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
Privacy

Resources

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

© 2014-2026 Grishin Lab / HHMI / UTSW

e1aoqB2 - ECOD Domain | ECOD

ECOD/Domains/e1aoqB2

e1aoqB2

UID: 000051652

PDB

Range: B:9-133
PDB: 1AOQ chain B(all domains)
UniProt: P72181 (all domains)
Gene: nirS

Molecule: NITRITE REDUCTASE

3D Structure

Loading viewer...

Related Domains

Browse other domains in Cytochrome_CBB3 →

Classification

AArchitecturealpha arrays(a.6)

XX-groupCytochrome c-like(107)

HH-groupCytochrome c(107.1)

TT-groupCytochrome c(107.1.1)

FFamilyCytochrome_CBB3(107.1.1.9)

Ligands

in contact, ≤ 4 Å

Heme DDHE
drugDrugBank DB03469
FerrohemeHEM
drugDrugBank DB18267
Nitric oxide

Pfam Families

PF13442Cytochrome_CBB3

Cytochrome C oxidase, cbb3-type, subunit III

ClanCL0318Cytochrome-c

External Links

ECOD PDB View: 1AOQ RCSB PDB: 1AOQ PDBe: 1AOQ UniProt: P72181

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure

within 5 Å only

Shown in the structure viewer. Drug annotations from DrugDomain.