metadata
viewer: true
license: cc-by-4.0
configs:
- config_name: cullpdb_pc15.0_res0.0-1.0_len40-10000_R0.2_Xray_d2026_01_26_chains281
data_files:
- split: train
path: >-
curated_csv/subsets/cullpdb_pc15.0_res0.0-1.0_len40-10000_R0.2_Xray_d2026_01_26_chains281.csv
task_categories:
- other
tags:
- biology
- protein
- structure
- PDB
- PISCES
- CullPDB
- sequence
- curation
language: en
size_categories:
- n>1M
PISCES-CulledPDB
Curated protein chain tables from PISCES/CullPDB: one row per chain with sequence and metadata.
Dataset: PRMegathon26/PISCES-CulledPDB
Use the subset dropdown in the Hugging Face Data Viewer to switch between the main table and 242 curation subsets.
Summary
| Item | Description |
|---|---|
| Main CSV | curated_csv/cullpdb_combined_chains.csv — full chain table |
| Subsets | curated_csv/subsets/*.csv — 242 files (same columns) |
| Index | curated_csv/cullpdb_list_fasta_index.csv |
Full list of subset paths: curated_csv/dataset_metadata.json (keys data_paths, subset_paths).
Columns (chain CSVs)
| Column | Description |
|---|---|
| pdb_chain | PDB chain ID (e.g. 1ABC_A) |
| pdb | PDB ID (first 4 chars) |
| chain | Chain ID |
| sequence | Amino acid sequence (one-letter) |
| len | Sequence length |
| method | Experimental method (e.g. XRAY, NMR) |
| resolution | Resolution in Å (per structure) |
| rfac | R-factor |
| freerfac | Free R-factor |
| pc | Sequence identity cutoff % used for this subset |
| no_breaks | Whether chain has no breaks (yes/no) |
| R | R-factor cutoff used for this subset |
| source_list | Subset list basename (identifies curation parameters) |
Usage
from huggingface_hub import hf_hub_download
import pandas as pd
path = hf_hub_download(repo_id="PRMegathon26/PISCES-CulledPDB", filename="curated_csv/cullpdb_combined_chains.csv", repo_type="dataset")
df = pd.read_csv(path)
License
cc-by-4.0