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

e3sm4A1 - ECOD Domain | ECOD

ECOD/Domains/e3sm4A1

e3sm4A1

UID: 000424672

PDB

Range: A:2-226
PDB: 3SM4 chain A(all domains)
UniProt: P03697 (all domains)
Gene: exo

Molecule: Exonuclease (EC 3.1.11.3)

3D Structure

Loading viewer...

Related Domains

Browse other domains in YqaJ →

Classification

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

XX-groupRestriction endonuclease-like(2008)

HH-groupRestriction endonuclease-like(2008.1)

TT-groupRestriction endonuclease-like(2008.1.1)

FFamilyYqaJ(2008.1.1.50)

Pfam Families

YqaJ-like viral recombinase domain

ClanCL0236PDDEXK

External Links

ECOD PDB View: 3SM4 RCSB PDB: 3SM4 PDBe: 3SM4 UniProt: P03697

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure