id: Pfam:PF01638
pfam_id: PF01638
name: HxlR-like helix-turn-helix
short_name: HxlR
seed_status: EX_DUF
characterization_status: UNSCORED
curation_status: SEEDED
source_url: https://www.ebi.ac.uk/interpro/api/entry/pfam/PF01638
counters:
  proteins: 69591
  matches: 70398
  proteomes: 14385
  taxa: 20061
  structures: 18
  alphafold_models: 41510
  domain_architectures: 74
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:IPR002577
description: HxlR, a member of this family, is a DNA-binding protein that acts as a positive regulator
  of the formaldehyde-inducible hxlAB operon in Bacillus subtilis.