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

e4ko3S1 - ECOD Domain | ECOD

ECOD/Domains/e4ko3S1

e4ko3S1

UID: 001066138

PDB

Range: S:5-200
PDB: 4KO3 chain S(all domains)
UniProt: P13063 (all domains)

Molecule: Periplasmic [NiFeSe] hydrogenase small subunit (EC 1.12.99.6) (NiFeSe hydrogenlyase small chain)

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)

Pfam Families

PF01058Oxidored_q6

NADH ubiquinone oxidoreductase, 20 Kd subunit

ClanCL0304CheY

External Links

ECOD PDB View: 4KO3 RCSB PDB: 4KO3 PDBe: 4KO3 UniProt: P13063

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure