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

e3pcnA1 - ECOD Domain | ECOD

ECOD/Domains/e3pcnA1

e3pcnA1

UID: 000040664

PDB

Range: A:4-200
PDB: 3PCN chain A(all domains)
UniProt: P00436 (all domains)
Gene: pcaG

Molecule: PROTOCATECHUATE 3,4-DIOXYGENASE

3D Structure

Loading viewer...

Related Domains

Browse other domains in Dioxygenase_C →

Classification

AArchitecturebeta sandwiches(a.3)

XX-groupImmunoglobulin-like beta-sandwich(11)

HH-groupImmunoglobulin-related(11.1)

TT-groupPrealbumin-like(11.1.4)

FFamilyDioxygenase_C(11.1.4.4)

Ligands

in contact, ≤ 4 Å

2-(3,4-Dihydroxyphenyl)Acetic AcidDHY
drugDrugBank DB01702

Shown in the structure viewer. Drug annotations from DrugDomain.

Pfam Families

PF00775Dioxygenase_C

Dioxygenase

ClanCL0287Transthyretin

External Links

ECOD PDB View: 3PCN RCSB PDB: 3PCN PDBe: 3PCN UniProt: P00436

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure