id: Pfam:PF04400
pfam_id: PF04400
name: (Na+)-NQR maturation NqrM
short_name: NqrM
seed_status: EX_DUF
characterization_status: UNSCORED
curation_status: SEEDED
source_url: https://www.ebi.ac.uk/interpro/api/entry/pfam/PF04400
counters:
  proteins: 2095
  matches: 2095
  proteomes: 1952
  taxa: 2760
  structures: 0
  alphafold_models: 1392
  domain_architectures: 3
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:IPR007495
description: The NqrM gene is often found adjacent to the nqr operons that encode (Na+)-NQR subunits.
  It is involved in the maturation of (Na+) translocating NADH:quinone oxidoreductase in proteobacteria.
  The four conserved Cys residues found in NqrM are required for (Na+)- NQR maturation and may serve as
  ligands for a metal ion or metal cluster used to build up the (Na+)-NQR molecule [[cite:PUB00077340]].