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

Resources

Grishin Lab
UT Southwestern
RCSB PDB
AlphaFold DB
ecod.database@gmail.com

© 2014-2026 Grishin Lab / HHMI / UTSW

e3qq3A1 - ECOD Domain | ECOD

ECOD/Domains/e3qq3A1

e3qq3A1

UID: 000184360

PDB

Range: A:182-275
PDB: 3QQ3 chain A(all domains)
UniProt: O19244 (all domains)
Gene: PD1

Molecule: MHC class I antigen

3D Structure

Loading viewer...

Related Domains

Browse other domains in C1-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)

FFamilyC1-set(11.1.1.96)

Pfam Families

Immunoglobulin C1-set domain

ClanCL0159E-set

External Links

ECOD PDB View: 3QQ3 RCSB PDB: 3QQ3 PDBe: 3QQ3 UniProt: O19244

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure