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

e3i9v33 - ECOD Domain | ECOD

ECOD/Domains/e3i9v33

e3i9v33

UID: 001705725

PDB

Range: 3:162-246
PDB: 3I9V chain 3(all domains)
UniProt: Q56223 (all domains)
Gene: nqo3

Molecule: NADH-quinone oxidoreductase subunit 3 (EC 7.1.1.-) (NADH dehydrogenase I chain 3) (NDH-1 subunit 3)

3D Structure

Loading viewer...

Related Domains

Browse other domains in Nqo3_Fer4 →

Classification

AArchitecturea+b two layers(a.11)

XX-group4Fe-4S ferredoxin(205)

HH-group4Fe-4S ferredoxin(205.1)

TT-group4Fe-4S ferredoxin(205.1.1)

FFamilyNqo3_Fer4(205.1.1.23)

Pfam Families

PF22117Fer4_Nqo3

NADH-quinone oxidoreductase subunit 3, ferredoxin-like domain

ClanCL03444Fe-4S

External Links

ECOD PDB View: 3I9V RCSB PDB: 3I9V PDBe: 3I9V UniProt: Q56223

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure