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

e3qopA1 - ECOD Domain | ECOD

ECOD/Domains/e3qopA1

e3qopA1

UID: 000149153

PDB

Range: A:0-130
PDB: 3QOP chain A(all domains)
UniProt: P0ACJ8 (all domains)
Gene: crp

Molecule: Catabolite gene activator

3D Structure

Loading viewer...

Related Domains

Browse other domains in cNMP_binding →

Classification

AArchitecturebeta sandwiches(a.3)

XX-groupjelly-roll(10)

HH-groupDouble-stranded beta-helix(10.12)

TT-groupDouble-stranded beta-helix(10.12.1)

FFamilycNMP_binding(10.12.1.1)

Ligands

in contact, ≤ 4 Å

Cyclic adenosine monophosphateCMP
drugDrugBank DB02527

Shown in the structure viewer. Drug annotations from DrugDomain.

Pfam Families

PF00027cNMP_binding

Cyclic nucleotide-binding domain

ClanCL0029Cupin

External Links

ECOD PDB View: 3QOP RCSB PDB: 3QOP PDBe: 3QOP UniProt: P0ACJ8

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure