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

e1dqtA1 - ECOD Domain | ECOD

ECOD/Domains/e1dqtA1

e1dqtA1

UID: 000001644

RepresentativePDB

Range: A:1-117
PDB: 1DQT chain A(all domains)
UniProt: P09793 (all domains)
Gene: Ctla4

Molecule: CYTOTOXIC T LYMPHOCYTE ASSOCIATED ANTIGEN 4

3D Structure

Loading viewer...

Related Domains

Browse other domains in V-set →

Classification

AArchitecturebeta sandwiches(a.3)

XX-groupImmunoglobulin-like beta-sandwich(11)

HH-groupImmunoglobulin-related(11.1)

TT-groupImmunoglobulin/Fibronectin type III/E set domains/PapD-like(11.1.1)

FFamilyV-set(11.1.1.99)

Ligands

in contact, ≤ 4 Å

Chloride ionCL

+ 1 additive (1,2-ETHANEDIOL)

1,2-ETHANEDIOLEDO

Shown in the structure viewer. Drug annotations from DrugDomain.

Pfam Families

Immunoglobulin V-set domain

ClanCL0159E-set

External Links

ECOD PDB View: 1DQT RCSB PDB: 1DQT PDBe: 1DQT UniProt: P09793

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure