id: Pfam:PF04818
pfam_id: PF04818
name: CID domain
short_name: CID
seed_status: EX_DUF
characterization_status: UNSCORED
curation_status: SEEDED
source_url: https://www.ebi.ac.uk/interpro/api/entry/pfam/PF04818
counters:
  proteins: 25708
  matches: 25747
  proteomes: 3441
  taxa: 9070
  structures: 42
  alphafold_models: 18538
  domain_architectures: 380
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:IPR006569
description: This domain binds to the phosphorylated C-terminal domain (CTD) of RNA polymerase II [[cite:PUB00051303],[cite:PUB00057474]].
  This domain is known as the CTD-interacting domain (CID).