Annotations: 6U3O

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A [auth G]	d6u3og2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	automated matches	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A [auth G]	d6u3og1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
C [auth A]	d6u3oa2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	automated matches	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
C [auth A]	d6u3oa1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B [auth H]	d6u3oh2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	automated matches	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B [auth H]	d6u3oh1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
D [auth B]	d6u3ob2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	automated matches	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
D [auth B]	d6u3ob1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
E [auth C]	d6u3oc2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	automated matches	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
E [auth C]	d6u3oc1	Alpha and beta proteins (a+b)	MHC antigen-recognition domain	MHC antigen-recognition domain	automated matches	automated matches	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
G [auth E]	d6u3oe2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	automated matches	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
G [auth E]	d6u3oe1	Alpha and beta proteins (a+b)	MHC antigen-recognition domain	MHC antigen-recognition domain	automated matches	automated matches	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
F [auth D]	d6u3od2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
F [auth D]	d6u3od1	Alpha and beta proteins (a+b)	MHC antigen-recognition domain	MHC antigen-recognition domain	automated matches	automated matches	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
H [auth F]	d6u3of2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
H [auth F]	d6u3of1	Alpha and beta proteins (a+b)	MHC antigen-recognition domain	MHC antigen-recognition domain	automated matches	automated matches	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A [auth G]	DUF1968	e6u3oG1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: DUF1968	ECOD (1.6)
A [auth G]	V-set_3	e6u3oG2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set_3	ECOD (1.6)
C [auth A]	DUF1968	e6u3oA2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: DUF1968	ECOD (1.6)
C [auth A]	V-set_3	e6u3oA1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set_3	ECOD (1.6)
B [auth H]	C1-set	e6u3oH2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set	ECOD (1.6)
B [auth H]	V-set_3	e6u3oH1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set_3	ECOD (1.6)
D [auth B]	C1-set	e6u3oB1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set	ECOD (1.6)
D [auth B]	V-set_3	e6u3oB2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set_3	ECOD (1.6)
E [auth C]	C1-set_2	e6u3oC2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_2	ECOD (1.6)
E [auth C]	MHC_II_alpha	e6u3oC1	A: a+b two layers	X: MHC antigen-recognition domain (From Topology)	H: MHC antigen-recognition domain (From Topology)	T: MHC antigen-recognition domain	F: MHC_II_alpha	ECOD (1.6)
G [auth E]	C1-set_2	e6u3oE2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_2	ECOD (1.6)
G [auth E]	MHC_II_alpha	e6u3oE1	A: a+b two layers	X: MHC antigen-recognition domain (From Topology)	H: MHC antigen-recognition domain (From Topology)	T: MHC antigen-recognition domain	F: MHC_II_alpha	ECOD (1.6)
F [auth D]	C1-set_2	e6u3oD2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_2	ECOD (1.6)
F [auth D]	MHC_II_beta	e6u3oD1	A: a+b two layers	X: MHC antigen-recognition domain (From Topology)	H: MHC antigen-recognition domain (From Topology)	T: MHC antigen-recognition domain	F: MHC_II_beta	ECOD (1.6)
H [auth F]	C1-set_2	e6u3oF2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_2	ECOD (1.6)
H [auth F]	MHC_II_beta	e6u3oF1	A: a+b two layers	X: MHC antigen-recognition domain (From Topology)	H: MHC antigen-recognition domain (From Topology)	T: MHC antigen-recognition domain	F: MHC_II_beta	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B [auth H]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
D [auth B]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
E [auth C]	3.10.320.10	Alpha Beta	Roll	Class II Histocompatibility Antigen, M Beta Chain	Chain B, domain 1	CATH (utative)
E [auth C]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
G [auth E]	3.10.320.10	Alpha Beta	Roll	Class II Histocompatibility Antigen, M Beta Chain	Chain B, domain 1	CATH (utative)
G [auth E]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)

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
A [auth G], C [auth A]	TR JR5.1	null	Homo sapiens (human)	-	-	TR	TR-ALPHA_BETA-2	IMGT (202415-0)
B [auth H], D [auth B]	TR JR5.1	null	Homo sapiens (human)	-	-	TR	TR-ALPHA_BETA-2	IMGT (202415-0)
E [auth C], G [auth E]	MH2 HLA-DQA10501_HLA-QB10201, peptide fused to N-terminus of	II-ALPHA	Homo sapiens (human)	HLA-DQA10501, HLA-DQA10503, HLA-DQA10505, HLA-DQA10506, HLA-DQA10508, HLA-DQA10507	G-DOMAIN G-ALPHA, C-LIKE-DOMAIN C-LIKE	MH	MH2-ALPHA_PEPTIDE-BETA	IMGT (202415-0)
F [auth D], H [auth F]	MH2 HLA-DQA10501_HLA-QB10201, peptide fused to N-terminus of	FGF19	Homo sapiens (human)	HLA-DQB10201, HLA-DQB10202	G-DOMAIN G-BETA, C-LIKE-DOMAIN C-LIKE	MH	MH2-ALPHA_PEPTIDE-BETA	IMGT (202415-0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
I, J	PF03169	OPT oligopeptide transporter protein (OPT)	OPT oligopeptide transporter protein	-	Family
E [auth C], G [auth E]	PF07654	Immunoglobulin C1-set domain (C1-set)	Immunoglobulin C1-set domain	-	Domain
E [auth C], G [auth E]	PF00993	Class II histocompatibility antigen, alpha domain (MHC_II_alpha)	Class II histocompatibility antigen, alpha domain	-	Domain
F [auth D], H [auth F]	PF00969	Class II histocompatibility antigen, beta domain (MHC_II_beta)	Class II histocompatibility antigen, beta domain	-	Domain
F [auth D], H [auth F]	PF07654	Immunoglobulin C1-set domain (C1-set)	Immunoglobulin C1-set domain	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
I, J	Peptide	oligopeptide transmembrane transporter activity amide transmembrane transporter activity transporter activity transmembrane transporter activity	-	membrane cellular anatomical entity
A [auth G], C [auth A]	T-CELL RECEPTOR, JR5.1 alpha	-	-	-
B [auth H], D [auth B]	T-CELL RECEPTOR, JR5.1 beta	-	-	-
E [auth C], G [auth E]	MHC class II HLA-DQ-alpha chain	-	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	vacuolar membrane membrane-bounded organelle intracellular anatomical structure membrane lytic vacuole vacuole cellular anatomical entity intracellular membrane-bounded organelle intracellular organelle lytic vacuole membrane bounding membrane of organelle organelle lysosomal membrane cytoplasm vacuolar membrane membrane-bounded organelle intracellular anatomical structure membrane lytic vacuole vacuole cellular anatomical entity intracellular membrane-bounded organelle intracellular organelle lytic vacuole membrane bounding membrane of organelle organelle lysosomal membrane cytoplasm organelle membrane lysosome MHC protein complex cell periphery MHC class II protein complex protein-containing complex plasma membrane protein complex plasma membrane membrane protein complex endosome membrane endosome intracellular vesicle endomembrane system cytoplasmic vesicle membrane vesicle membrane cytoplasmic vesicle vesicle
F [auth D], H [auth F]	MHC class II HLA-DQ-beta-1	-	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	vacuolar membrane membrane-bounded organelle intracellular anatomical structure membrane lytic vacuole vacuole cellular anatomical entity intracellular membrane-bounded organelle intracellular organelle lytic vacuole membrane bounding membrane of organelle organelle lysosomal membrane cytoplasm vacuolar membrane membrane-bounded organelle intracellular anatomical structure membrane lytic vacuole vacuole cellular anatomical entity intracellular membrane-bounded organelle intracellular organelle lytic vacuole membrane bounding membrane of organelle organelle lysosomal membrane cytoplasm organelle membrane lysosome MHC protein complex cell periphery MHC class II protein complex protein-containing complex plasma membrane protein complex plasma membrane membrane protein complex endosome membrane endosome intracellular vesicle endomembrane system cytoplasmic vesicle membrane vesicle membrane cytoplasmic vesicle vesicle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
I, J	IPR004814	Oligopeptide transporter OPT	Family
I, J	IPR004813	Oligopeptide transporter, OPT superfamily	Family
I, J	IPR045035	Metal-nicotianamine transporter YSL-like	Family
E [auth C], G [auth E]	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
E [auth C], G [auth E]	IPR014745	MHC class II, alpha/beta chain, N-terminal	Homologous Superfamily
E [auth C], G [auth E]	IPR003597	Immunoglobulin C1-set	Domain
E [auth C], G [auth E]	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
E [auth C], G [auth E]	IPR011162	MHC classes I/II-like antigen recognition protein	Homologous Superfamily
E [auth C], G [auth E]	IPR007110	Immunoglobulin-like domain	Domain
E [auth C], G [auth E]	IPR001003	MHC class II, alpha chain, N-terminal	Domain
E [auth C], G [auth E]	IPR003006	Immunoglobulin/major histocompatibility complex, conserved site	Conserved Site
F [auth D], H [auth F]	IPR000353	MHC class II, beta chain, N-terminal	Domain
F [auth D], H [auth F]	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
F [auth D], H [auth F]	IPR014745	MHC class II, alpha/beta chain, N-terminal	Homologous Superfamily
F [auth D], H [auth F]	IPR003597	Immunoglobulin C1-set	Domain
F [auth D], H [auth F]	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
F [auth D], H [auth F]	IPR011162	MHC classes I/II-like antigen recognition protein	Homologous Superfamily
F [auth D], H [auth F]	IPR007110	Immunoglobulin-like domain	Domain
F [auth D], H [auth F]	IPR003006	Immunoglobulin/major histocompatibility complex, conserved site	Conserved Site

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.