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

e3i9v36 - ECOD Domain | ECOD

ECOD/Domains/e3i9v36

e3i9v36

UID: 001710704

PDB

Range: 3:305-379,3:542-685
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 Molybdopterin →

Classification

AArchitecturea/b three-layered sandwiches(a.17)

XX-groupRossmann-like(2003)

HH-groupFormate dehydrogenase/DMSO reductase, domains 2 and 3(2003.2)

TT-groupFormate dehydrogenase/DMSO reductase, domains 2 and 3(2003.2.1)

FFamilyMolybdopterin(2003.2.1.1)

Pfam Families

PF00384Molybdopterin

Molybdopterin oxidoreductase

External Links

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

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure