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

Q8W9F5_nD1 - ECOD Domain | ECOD

ECOD/Domains/Q8W9F5_nD1

Q8W9F5_nD1

UID: 004483849

AlphaFold

Range: 1-260
AlphaFold: AF-Q8W9F5
UniProt: Q8W9F5 (all domains)
Gene: MT-CYB

Protein: Cytochrome b (Complex III subunit 3) (Complex III subunit III) (Cytochrome b-c1 complex subunit 3) (Ubiquinol-cytochrome-c reductase complex cytochrome b subunit)

3D Structure

Loading viewer...

Related Domains

Browse other domains in Cytochrome_B, Cytochrom_B_N_2 →

Classification

AArchitecturealpha bundles(a.7)

XX-groupTransmembrane heme-binding four-helical bundle(5069)

HH-groupTransmembrane heme-binding four-helical bundle(5069.1)

TT-groupTransmembrane di-heme cytochromes(5069.1.1)

FFamilyCytochrome_B, Cytochrom_B_N_2(5069.1.1.54)

Pfam Families

PF00033Cytochrome_B

Cytochrome b/b6/petB

ClanCL03282heme_cytochrom

PF13631Cytochrom_B_N_2

Cytochrome b(N-terminal)/b6/petB

ClanCL03282heme_cytochrom

External Links

AlphaFold DB: Q8W9F5 UniProt: Q8W9F5

Representative

This domain is classified based on similarity to:

Downloads

Download Domain PDB Download Domain FASTA Full AlphaFold Structure (PDB)Full AlphaFold Structure (mmCIF)

Domain coordinates: residues 1-260