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

e8w83K2 - ECOD Domain | ECOD

ECOD/Domains/e8w83K2

e8w83K2

UID: 003109601

PDB

Range: K:4-83
PDB: 8W83 chain K(all domains)

Molecule: HLA class II histocompatibility antigen, DQ alpha 1 chain

3D Structure

Loading viewer...

Related Domains

Browse other domains in MHC_II_alpha →

Classification

AArchitecturea+b two layers(a.11)

XX-groupMHC antigen-recognition domain(233)

HH-groupMHC antigen-recognition domain(233.1)

TT-groupMHC antigen-recognition domain(233.1.1)

FFamilyMHC_II_alpha(233.1.1.3)

Ligands

in contact, ≤ 4 Å

N-AcetylglucosamineNAG
drugDrugBank DB00141

Shown in the structure viewer. Drug annotations from DrugDomain.

Pfam Families

PF00993MHC_II_alpha

Class II histocompatibility antigen, alpha domain

ClanCL0343MHC

External Links

ECOD PDB View: 8W83 RCSB PDB: 8W83 PDBe: 8W83

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure