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

e3h3xQ4 - ECOD Domain | ECOD

ECOD/Domains/e3h3xQ4

e3h3xQ4

UID: 000135692

PDB

Range: Q:50-92,Q:459-507
PDB: 3H3X chain Q(all domains)
UniProt: P18188 (all domains)
Gene: hydB

Molecule: Periplasmic [NiFe] hydrogenase large subunit (EC 1.12.2.1) (NiFe hydrogenlyase large chain)

3D Structure

Loading viewer...

Related Domains

Browse other domains in NiFeSe_Hases →

Classification

AArchitecturea+b two layers(a.11)

XX-groupFAD-linked reductases, C-terminal domain-like(244)

HH-groupNi-Fe binding domain in nickel-iron hydrogenase large subunit(244.4)

TT-groupNi-Fe binding domain in nickel-iron hydrogenase large subunit(244.4.1)

FFamilyNiFeSe_Hases(244.4.1.2)

Pfam Families

PF00374NiFeSe_Hases

Nickel-dependent hydrogenase

External Links

ECOD PDB View: 3H3X RCSB PDB: 3H3X PDBe: 3H3X UniProt: P18188

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure