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

e1b4uD1 - ECOD Domain | ECOD

ECOD/Domains/e1b4uD1

e1b4uD1

UID: 000106176

PDB

Range: D:2-299
PDB: 1B4U chain D(all domains)
UniProt: P22636 (all domains)
Gene: ligB

Molecule: PROTOCATECHUATE 4,5-DIOXYGENASE

3D Structure

Loading viewer...

Related Domains

Browse other domains in LigB →

Classification

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

XX-groupLigB-like(2012)

HH-groupLigB-like(2012.1)

TT-groupLigB-like(2012.1.1)

FFamilyLigB(2012.1.1.2)

Ligands

in contact, ≤ 4 Å

3,4-Dihydroxybenzoic AcidDHB
drugDrugBank DB03946
FE (III) IONFE
metal

Shown in the structure viewer. Drug annotations from DrugDomain.

Pfam Families

Catalytic LigB subunit of aromatic ring-opening dioxygenase

ClanCL0283LigB

External Links

ECOD PDB View: 1B4U RCSB PDB: 1B4U PDBe: 1B4U UniProt: P22636

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure