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

e3zeaA4 - ECOD Domain | ECOD

ECOD/Domains/e3zeaA4

e3zeaA4

UID: 001194392

PDB

Range: A:5-204
PDB: 3ZEA chain A(all domains)
UniProt: Q72AS4 (all domains)
Gene: hysB

Molecule: PERIPLASMIC [NIFESE] HYDROGENASE, SMALL SUBUNIT

3D Structure

Loading viewer...

Related Domains

Browse other domains in Oxidored_q6 →

Classification

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

XX-groupFlavodoxin-like(2007)

HH-groupClass I glutamine amidotransferase-like(2007.1)

TT-groupCheY-like(2007.1.3)

FFamilyOxidored_q6(2007.1.3.3)

Ligands

in contact, ≤ 4 Å

Iron/sulfur clusterSF4

Shown in the structure viewer. Drug annotations from DrugDomain.

Pfam Families

PF01058Oxidored_q6

NADH ubiquinone oxidoreductase, 20 Kd subunit

ClanCL0304CheY

External Links

ECOD PDB View: 3ZEA RCSB PDB: 3ZEA PDBe: 3ZEA UniProt: Q72AS4

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure