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

e3or2A8 - ECOD Domain | ECOD

ECOD/Domains/e3or2A8

e3or2A8

UID: 001180677

PDB

Range: A:169-239,A:322-437
PDB: 3OR2 chain A(all domains)
UniProt: E2QR97 (all domains)

Molecule: Sulfite reductase alpha

3D Structure

Loading viewer...

Related Domains

Browse other domains in NIR_SIR →

Classification

AArchitecturea+b three layers(a.12)

XX-groupSulfite reductase hemoprotein (SiRHP), domains 2 and 4(296)

HH-groupSulfite reductase hemoprotein (SiRHP), domains 2 and 4(296.1)

TT-groupSulfite reductase hemoprotein (SiRHP), domains 2 and 4(296.1.1)

FFamilyNIR_SIR(296.1.1.1)

Pfam Families

PF01077NIR_SIR

Nitrite and sulphite reductase 4Fe-4S domain

External Links

ECOD PDB View: 3OR2 RCSB PDB: 3OR2 PDBe: 3OR2 UniProt: E2QR97

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure