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

e1g21A3 - ECOD Domain | ECOD

ECOD/Domains/e1g21A3

e1g21A3

UID: 002050148

PDB

Range: A:5-210
PDB: 1G21 chain A(all domains)
UniProt: P07328 (all domains)
Gene: nifD

Molecule: Nitrogenase molybdenum-iron protein alpha chain (EC 1.18.6.1) (Dinitrogenase) (Nitrogenase component I)

3D Structure

Loading viewer...

Related Domains

Browse other domains in Oxidored_nitro →

Classification

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

XX-groupFlavodoxin-like(2007)

HH-groupClass I glutamine amidotransferase-like(2007.1)

TT-groupChelatase-like(2007.1.14)

FFamilyOxidored_nitro(2007.1.14.1)

Pfam Families

PF00148Oxidored_nitro

Nitrogenase component 1 type Oxidoreductase

ClanCL0043Chelatase

External Links

ECOD PDB View: 1G21 RCSB PDB: 1G21 PDBe: 1G21 UniProt: P07328

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure