{
  "source": "LiteFold/IEDB",
  "source_file": "iedb_export.zip",
  "xml_files": 26785,
  "parse_error_files": 0,
  "assay_rows": 7450811,
  "unique_references_with_assays": 26785,
  "unique_epitopes_with_assays": 2320500,
  "splits": {
    "train": 6705467,
    "test": 745344
  },
  "split_strategy": "deterministic sha256(epitope_id) % 10; bucket 0 is test, buckets 1-9 are train; reference_id/assay_id/file used as fallback",
  "zip_uncompressed_xml_bytes": 26323651365,
  "zip_compressed_xml_bytes": 605578504,
  "assay_category_counts": {
    "TCell": 570391,
    "BCell": 1419468,
    "MhcBinding": 825450,
    "MhcLigandElution": 4635502
  },
  "top_qualitative_measurements": {
    "Positive": 5239946,
    "Negative": 1967175,
    "Positive-Low": 118346,
    "Positive-High": 69648,
    "Positive-Intermediate": 55696
  },
  "top_epitope_chemical_types": {
    "Peptide from protein": 6773619,
    "Peptide, no natural source": 591652,
    "Discontinuous protein residues": 51083,
    "Other Non-Sequence": 14279,
    "Carbohydrate fragment": 5650,
    "Region on multi-chain protein": 5123,
    "Carbohydrate": 3296,
    "Glycolipid": 2739,
    "Lipid": 2081,
    "Spliced peptide from proteins": 427,
    "Other fragment": 310,
    "Neo-epitope": 260,
    "Glycolipid fragment": 156,
    "Fatty acid": 61,
    "Polysaccharide repeating unit": 27,
    "Lipid fragment": 23,
    "Peptidoglycan": 22,
    "Fatty acid fragment": 3
  },
  "top_epitope_structure_types": {
    "FragmentOfANaturalSequenceMolecule": 6773619,
    "SequenceMoleculeNoNaturalSource": 591912,
    "DiscontinuousRegionOnAccessionSequenceMolecule": 51083,
    "AccessionNonSequenceMolecule": 22478,
    "FragmentOfANaturalNonSequenceMolecule": 6142,
    "RegionOnMultiChainMolecule": 5123,
    "SplicedFragmentsOfANaturalSequenceMolecules": 427,
    "DiscontinuousRegionOnAccessionNonSequenceMolecule": 27
  },
  "columns": [
    "xml_file",
    "reference_id",
    "date_last_updated",
    "pubmed_id",
    "article_year",
    "article_title",
    "journal_title",
    "authors",
    "epitope_id",
    "epitope_name",
    "epitope_structure_type",
    "epitope_chemical_type",
    "linear_sequence",
    "linear_sequence_length",
    "discontinuous_residues",
    "starting_position",
    "ending_position",
    "source_organism_id",
    "source_molecule_genbank_id",
    "reference_region",
    "epitope_structure_defines",
    "epitope_evidence_code",
    "assay_category",
    "assay_id",
    "assay_type_id",
    "assay_location_of_data",
    "qualitative_measurement",
    "is_positive",
    "quantitative_measurement",
    "host_organism_id",
    "host_sex",
    "host_age",
    "disease_state",
    "mhc_allele_id",
    "mhc_allele_types_present",
    "cell_type",
    "cell_tissue_type",
    "cell_culture_conditions",
    "antigen_evidence_code",
    "immunogen_evidence_code",
    "assay_comments",
    "split_bucket"
  ],
  "parse_errors": []
}