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