Annotations: 6T3Y

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d6t3ya2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	Chicken (Gallus gallus ) [TaxId: 9031 ],	SCOPe (2.08)
A	d6t3ya1	Alpha and beta proteins (a+b)	MHC antigen-recognition domain	MHC antigen-recognition domain	automated matches	automated matches	Chicken (Gallus gallus ) [TaxId: 9031 ],	SCOPe (2.08)
A	d6t3ya3	Artifacts	Tags	Tags	Tags	N-terminal Tags	Chicken (Gallus gallus ) [TaxId: 9031 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	PG_binding_1	e6t3yB1	A: a/b three-layered sandwiches	X: cradle loop barrel	H: N-terminal domain of poxin	T: N-terminal domain of poxin	F: PG_binding_1	ECOD (v294.1)
A	PG_binding_1	e6t3yA1	A: a/b three-layered sandwiches	X: cradle loop barrel	H: N-terminal domain of poxin	T: N-terminal domain of poxin	F: PG_binding_1	ECOD (v294.1)

IMGT Antibody Annotation IMGT Database Homepage

Chain	Protein Name	Description	Organism Name	Gene Allele Name(s)	Domain Name(s)	Receptor Type	Receptor Description	Provenance Source
B	MH2 HLA-DRA*0101	II-BETA	Homo sapiens (human)	HLA-DRB1*0352	G-DOMAIN G-BETA	MH	MH2-ALPHA_BETA	IMGT (202613-0)
A	MH2 HLA-DRA*0101	II-ALPHA	Homo sapiens (human)	HLA-DRA0101, HLA-DRA0102	G-DOMAIN G-ALPHA, C-LIKE-DOMAIN C-LIKE	MH	MH2-ALPHA_BETA	IMGT (202613-0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B	MHC class II beta chain 2	cation binding ion binding binding metal ion binding small molecule binding	antigen processing and presentation antigen processing and presentation of peptide or polysaccharide antigen via MHC class II immune system process response to stimulus immune response adaptive immune response	MHC protein complex cell periphery MHC class II protein complex protein-containing complex cellular anatomical structure plasma membrane protein complex membrane plasma membrane membrane protein complex
A	MHC class II alpha chain	cation binding ion binding binding metal ion binding small molecule binding	antigen processing and presentation immune system process response to stimulus immune response	MHC protein complex cell periphery MHC class II protein complex protein-containing complex cellular anatomical structure plasma membrane protein complex membrane plasma membrane membrane protein complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B	IPR000353	MHC class II, beta chain, N-terminal	Domain
B	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
B	IPR050160	Major Histocompatibility Complex/Immunoglobulin	Family
B	IPR014745	MHC class II, alpha/beta chain, N-terminal	Homologous Superfamily
B	IPR003597	Immunoglobulin C1-set	Domain
B	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
B	IPR011162	MHC classes I/II-like antigen recognition protein	Homologous Superfamily
B	IPR007110	Immunoglobulin-like domain	Domain
B	IPR003006	Immunoglobulin/major histocompatibility complex, conserved site	Conserved Site
A	IPR003597	Immunoglobulin C1-set	Domain
A	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
A	IPR011162	MHC classes I/II-like antigen recognition protein	Homologous Superfamily
A	IPR007110	Immunoglobulin-like domain	Domain
A	IPR001003	MHC class II, alpha chain, N-terminal	Domain
A	IPR050160	Major Histocompatibility Complex/Immunoglobulin	Family
A	IPR014745	MHC class II, alpha/beta chain, N-terminal	Homologous Superfamily

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.