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

Q9P7X0_F1_nD1 - ECOD Domain | ECOD

ECOD/Domains/Q9P7X0_F1_nD1

Q9P7X0_F1_nD1

UID: 003739659

AlphaFold

Range: 36-159
AlphaFold: AF-Q9P7X0
UniProt: Q9P7X0 (all domains)
Gene: sdh4

Protein: Succinate dehydrogenase [ubiquinone] cytochrome b small subunit, mitochondrial (CybS) (Succinate-ubiquinone reductase membrane anchor subunit)

3D Structure

Loading viewer...

Related Domains

Browse other domains in CybS →

Classification

AArchitecturealpha bundles(a.7)

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

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

TT-groupFumarate reductase respiratory complex transmembrane subunits(5069.1.3)

FFamilyCybS(5069.1.3.4)

Pfam Families

CybS, succinate dehydrogenase cytochrome B small subunit

ClanCL0335FumRed-TM

External Links

AlphaFold DB: Q9P7X0 UniProt: Q9P7X0

Representative

This domain is classified based on similarity to:

Downloads

Full AlphaFold Structure (PDB)Full AlphaFold Structure (mmCIF)

Domain coordinates: residues 36-159