |
21nj | mmcif/1n/21nj.cif.gz | 117,630 | 40440533fa81e8bbb1cf969f94678710f4909de7 | https://www.rcsb.org/structure/21NJ | https://files.rcsb.org/download/21nj.cif.gz | TRANSFERASE | 12/20/25 | 2025-12-20 | Crystal structure of compound 10 bound to human Nicotinamide N-methyltransferase | Homo sapiens | Yoshida, S., Kondo, N., Uehara, S., Yoshimura, N., Sako, Y., Yamamoto, S., Kitade, M., Tachibana, Y. | 2.26 | 2.26 | false | X-RAY DIFFRACTION | true | 7 |
21om | mmcif/1o/21om.cif.gz | 172,061 | 9d7a15dbd645c5069b3ebb10b7daa09c8763045c | https://www.rcsb.org/structure/21OM | https://files.rcsb.org/download/21om.cif.gz | OXIDOREDUCTASE | 12/22/25 | 2025-12-22 | Crystal structure of the indoleamine 2,3-dioxygenagse 2 (IDO2) complexed with 5-hydroxy-L-Trp | Homo sapiens | Takahashi, A., Inoue, T., Fukuda, Y., Adachi, N. | 2.68 | 2.68 | false | X-RAY DIFFRACTION | true | 3 |
21oo | mmcif/1o/21oo.cif.gz | 172,862 | bd34f9cc563665b405b2f7621a28f6a736bb3cfe | https://www.rcsb.org/structure/21OO | https://files.rcsb.org/download/21oo.cif.gz | OXIDOREDUCTASE | 12/22/25 | 2025-12-22 | Crystal structure of the indoleamine 2,3-dioxygenagse 2 (IDO2) H143Y mutant complexed with 5-methyl-L-Trp | Homo sapiens | Takahashi, A., Inoue, T., Fukuda, Y., Adachi, N. | 2.55 | 2.55 | false | X-RAY DIFFRACTION | true | 4 |
21tp | mmcif/1t/21tp.cif.gz | 352,132 | b61a572b5f8596bb1260c97f1142921cc7067b42 | https://www.rcsb.org/structure/21TP | https://files.rcsb.org/download/21tp.cif.gz | MEMBRANE PROTEIN | 12/24/25 | 2025-12-24 | Open-state structure of veratridine-activated human Nav1.7 | Homo sapiens | Fan, X., Huang, J., Yan, N. | 3.0 | 3 | false | ELECTRON MICROSCOPY | true | 9 |
21tq | mmcif/1t/21tq.cif.gz | 367,139 | d5362b07cc5c0e79dd2316f27c98bbdfb7d295f8 | https://www.rcsb.org/structure/21TQ | https://files.rcsb.org/download/21tq.cif.gz | MEMBRANE PROTEIN | 12/24/25 | 2025-12-24 | The structure of Nav1.7 with veratridine standing near the IFM motif (site I) | Homo sapiens | Fan, X., Huang, J., Yan, N. | 2.7 | 2.7 | false | ELECTRON MICROSCOPY | true | 1 |
21tv | mmcif/1t/21tv.cif.gz | 211,991 | 1be39e048e813d7b1e49e9e3c21abdcd43f33ce4 | https://www.rcsb.org/structure/21TV | https://files.rcsb.org/download/21tv.cif.gz | CYTOKINE | 12/26/25 | 2025-12-26 | Cryo-EM structure of the TNF-alpha-Ozoralizumab (OZR)-HSA complex | Homo sapiens | Tanaka, Y., Sato, K., Mima, M., Mishima-Tsumagari, C. | 6.19 | 6.19 | false | ELECTRON MICROSCOPY | true | 7 |
21tw | mmcif/1t/21tw.cif.gz | 137,573 | 0c2161b5f9a350d10bff5f3b321ffca5d3362273 | https://www.rcsb.org/structure/21TW | https://files.rcsb.org/download/21tw.cif.gz | CYTOKINE | 12/24/25 | 2025-12-24 | Cryo-EM structure of TNF-alpha in complex with two anti-TNF-alpha nanobodies, TNF30, derived from the TNF-alpha inhibitor Ozoralizumab (OZR) | Homo sapiens | Tanaka, Y., Sato, K., Mima, M., Mishima-Tsumagari, C. | 2.43 | 2.43 | false | ELECTRON MICROSCOPY | true | 1 |
21we | mmcif/1w/21we.cif.gz | 332,588 | 7d9192e2b22f3fcf64c5a392d3852b3ebebbfdea | https://www.rcsb.org/structure/21WE | https://files.rcsb.org/download/21we.cif.gz | IMMUNE SYSTEM/RNA | 12/31/25 | 2025-12-31 | BaCas12a3 binary complex | Bacteroidales bacterium | Ji, S. | 2.91 | 2.91 | false | ELECTRON MICROSCOPY | true | 6 |
