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

Q99643_F1_nD1 - ECOD Domain | ECOD

ECOD/Domains/Q99643_F1_nD1

Q99643_F1_nD1

UID: 003556452

AlphaFold

Range: 56-169
AlphaFold: AF-Q99643
UniProt: Q99643 (all domains)
Gene: SDHC

Protein: Succinate dehydrogenase cytochrome b560 subunit, mitochondrial (Integral membrane protein CII-3) (Malate dehydrogenase [quinone] cytochrome b560 subunit) (QPs-1) (QPs1) (Succinate dehydrogenase complex subunit C) (Succinate-ubiquinone oxidoreductase cytochrome B large subunit) (CYBL)

3D Structure

Loading viewer...

Related Domains

Browse other domains in Sdh_cyt →

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)

FFamilySdh_cyt(5069.1.3.1)

Ligands

in contact, ≤ 4 Å

2-Hexyloxy-6-Hydroxymethyl-Tetrahydro-Pyran-3,4,5-Triol
drugDrugBank DB04141within 5 Å only

Shown in the structure viewer. Drug annotations from DrugDomain.

Pfam Families

PF01127Sdh_cyt

Succinate dehydrogenase/Fumarate reductase transmembrane subunit

ClanCL0335FumRed-TM

External Links

AlphaFold DB: Q99643 UniProt: Q99643

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 56-169