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

e4upeB2 - ECOD Domain | ECOD

ECOD/Domains/e4upeB2

e4upeB2

UID: 001405680

PDB

Range: B:3-176
PDB: 4UPE chain B(all domains)
UniProt: P18187 (all domains)
Gene: hydA

Molecule: NIFE-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
Calcium ionCA
metalwithin 5 Å only

+ 1 additive (Glycerin)

GlycerinGOL

Pfam Families

PF01058Oxidored_q6

NADH ubiquinone oxidoreductase, 20 Kd subunit

ClanCL0304CheY

External Links

ECOD PDB View: 4UPE RCSB PDB: 4UPE PDBe: 4UPE UniProt: P18187

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure

DrugBank DB09462

Shown in the structure viewer. Drug annotations from DrugDomain.