21wj | mmcif/1w/21wj.cif.gz | 359,639 | 0310f00d9ab53fe4768a92be8b04f7d0c160add2 | https://www.rcsb.org/structure/21WJ | https://files.rcsb.org/download/21wj.cif.gz | IMMUNE SYSTEM/RNA | 12/31/25 | 2025-12-31 | BaCas12a3 ternary complex | Bacteroidales; Bacteroidales bacterium; SYNTHETIC CONSTRUCT | Ji, S. | 2.87 | 2.87 | false | ELECTRON MICROSCOPY | true | 7 |
21xk | mmcif/1x/21xk.cif.gz | 21,615 | 4b22c456284ec8b0a88fa1a970d5f534d0790e38 | https://www.rcsb.org/structure/21XK | https://files.rcsb.org/download/21xk.cif.gz | UNKNOWN FUNCTION | 01/03/26 | 2026-01-03 | TLP-2f, a glycofibril obtained from a Karst cave from Guilin City, Guangxi Zhuang Autonomous Region, China | unidentified | Hu, M.X., Zhang, Q., Chen, S., Ge, Q.J., Wang, J.W., Yan, N., Qin, L.J. | 2.64 | 2.64 | false | ELECTRON MICROSCOPY | true | 6 |
21xl | mmcif/1x/21xl.cif.gz | 18,317 | 027af3edfb2545a2d94e5c4c3a1436b9a8526f31 | https://www.rcsb.org/structure/21XL | https://files.rcsb.org/download/21xl.cif.gz | UNKNOWN FUNCTION | 01/03/26 | 2026-01-03 | TLP-2g, a glycofibril obtained from a Karst cave from Guilin City, Guangxi Zhuang Autonomous Region, China | unidentified | Hu, M.X., Zhang, Q., Chen, S., Ge, Q.J., Wang, J.W., Yan, N., Qin, L.J. | 2.58 | 2.58 | false | ELECTRON MICROSCOPY | true | 2 |
21xm | mmcif/1x/21xm.cif.gz | 17,956 | 07f76bbb124cdeb4394d64f4f4908bc19a5bd2b1 | https://www.rcsb.org/structure/21XM | https://files.rcsb.org/download/21xm.cif.gz | UNKNOWN FUNCTION | 01/03/26 | 2026-01-03 | TLP-2h, a glycofibril obtained from a Karst cave from Guilin City, Guangxi Zhuang Autonomous Region, China | unidentified | Hu, M.X., Zhang, Q., Chen, S., Ge, Q.J., Wang, J.W., Yan, N., Qin, L.J. | 2.8 | 2.8 | false | ELECTRON MICROSCOPY | true | 8 |
21zd | mmcif/1z/21zd.cif.gz | 189,040 | 73a4ee4a19b3527a2d116cc376a3858d6090a5ff | https://www.rcsb.org/structure/21ZD | https://files.rcsb.org/download/21zd.cif.gz | METAL TRANSPORT PROTEIN | 01/04/26 | 2026-01-04 | Crystal structure of the petrobactin-binding protein FatB from Bacillus cereus in the apo-form | Bacillus cereus ATCC 14579 | Lee, H., Kim, S.O., You, S., Noh, T., Ihee, H. | 1.91 | 1.91 | false | X-RAY DIFFRACTION | true | 7 |
21ze | mmcif/1z/21ze.cif.gz | 179,214 | 63f2c20cb8d26165f106a3c2f1f8114017107108 | https://www.rcsb.org/structure/21ZE | https://files.rcsb.org/download/21ze.cif.gz | METAL TRANSPORT PROTEIN | 01/04/26 | 2026-01-04 | Crystal structure of the petrobactin-binding protein FatB from Bacillus cereus complexed with ferric petrobactin | Bacillus cereus ATCC 14579 | Lee, H., Kim, S.O., You, S., Noh, T., Ihee, H. | 1.78 | 1.78 | false | X-RAY DIFFRACTION | true | 7 |
21zf | mmcif/1z/21zf.cif.gz | 94,378 | c4c9090342f2815761edc61650045ab8c62abc5b | https://www.rcsb.org/structure/21ZF | https://files.rcsb.org/download/21zf.cif.gz | METAL TRANSPORT PROTEIN | 01/04/26 | 2026-01-04 | Crystal structure of the petrobactin-binding protein FatB from Bacillus cereus complexed with ferric petrobactin photoproduct, FePBv | Bacillus cereus ATCC 14579 | Lee, H., Kim, S.O., You, S., Noh, T., Ihee, H. | 1.58 | 1.58 | false | X-RAY DIFFRACTION | true | 1 |
21zg | mmcif/1z/21zg.cif.gz | 171,236 | baa2ebd13ceb7e7abb32e3f72762eec522a45f96 | https://www.rcsb.org/structure/21ZG | https://files.rcsb.org/download/21zg.cif.gz | METAL TRANSPORT PROTEIN | 01/04/26 | 2026-01-04 | Crystal structure of the petrobactin-binding protein FatB from Bacillus cereus complexed with ferric siderophore mimic, Fe(3,4-DHB)2 | Bacillus cereus ATCC 14579 | Lee, H., Kim, S.O., You, S., Noh, T., Ihee, H. | 1.4 | 1.4 | false | X-RAY DIFFRACTION | true | 1 |
220d | mmcif/20/220d.cif.gz | 17,390 | 5efaad51f09a646957d0947c2b36a4fb6b4138f2 | https://www.rcsb.org/structure/220D | https://files.rcsb.org/download/220d.cif.gz | DNA | 06/26/95 | 1995-06-26 | INFLUENCE OF COUNTER-IONS ON THE CRYSTAL STRUCTURES OF DNA DECAMERS: BINDING OF [CO(NH3)6]3+ AND BA2+ TO A-DNA | Gao, Y.-G., Robinson, H., Van Boom, J.H., Wang, A.H.-J. | 2 | 2 | false | X-RAY DIFFRACTION | true | 4 | |
220l | mmcif/20/220l.cif.gz | 49,303 | 24613b9b875d6f714ddc6347c120cbf8741f2182 | https://www.rcsb.org/structure/220L | https://files.rcsb.org/download/220l.cif.gz | HYDROLASE | 06/25/97 | 1997-06-25 | GENERATING LIGAND BINDING SITES IN T4 LYSOZYME USING DEFICIENCY-CREATING SUBSTITUTIONS | Enterobacteria phage T4 | Baldwin, E.P., Baase, W.A., Zhang, X.-J., Feher, V., Matthews, B.W. | 1.85 | 1.85 | false | X-RAY DIFFRACTION | true | 6 |
221d | mmcif/21/221d.cif.gz | 23,569 | e213dc78516179cbbedff5ca0e81ed05f4fca18f | https://www.rcsb.org/structure/221D | https://files.rcsb.org/download/221d.cif.gz | DNA | 06/26/95 | 1995-06-26 | INFLUENCE OF COUNTER-IONS ON THE CRYSTAL STRUCTURES OF DNA DECAMERS: BINDING OF [CO(NH3)6]3+ AND BA2+ TO A-DNA | Gao, Y.-G., Robinson, H., Van Boom, J.H., Wang, A.H.-J. | 1.9 | 1.9 | false | X-RAY DIFFRACTION | true | 2 | |
221l | mmcif/21/221l.cif.gz | 48,507 | 5d9bb953f9138f61ec184f9280bbc8ae3b5caf69 | https://www.rcsb.org/structure/221L | https://files.rcsb.org/download/221l.cif.gz | HYDROLASE(O-GLYCOSYL) | 05/28/93 | 1993-05-28 | THE ENERGETIC COST AND THE STRUCTURAL CONSEQUENCES OF BURYING A HYDROXYL GROUP WITHIN THE CORE OF A PROTEIN DETERMINED FROM ALA TO SER AND VAL TO THR SUBSTITUTIONS IN T4 LYSOZYME | Enterobacteria phage T4 | Blaber, M., Matthews, B.W. | 1.7 | 1.7 | false | X-RAY DIFFRACTION | true | 8 |
221p | mmcif/21/221p.cif.gz | 54,108 | 245252b9ef7574ec3fa659b260cf04ddc8c4bb66 | https://www.rcsb.org/structure/221P | https://files.rcsb.org/download/221p.cif.gz | ONCOGENE PROTEIN | 06/06/91 | 1991-06-06 | THREE-DIMENSIONAL STRUCTURES OF H-RAS P21 MUTANTS: MOLECULAR BASIS FOR THEIR INABILITY TO FUNCTION AS SIGNAL SWITCH MOLECULES | Homo sapiens | Krengel, U., Scherer, A., Kabsch, W., Wittinghofer, A., Pai, E.F. | 2.3 | 2.3 | false | X-RAY DIFFRACTION | true | 2 |
222l | mmcif/22/222l.cif.gz | 49,321 | 0ac5e4ddbe110b804a07352eb28b32d30f2e47ad | https://www.rcsb.org/structure/222L | https://files.rcsb.org/download/222l.cif.gz | HYDROLASE | 06/25/97 | 1997-06-25 | GENERATING LIGAND BINDING SITES IN T4 LYSOZYME USING DEFICIENCY-CREATING SUBSTITUTIONS | Enterobacteria phage T4 | Baldwin, E.P., Baase, W.A., Zhang, X.-J., Feher, V., Matthews, B.W. | 1.9 | 1.9 | false | X-RAY DIFFRACTION | true | 2 |
223d | mmcif/23/223d.cif.gz | 18,766 | eb7bd9332e4b4b7fe2b74b84cf1919f29c856221 | https://www.rcsb.org/structure/223D | https://files.rcsb.org/download/223d.cif.gz | DNA | 08/01/95 | 1995-08-01 | DIRECT OBSERVATION OF TWO BASE-PAIRING MODES OF A CYTOSINE-THYMINE ANALOGUE WITH GUANINE IN A DNA Z-FORM DUPLEX: SIGNIFICANCE FOR BASE ANALOGUE MUTAGENESIS | Moore, M.H., Van Meervelt, L., Salisbury, S.A., Kong Thoo Lin, P., Brown, D.M. | 1.7 | 1.7 | false | X-RAY DIFFRACTION | true | 3 | |
223l | mmcif/23/223l.cif.gz | 50,552 | 7452d5e4efbd19472ea6a82ef8889cc2a46cba46 | https://www.rcsb.org/structure/223L | https://files.rcsb.org/download/223l.cif.gz | HYDROLASE | 06/25/97 | 1997-06-25 | GENERATING LIGAND BINDING SITES IN T4 LYSOZYME USING DEFICIENCY-CREATING SUBSTITUTIONS | Enterobacteria phage T4 | Baldwin, E.P., Baase, W.A., Zhang, X.-J., Feher, V., Matthews, B.W. | 1.9 | 1.9 | false | X-RAY DIFFRACTION | true | 6 |
224d | mmcif/24/224d.cif.gz | 21,914 | 763d354eb90bd49cdce46cf2f0f5bc84986715f0 | https://www.rcsb.org/structure/224D | https://files.rcsb.org/download/224d.cif.gz | DNA | 08/01/95 | 1995-08-01 | DNA-DRUG REFINEMENT: A COMPARISON OF THE PROGRAMS NUCLSQ, PROLSQ, SHELXL93 AND X-PLOR, USING THE LOW TEMPERATURE D(TGATCA)-NOGALAMYCIN STRUCTURE | Schuerman, G.S., Smith, C.K., Turkenburg, J.P., Dettmar, A.N., Van Meervelt, L., Moore, M.H. | 1.4 | 1.4 | false | X-RAY DIFFRACTION | true | 3 | |
224l | mmcif/24/224l.cif.gz | 48,401 | 87636259c95d5fa751dd03d5136804cd3773ece9 | https://www.rcsb.org/structure/224L | https://files.rcsb.org/download/224l.cif.gz | HYDROLASE(O-GLYCOSYL) | 09/27/93 | 1993-09-27 | THE ENERGETIC COST AND THE STRUCTURAL CONSEQUENCES OF BURYING A HYDROXYL GROUP WITHIN THE CORE OF A PROTEIN DETERMINED FROM ALA TO SER AND VAL TO THR SUBSTITUTIONS IN T4 LYSOZYME | Enterobacteria phage T4 | Blaber, M., Matthews, B.W. | 1.85 | 1.85 | false | X-RAY DIFFRACTION | true | 2 |
225d | mmcif/25/225d.cif.gz | 21,764 | 8c1a7298dd37f1a773f4067eca628dc89ecb5b28 | https://www.rcsb.org/structure/225D | https://files.rcsb.org/download/225d.cif.gz | DNA | 07/12/95 | 1995-07-12 | A TETRAMERIC DNA STRUCTURE WITH PROTONATED CYTOSINE:CYTOSINE BASE PAIRS | Gehring, K., Leroy, J.L., Gueron, M. | NOT | null | true | SOLUTION NMR | true | 3 | |
225l | mmcif/25/225l.cif.gz | 50,149 | c0e89fdcf05612508bf8c42cf29a00562e9bb38b | https://www.rcsb.org/structure/225L | https://files.rcsb.org/download/225l.cif.gz | HYDROLASE | 06/25/97 | 1997-06-25 | GENERATING LIGAND BINDING SITES IN T4 LYSOZYME USING DEFICIENCY-CREATING SUBSTITUTIONS | Enterobacteria phage T4 | Baldwin, E.P., Baase, W.A., Zhang, X.-J., Feher, V., Matthews, B.W. | 1.9 | 1.9 | false | X-RAY DIFFRACTION | true | 7 |
226l | mmcif/26/226l.cif.gz | 49,901 | 8071da94736e3cac500dc0649767acc1e265d7bd | https://www.rcsb.org/structure/226L | https://files.rcsb.org/download/226l.cif.gz | HYDROLASE | 06/25/97 | 1997-06-25 | GENERATING LIGAND BINDING SITES IN T4 LYSOZYME USING DEFICIENCY-CREATING SUBSTITUTIONS | Enterobacteria phage T4 | Baldwin, E.P., Baase, W.A., Zhang, X.-J., Feher, V., Matthews, B.W. | 1.8 | 1.8 | false | X-RAY DIFFRACTION | true | 1 |
227d | mmcif/27/227d.cif.gz | 25,979 | ea3e0bdb8d13e5bef2fcdead6929a013872c8575 | https://www.rcsb.org/structure/227D | https://files.rcsb.org/download/227d.cif.gz | DNA | 08/08/95 | 1995-08-08 | A CRYSTALLOGRAPHIC AND SPECTROSCOPIC STUDY OF THE COMPLEX BETWEEN D(CGCGAATTCGCG)2 AND 2,5-BIS(4-GUANYLPHENYL)FURAN, AN ANALOGUE OF BERENIL. STRUCTURAL ORIGINS OF ENHANCED DNA-BINDING AFFINITY | Laughton, C.A., Tanious, F., Nunn, C.M., Boykin, D.W., Wilson, W.D., Neidle, S. | 2.2 | 2.2 | false | X-RAY DIFFRACTION | true | 9 | |
227l | mmcif/27/227l.cif.gz | 49,516 | f8f7c3603f306ae1d321e7026677d48093aad3c0 | https://www.rcsb.org/structure/227L | https://files.rcsb.org/download/227l.cif.gz | HYDROLASE | 06/25/97 | 1997-06-25 | GENERATING LIGAND BINDING SITES IN T4 LYSOZYME USING DEFICIENCY-CREATING SUBSTITUTIONS | Enterobacteria phage T4 | Baldwin, E.P., Baase, W.A., Zhang, X.-J., Feher, V., Matthews, B.W. | 2 | 2 | false | X-RAY DIFFRACTION | true | 9 |
228l | mmcif/28/228l.cif.gz | 48,997 | c74741e13b0b9bd2fea43b9def0c24ea90fdc216 | https://www.rcsb.org/structure/228L | https://files.rcsb.org/download/228l.cif.gz | HYDROLASE | 06/25/97 | 1997-06-25 | GENERATING LIGAND BINDING SITES IN T4 LYSOZYME USING DEFICIENCY-CREATING SUBSTITUTIONS | Enterobacteria phage T4 | Baldwin, E.P., Baase, W.A., Zhang, X.-J., Feher, V., Matthews, B.W. | 1.9 | 1.9 | false | X-RAY DIFFRACTION | true | 3 |
229d | mmcif/29/229d.cif.gz | 20,237 | 71c059ba4d62886df89a5f19051e9eed0cfb848b | https://www.rcsb.org/structure/229D | https://files.rcsb.org/download/229d.cif.gz | DNA | 08/16/95 | 1995-08-16 | DNA ANALOG OF YEAST TRANSFER RNA PHE ANTICODON DOMAIN WITH MODIFIED BASES 5-METHYL CYTOSINE AND 1-METHYL GUANINE | Basti, M.M., Stuart, J.W., Lam, A.T., Guenther, R., Agris, P.F. | NOT | null | true | SOLUTION NMR | true | 8 | |
229l | mmcif/29/229l.cif.gz | 49,984 | d4cfcbcf59a150baec80d5414008468fe5204ba8 | https://www.rcsb.org/structure/229L | https://files.rcsb.org/download/229l.cif.gz | HYDROLASE | 06/26/97 | 1997-06-26 | GENERATING LIGAND BINDING SITES IN T4 LYSOZYME USING DEFICIENCY-CREATING SUBSTITUTIONS | Enterobacteria phage T4 | Baldwin, E.P., Baase, W.A., Zhang, X.-J., Feher, V., Matthews, B.W. | 1.8 | 1.8 | false | X-RAY DIFFRACTION | true | 3 |
22aj | mmcif/2a/22aj.cif.gz | 339,644 | d0fa47b4edd52084ea05743dd8cada2c5ca80f3e | https://www.rcsb.org/structure/22AJ | https://files.rcsb.org/download/22aj.cif.gz | STRUCTURAL PROTEIN | 01/05/26 | 2026-01-05 | GDP human alpha1A/beta3 S239C microtubule | Homo sapiens | Ti, S.C., Luo, J.Y., Khoo, C.J. | 2.48 | 2.48 | false | ELECTRON MICROSCOPY | true | 9 |
22ak | mmcif/2a/22ak.cif.gz | 338,818 | 87603bac406da977c6d822f75d910b4fa99479a4 | https://www.rcsb.org/structure/22AK | https://files.rcsb.org/download/22ak.cif.gz | STRUCTURAL PROTEIN | 01/05/26 | 2026-01-05 | GDP human alpha1A/beta3 microtubule | Homo sapiens | Ti, S.C., Luo, J.Y., Khoo, C.J. | 2.41 | 2.41 | false | ELECTRON MICROSCOPY | true | 3 |
22ao | mmcif/2a/22ao.cif.gz | 217,569 | bd9270859d44152579d9ef3d1a133245510c87d5 | https://www.rcsb.org/structure/22AO | https://files.rcsb.org/download/22ao.cif.gz | TRANSFERASE | 01/05/26 | 2026-01-05 | Crystal structure of Bacillus cereus GmaR in the apo form | Bacillus cereus | Oh, H.B., Lee, S.J., Yoon, S.I. | 2.8 | 2.8 | false | X-RAY DIFFRACTION | true | 8 |
22ap | mmcif/2a/22ap.cif.gz | 153,822 | a493b824512ebcd6a75941baaea036991da8f22d | https://www.rcsb.org/structure/22AP | https://files.rcsb.org/download/22ap.cif.gz | TRANSFERASE | 01/05/26 | 2026-01-05 | Crystal structure of Bacillus cereus GmaR in complex with UDP-GlcNAc and Mg2+ | Bacillus cereus | Oh, H.B., Lee, S.J., Yoon, S.I. | 2.42 | 2.42 | false | X-RAY DIFFRACTION | true | 8 |
22dr | mmcif/2d/22dr.cif.gz | 137,150 | 8c6910253f4cc95bd00eff85d801fe4e366f4971 | https://www.rcsb.org/structure/22DR | https://files.rcsb.org/download/22dr.cif.gz | VIRAL PROTEIN | 01/07/26 | 2026-01-07 | Crystal structure of SARS-CoV-2 3CL protease in complex with compound 7c | Severe acute respiratory syndrome coronavirus 2 | Taoda, Y., Hirai, K., Sugiyama, S., Tanaka, S., Tomida, Y., Akiyama, T., Nakahara, K., Unoh, Y., Tachibana, Y., Uehara, S., Sako, Y., Yamamoto, S., Kawashima, S., Nobori, H., Kato, T. | 1.9 | 1.9 | false | X-RAY DIFFRACTION | true | 8 |
22ey | mmcif/2e/22ey.cif.gz | 251,261 | fed6871ceffc3a45a5ab758ae2ec0c2078bb9bff | https://www.rcsb.org/structure/22EY | https://files.rcsb.org/download/22ey.cif.gz | OXIDOREDUCTASE | 01/08/26 | 2026-01-08 | Crystal structure of thioredoxin gluthathione reductase from Schistosoma japonicum SjTGR-WT | Schistosoma japonicum | Wang, S.Q., Huang, S.Q., Lin, T.W. | 2.557 | 2.557 | false | X-RAY DIFFRACTION | true | 8 |
22fc | mmcif/2f/22fc.cif.gz | 252,952 | fb6f4dec415f01e172fd4986c4cee91fd1ffdd1a | https://www.rcsb.org/structure/22FC | https://files.rcsb.org/download/22fc.cif.gz | OXIDOREDUCTASE | 01/08/26 | 2026-01-08 | Crystal structure of thioredoxin gluthathione reductase from Schistosoma japonicum with the U597C mutation SjTGR-U597C | Schistosoma japonicum | Wang, S.Q., Huang, S.Q., Lin, T.W. | 2.16 | 2.16 | false | X-RAY DIFFRACTION | true | 1 |
22fd | mmcif/2f/22fd.cif.gz | 267,629 | e8476dd0e850225717caa3227e43360efc3d8477 | https://www.rcsb.org/structure/22FD | https://files.rcsb.org/download/22fd.cif.gz | OXIDOREDUCTASE | 01/08/26 | 2026-01-08 | Crystal structure of thioredoxin gluthathione reductase from Schistosoma japonicum with the U597C mutation in complex with NADPH | Schistosoma japonicum | Wang, S.Q., Huang, S.Q., Lin, T.W. | 1.9 | 1.9 | false | X-RAY DIFFRACTION | true | 8 |
22fe | mmcif/2f/22fe.cif.gz | 256,461 | 6d545be6f8ff1e7280afa433cb95551d1b888a50 | https://www.rcsb.org/structure/22FE | https://files.rcsb.org/download/22fe.cif.gz | OXIDOREDUCTASE | 01/08/26 | 2026-01-08 | Crystal structure of thioredoxin gluthathione reductase from Schistosoma japonicum with the U597C mutation in complex with GSH | Schistosoma japonicum | Wang, S.Q., Huang, S.Q., Lin, T.W. | 2.12 | 2.12 | false | X-RAY DIFFRACTION | true | 9 |
22ff | mmcif/2f/22ff.cif.gz | 261,807 | 20cdcd3eb9960e59cc204f642fcd999fec22f6e6 | https://www.rcsb.org/structure/22FF | https://files.rcsb.org/download/22ff.cif.gz | OXIDOREDUCTASE | 01/08/26 | 2026-01-08 | Crystal structure of thioredoxin gluthathione reductase from Schistosoma japonicum with the U597C mutation in complex with auranofin | Schistosoma japonicum | Wang, S.Q., Huang, S.Q., Lin, T.W. | 1.84 | 1.84 | false | X-RAY DIFFRACTION | true | 1 |
22fg | mmcif/2f/22fg.cif.gz | 41,946 | a2d79e59a724a009275472c62407fbae7ed719dc | https://www.rcsb.org/structure/22FG | https://files.rcsb.org/download/22fg.cif.gz | OXIDOREDUCTASE | 01/08/26 | 2026-01-08 | Crystal structure of the oxidized state of TRP14 from Schistosoma japonicum | Schistosoma japonicum | Wang, S.Q., Huang, S.Q., Lin, T.W. | 1.692 | 1.692 | false | X-RAY DIFFRACTION | true | 4 |
22fh | mmcif/2f/22fh.cif.gz | 65,379 | 9dd652050554d1d62a885057404f1a5021da2935 | https://www.rcsb.org/structure/22FH | https://files.rcsb.org/download/22fh.cif.gz | OXIDOREDUCTASE | 01/08/26 | 2026-01-08 | Crystal structure of the reduced state of TRP14 from Schistosoma japonicum | Schistosoma japonicum | Wang, S.Q., Huang, S.Q., Lin, T.W. | 1.771 | 1.771 | false | X-RAY DIFFRACTION | true | 7 |
22fk | mmcif/2f/22fk.cif.gz | 123,217 | d102c3a45ababa4a35eef054f35e507ecf7b909a | https://www.rcsb.org/structure/22FK | https://files.rcsb.org/download/22fk.cif.gz | OXIDOREDUCTASE | 01/08/26 | 2026-01-08 | Crystal structure of the reduced state of Trx1 from Schistosoma japonicum | Schistosoma japonicum | Wang, S.Q., Huang, S.Q., Lin, T.W. | 1.898 | 1.898 | false | X-RAY DIFFRACTION | true | 9 |
22fn | mmcif/2f/22fn.cif.gz | 300,092 | b23c24491415d122a415c5c38a24bfef93b52b78 | https://www.rcsb.org/structure/22FN | https://files.rcsb.org/download/22fn.cif.gz | DNA BINDING PROTEIN | 01/08/26 | 2026-01-08 | Cryo-EM structure of AsCas12a in complex with crDNA and RNA target | Acidaminococcus sp. BV3L6; SYNTHETIC CONSTRUCT | Lam, W.H., Wu, X., Hsing, I.M., Zhai, Y. | 3.17 | 3.17 | false | ELECTRON MICROSCOPY | true | 8 |
22fx | mmcif/2f/22fx.cif.gz | 175,491 | 8cceed1178918b7076455ca80e1e1f4c542391a3 | https://www.rcsb.org/structure/22FX | https://files.rcsb.org/download/22fx.cif.gz | METAL BINDING PROTEIN | 01/09/26 | 2026-01-09 | Cryo-EM structure of mouse heavy-chain apoferritin at 1.24 A on CRYO ARM 200 II | Mus musculus | Danev, R., Yanagisawa, H., Yamashita, K., Eisenstein, F., Kikkawa, M. | 1.24 | 1.24 | false | ELECTRON MICROSCOPY | true | 7 |
22ga | mmcif/2g/22ga.cif.gz | 305,268 | 3982318be07c4e7de65a6329a1bbea28db1b1761 | https://www.rcsb.org/structure/22GA | https://files.rcsb.org/download/22ga.cif.gz | TRANSFERASE | 01/09/26 | 2026-01-09 | Crystal structure of sorghum sulfotransferase LGS1 reveals sulfation-assisted BC-ring formation in strigolactone biosynthesis | Sorghum bicolor | Asano, H., Teramoto, T., Kakuta, Y. | 1.94 | 1.94 | false | X-RAY DIFFRACTION | true | 1 |
22gi | mmcif/2g/22gi.cif.gz | 333,387 | 14ee42e41a65ee271220a17a55e57ad8a1c37326 | https://www.rcsb.org/structure/22GI | https://files.rcsb.org/download/22gi.cif.gz | VIRAL PROTEIN/IMMUNE SYSTEM | 01/09/26 | 2026-01-09 | 3D1 Fab in complex with pepAVVNQN | Homo sapiens; SYNTHETIC CONSTRUCT | Lei, Y. | 2.64 | 2.64 | false | X-RAY DIFFRACTION | true | 7 |
22gs | mmcif/2g/22gs.cif.gz | 101,694 | 2a579faf279bbd1ce979e8d35a073f1f5b14fe83 | https://www.rcsb.org/structure/22GS | https://files.rcsb.org/download/22gs.cif.gz | TRANSFERASE | 03/10/98 | 1998-03-10 | HUMAN GLUTATHIONE S-TRANSFERASE P1-1 Y49F MUTANT | Homo sapiens | Oakley, A.J. | 1.9 | 1.9 | false | X-RAY DIFFRACTION | true | 8 |
22gu | mmcif/2g/22gu.cif.gz | 141,489 | ff2f8ce9b21481cd3df982b76b052803908021f3 | https://www.rcsb.org/structure/22GU | https://files.rcsb.org/download/22gu.cif.gz | METAL BINDING PROTEIN | 01/10/26 | 2026-01-10 | Crystal structure of the CJ1041C protein from Campylobacter jejuni in complex with Ca2+ in space group P212121 | Campylobacter jejuni | Park, M.A., Yoon, S.I. | 1.5 | 1.5 | false | X-RAY DIFFRACTION | true | 2 |
22gv | mmcif/2g/22gv.cif.gz | 255,722 | 3d91d7bfde1e18e350292386b3baed2941768259 | https://www.rcsb.org/structure/22GV | https://files.rcsb.org/download/22gv.cif.gz | METAL BINDING PROTEIN | 01/10/26 | 2026-01-10 | Crystal structure of the CJ1041C protein from Campylobacter jejuni in complex with Ca2+ in space group P1 | Campylobacter jejuni | Park, M.A., Yoon, S.I. | 2 | 2 | false | X-RAY DIFFRACTION | true | 8 |
22gx | mmcif/2g/22gx.cif.gz | 248,267 | 463a798212b0065f66515074f8703db503923367 | https://www.rcsb.org/structure/22GX | https://files.rcsb.org/download/22gx.cif.gz | METAL BINDING PROTEIN | 01/10/26 | 2026-01-10 | Crystal structure of the CJ1041C protein from Campylobacter jejuni in the apo form in space group C2 | Campylobacter jejuni | Park, M.A., Yoon, S.I. | 1.95 | 1.95 | false | X-RAY DIFFRACTION | true | 1 |
22ib | mmcif/2i/22ib.cif.gz | 656,522 | bfd7bd2c887cd4f6296b4f9b4520c05185dd1ad3 | https://www.rcsb.org/structure/22IB | https://files.rcsb.org/download/22ib.cif.gz | STRUCTURAL PROTEIN | 01/12/26 | 2026-01-12 | CryoEM structure of Human LonP1-TFAM complex | Homo sapiens | Li, M., Liu, H., Zhang, K., Li, S. | 3.22 | 3.22 | false | ELECTRON MICROSCOPY | true | 7 |
22it | mmcif/2i/22it.cif.gz | 129,966 | 63be641eb0d2cc209e3dad3e9d457f53ef16483f | https://www.rcsb.org/structure/22IT | https://files.rcsb.org/download/22it.cif.gz | TRANSFERASE | 01/13/26 | 2026-01-13 | Crystal structure of LbSCT1 in complex with Spermidine | Lycium barbarum | Wang, G.Q., Hu, D. | 2.12008 | 2.12008 | false | X-RAY DIFFRACTION | true | 3 |
22ix | mmcif/2i/22ix.cif.gz | 824,586 | 9c0552eccc0cf18afde61600b0ab6948f58bd62c | https://www.rcsb.org/structure/22IX | https://files.rcsb.org/download/22ix.cif.gz | OXIDOREDUCTASE | 01/13/26 | 2026-01-13 | cryo-ET subtomogram-averaged structure of mouse heavy-chain apoferritin resolved at 2.71 Angstroms | Mus musculus | Mazmanian, K., Wang, C.H., Hsu, S.T., Wu, K.P., Chang, Y.C. | 2.71 | 2.71 | false | ELECTRON MICROSCOPY | true | 4 |
22iy | mmcif/2i/22iy.cif.gz | 80,502 | 5129af62f1e66f4d3d8e3ad3acaf18524d0d5e1a | https://www.rcsb.org/structure/22IY | https://files.rcsb.org/download/22iy.cif.gz | TRANSPORT PROTEIN | 01/13/26 | 2026-01-13 | Crystal structure of the unliganded microalgal AstaP-pink1 carotenoprotein | Scenedesmus sp. Oki-4N | Sluchanko, N.N., Slonimskiy, Y.B., Varfolomeeva, L.A., Popov, V.O., Boyko, K.M. | 1.65 | 1.65 | false | X-RAY DIFFRACTION | true | 6 |
22jy | mmcif/2j/22jy.cif.gz | 57,292 | cbecb7f6e263e02c2362334520f74e6c241abf47 | https://www.rcsb.org/structure/22JY | https://files.rcsb.org/download/22jy.cif.gz | PROTEIN FIBRIL | 01/14/26 | 2026-01-14 | P301L/S320F human tau filaments from mouse brain | Homo sapiens | Yanagisawa, H., Kano, M., Kimura, T., Kikkawa, M., Tomita, T. | 2.2 | 2.2 | false | ELECTRON MICROSCOPY | true | 8 |
22mj | mmcif/2m/22mj.cif.gz | 157,970 | ebb9854659d6e91b6924bd9e0698559598661d15 | https://www.rcsb.org/structure/22MJ | https://files.rcsb.org/download/22mj.cif.gz | TRANSFERASE | 01/16/26 | 2026-01-16 | Crystal structure of human INPP5K with an allosteric inhibitor reveals the structural basis for species specific potency | Homo sapiens | Nomura, A., Yamaguchi, K., Adachi, T. | 1.9 | 1.9 | false | X-RAY DIFFRACTION | true | 9 |
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