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

e9r51A3 - ECOD Domain | ECOD

ECOD/Domains/e9r51A3

e9r51A3

UID: 004889917

PDB

Range: A:95-184,A:187-199,A:202-238,A:271-323,A:326-327
PDB: 9R51 chain A(all domains)

Molecule: F420-reducing [NiFe]-hydrogenase from Methanothermococcus thermolithotrophicus subunit alpha

3D Structure

Loading viewer...

Related Domains

Browse other domains in NiFeSe_Hases →

Classification

AArchitecturealpha complex topology(a.10)

XX-groupalpha-helical domain in nickel-iron hydrogenase, large subunit(4025)

HH-groupalpha-helical domain in nickel-iron hydrogenase, large subunit(4025.1)

TT-groupalpha-helical domain in nickel-iron hydrogenase, large subunit(4025.1.1)

FFamilyNiFeSe_Hases(4025.1.1.2)

Ligands

in contact, ≤ 4 Å

FE (III) IONFE
metal
Sodium ionNA
metal
Iron/sulfur clusterSF4

+ 2 additives (Glycerol, Sulfate ion)

GlycerolGOL
Sulfate ion

Pfam Families

PF00374NiFeSe_Hases

Nickel-dependent hydrogenase

External Links

ECOD PDB View: 9R51 RCSB PDB: 9R51 PDBe: 9R51

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure

Shown in the structure viewer.