ECODEvolutionary Classification of Protein Domains

Home Browse Search Download Help

About ECOD

ECOD (Evolutionary Classification of Protein Domains) is a hierarchical classification of protein domains based on evolutionary relationships. It combines automated sequence and structure analysis with manual curation.

Quick Links

Browse Classification
Search
Download Data
Documentation

Resources

Grishin Lab
UT Southwestern
RCSB PDB
AlphaFold DB
ecod.database@gmail.com

© 2014-2026 Grishin Lab / HHMI / UTSW

e3m9s44 - ECOD Domain | ECOD

ECOD/Domains/e3m9s44

e3m9s44

UID: 001172865

PDB

Range: 4:65-107,4:301-373
PDB: 3M9S chain 4(all domains)
UniProt: Q56220 (all domains)
Gene: nqo4

Molecule: NADH-quinone oxidoreductase subunit 4 (EC 7.1.1.-) (NADH dehydrogenase I chain 4) (NDH-1 subunit 4)

3D Structure

Loading viewer...

Related Domains

Browse other domains in Complex1_49kDa →

Classification

AArchitecturea+b two layers(a.11)

XX-groupFAD-linked reductases, C-terminal domain-like(244)

HH-groupNi-Fe binding domain in nickel-iron hydrogenase large subunit(244.4)

TT-groupNi-Fe binding domain in nickel-iron hydrogenase large subunit(244.4.1)

FFamilyComplex1_49kDa(244.4.1.1)

Pfam Families

PF00346Complex1_49kDa

Respiratory-chain NADH dehydrogenase, 49 Kd subunit

External Links

ECOD PDB View: 3M9S RCSB PDB: 3M9S PDBe: 3M9S UniProt: Q56220

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure