id: Pfam:PF01867
pfam_id: PF01867
name: CRISPR associated protein Cas1
short_name: Cas_Cas1
seed_status: EX_DUF
characterization_status: UNSCORED
curation_status: SEEDED
source_url: https://www.ebi.ac.uk/interpro/api/entry/pfam/PF01867
counters:
  proteins: 8983
  matches: 9654
  proteomes: 6519
  taxa: 11546
  structures: 74
  alphafold_models: 6264
  domain_architectures: 20
provenance:
  snapshot_id: interpro-pfam-duf-2026-10-10
  path: data/worklists/interpro-pfam-duf-2026-10-10.json
  sha256: 17fb625876c9326ed284263a47bcd84e0d7844a31c040dc06cd2260c36f1c383
  generated_at: '2026-10-10T07:44:21.614711Z'
  source_url: https://www.ebi.ac.uk/interpro/api/entry/pfam/
interpro_id: InterPro:IPR002729
description: Clustered regularly interspaced short palindromic repeats (CRISPRs) are a family of DNA direct
  repeats found in many prokaryotic genomes. This family of proteins corresponds to Cas1, a CRISPR-associated
  protein. Cas1 may be involved in linking DNA segments to CRISPR [[cite:PUB00043290]].