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

e3eq1B1 - ECOD Domain | ECOD

ECOD/Domains/e3eq1B1

e3eq1B1

UID: 001391453

PDB

Range: B:239-356
PDB: 3EQ1 chain B(all domains)
UniProt: P08397 (all domains)
Gene: HMBS

Molecule: Porphobilinogen deaminase

3D Structure

Loading viewer...

Related Domains

Browse other domains in Porphobil_deamC →

Classification

AArchitecturea+b two layers(a.11)

XX-groupdsRBD-like(330)

HH-groupPorphobilinogen deaminase (hydroxymethylbilane synthase), C-terminal domain(330.4)

TT-groupPorphobilinogen deaminase (hydroxymethylbilane synthase), C-terminal domain(330.4.1)

FFamilyPorphobil_deamC(330.4.1.1)

Ligands

in contact, ≤ 4 Å

Dipyrromethane CofactorDPM
drugDrugBank DB04517

+ 1 additive (Sulfate ion)

Sulfate ionSO4

Shown in the structure viewer. Drug annotations from DrugDomain.

Pfam Families

PF03900Porphobil_deamC

Porphobilinogen deaminase, C-terminal domain

External Links

ECOD PDB View: 3EQ1 RCSB PDB: 3EQ1 PDBe: 3EQ1 UniProt: P08397

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure