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

A3CWW3_nD1 - ECOD Domain | ECOD

ECOD/Domains/A3CWW3_nD1

A3CWW3_nD1

UID: 004536450

AlphaFold

Range: 1-265
AlphaFold: AF-A3CWW3
UniProt: A3CWW3 (all domains)
Gene: nifH

Protein: Nitrogenase iron protein (EC 1.18.6.1) (Nitrogenase Fe protein) (Nitrogenase component II) (Nitrogenase reductase)

3D Structure

Loading viewer...

Related Domains

Browse other domains in Fer4_NifH, AAA_31 →

Classification

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

XX-groupP-loop domains-like(2004)

HH-groupP-loop domains-related(2004.1)

TT-groupP-loop containing nucleoside triphosphate hydrolases(2004.1.1)

FFamilyFer4_NifH, AAA_31(2004.1.1.419)

Pfam Families

PF00142Fer4_NifH

4Fe-4S iron sulfur cluster binding proteins, NifH/frxC family

ClanCL0023P-loop_NTPase

AAA domain

ClanCL0023P-loop_NTPase

External Links

AlphaFold DB: A3CWW3 UniProt: A3CWW3

Representative

This domain is classified based on similarity to:

Downloads

Full AlphaFold Structure (PDB)Full AlphaFold Structure (mmCIF)

Domain coordinates: residues 1-265