pmhc_data / proteome /SOURCES.md
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SOURCES.md for every tracked directory, and drop the column nobody could define
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# `proteome/` β€” sources
**Provenance lives in [`README.md`](README.md)** beside this file, and is not repeated here: it
carries every proteome's organism, UniProt proteome ID, taxid, sequence count and gzipped size, plus
the exact fetch form (UniProt REST `?query=(proteome:<UPID>)&format=fasta`, or the
reference_proteomes FTP). All 19 files are **experimental** sequence, unmodified.
Summary: `human.fasta.gz` (UP000005640, 147,506 seqs) and `mouse.fasta.gz` (UP000000589, 54,857) are
the **full** proteomes including isoforms and TrEMBL; the other 16 are canonical **reference**
proteomes β€” 5 bacterial and 11 viral, 16,467 sequences in total β€” for molecular-mimicry scans and
peptide-flank extraction.
```zsh
mhcmatch bootstrap --proteome human,mouse,ecoli_K12_UP000000625
```
Two traps the README records and that are easy to reintroduce:
- **UP000007639 is EBV strain AG876, not HHV-7**, despite the adjacency of the IDs. The genuine
HHV-7 reference is UP000098510 (strain RK, 84 proteins).
- Two EBV strains are present on purpose (B95-8 and AG876); they are not duplicates.
**Size is the operational fact.** The human proteome has 68,389,335 nine-mer windows β€” every
position of every protein, because a source lookup is a question about *where* β€” and one seqtree
index over them costs ~12.6 GB. Ask for the lengths you need
(`mhcmatch.proteome.Proteome.find_sources` builds one index per distinct query length).