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

e3nwbA1 - ECOD Domain | ECOD

ECOD/Domains/e3nwbA1

e3nwbA1

UID: 000181957

PDB

Range: A:3-215
PDB: 3NWB chain A(all domains)
UniProt: P22734 (all domains)
Gene: Comt

Molecule: Catechol O-methyltransferase

3D Structure

Loading viewer...

Related Domains

Browse other domains in Methyltransf_3 →

Classification

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

XX-groupRossmann-like(2003)

HH-groupRossmann-related(2003.1)

TT-groupS-adenosyl-L-methionine-dependent methyltransferases(2003.1.5)

FFamilyMethyltransf_3(2003.1.5.14)

Ligands

in contact, ≤ 4 Å

N-cyclohexyltaurineNHE
drugDrugBank DB03309
N-[(E)-3-[(2R,3R,4S,5R)-3-fluoro-4-hydroxy-5-[6-(methylamino)purin-9-yl]oxolan-2-yl]prop-2-enyl]-5-(4-fluorophenyl)-2,3-dihydroxy-benzamide659
Chloride ion

Pfam Families

PF01596Methyltransf_3

O-methyltransferase

ClanCL0063NADP_Rossmann

External Links

ECOD PDB View: 3NWB RCSB PDB: 3NWB PDBe: 3NWB UniProt: P22734

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure

Magnesium ionMG

metal

+ 1 additive (Sulfate ion)

Sulfate ionSO4
DrugBank DB14546

Shown in the structure viewer. Drug annotations from DrugDomain.