Annotations: 7Z50

Structure of the highly diabetogenic 4.1-T cell receptor targeting a hybrid insulin peptide bound to I-Ag7.

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	MHC antigen-recognition domain	8055622	3000521	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8054729	3000071	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8054729	3000071	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	MHC antigen-recognition domain	8055622	3000521	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	MHC antigen-recognition domain	8034745	3000521	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8054689	3000071	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	MHC antigen-recognition domain	8034745	3000521	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8054689	3000071	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
H	Bromodomain	e7z50H1	A: a/b three-layered sandwiches	X: RNase A-like	H: Cytochrome P450	T: Cytochrome P450	F: Bromodomain	ECOD (v294.1)
G	Bromodomain	e7z50G1	A: a/b three-layered sandwiches	X: RNase A-like	H: Cytochrome P450	T: Cytochrome P450	F: Bromodomain	ECOD (v294.1)
F	Bromodomain	e7z50F1	A: a/b three-layered sandwiches	X: RNase A-like	H: Cytochrome P450	T: Cytochrome P450	F: Bromodomain	ECOD (v294.1)
E	Bromodomain	e7z50E1	A: a/b three-layered sandwiches	X: RNase A-like	H: Cytochrome P450	T: Cytochrome P450	F: Bromodomain	ECOD (v294.1)
B	Bromodomain	e7z50B1	A: a/b three-layered sandwiches	X: RNase A-like	H: Cytochrome P450	T: Cytochrome P450	F: Bromodomain	ECOD (v294.1)
D	Bromodomain	e7z50D1	A: a/b three-layered sandwiches	X: RNase A-like	H: Cytochrome P450	T: Cytochrome P450	F: Bromodomain	ECOD (v294.1)
C	Bromodomain	e7z50C1	A: a/b three-layered sandwiches	X: RNase A-like	H: Cytochrome P450	T: Cytochrome P450	F: Bromodomain	ECOD (v294.1)
A	Bromodomain	e7z50A1	A: a/b three-layered sandwiches	X: RNase A-like	H: Cytochrome P450	T: Cytochrome P450	F: Bromodomain	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
H	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
G	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, C	PF07654	Immunoglobulin C1-set domain (C1-set)	Immunoglobulin C1-set domain		Domain
A, C	PF00993	Class II histocompatibility antigen, alpha domain (MHC_II_alpha)	Class II histocompatibility antigen, alpha domain		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
I [auth T], J [auth W]	Hybrid insulin peptide	-	-	-
G, H	4.1 TCR alpha chain	-	-	-
E, F	4.1 TCR beta chain	-	-	-
B, D	H2-Ab1 protein	-	response to stimulus immune response immune system process adaptive immune response antigen processing and presentation of exogenous peptide antigen via MHC class II antigen processing and presentation antigen processing and presentation of peptide or polysaccharide antigen via MHC class II antigen processing and presentation of peptide antigen via MHC class II antigen processing and presentation of exogenous peptide antigen antigen processing and presentation of peptide antigen antigen processing and presentation of exogenous antigen	membrane-bounded organelle intracellular anatomical structure early endosome endosome intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle cellular anatomical structure cytoplasmic vesicle organelle cytoplasm vesicle Golgi apparatus membrane-bounded organelle intracellular anatomical structure early endosome endosome intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle cellular anatomical structure cytoplasmic vesicle organelle cytoplasm vesicle Golgi apparatus cell surface MHC protein complex cell periphery MHC class II protein complex protein-containing complex plasma membrane protein complex membrane plasma membrane membrane protein complex late endosome multivesicular body
A, C	H-2 class II histocompatibility antigen, A-D alpha chain	binding antigen binding peptide antigen binding peptide binding	response to stimulus immune response immune system process adaptive immune response antigen processing and presentation of exogenous peptide antigen via MHC class II antigen processing and presentation antigen processing and presentation of peptide or polysaccharide antigen via MHC class II antigen processing and presentation of peptide antigen via MHC class II antigen processing and presentation of exogenous peptide antigen antigen processing and presentation of peptide antigen antigen processing and presentation of exogenous antigen multicellular organismal process regulation of leukocyte differentiation regulation of cellular process response to stimulus immune response immune system process adaptive immune response antigen processing and presentation of exogenous peptide antigen via MHC class II antigen processing and presentation antigen processing and presentation of peptide or polysaccharide antigen via MHC class II antigen processing and presentation of peptide antigen via MHC class II antigen processing and presentation of exogenous peptide antigen antigen processing and presentation of peptide antigen antigen processing and presentation of exogenous antigen multicellular organismal process regulation of leukocyte differentiation regulation of cellular process regulation of leukocyte activation regulation of cell activation mononuclear cell differentiation regulation of cell differentiation lymphocyte differentiation positive regulation of T cell differentiation regulation of cell development positive regulation of developmental process multicellular organism development positive regulation of cell activation T cell activation cell differentiation anatomical structure development positive regulation of leukocyte activation T cell differentiation regulation of immune system process positive regulation of immune system process developmental process regulation of biological process positive regulation of T cell activation positive regulation of cell development regulation of leukocyte cell-cell adhesion positive regulation of multicellular organismal process leukocyte differentiation cellular developmental process regulation of developmental process positive regulation of biological process cell development positive regulation of leukocyte cell-cell adhesion lymphocyte activation leukocyte cell-cell adhesion leukocyte activation positive regulation of cell-cell adhesion regulation of T cell differentiation positive regulation of lymphocyte activation cell adhesion cell-cell adhesion positive regulation of hemopoiesis positive regulation of cell differentiation regulation of multicellular organismal process regulation of cell-cell adhesion positive regulation of cellular process regulation of lymphocyte differentiation regulation of multicellular organismal development hemopoiesis positive regulation of cell adhesion regulation of cell adhesion cell activation biological regulation regulation of T cell activation regulation of hemopoiesis cellular process positive regulation of leukocyte differentiation positive regulation of lymphocyte differentiation regulation of lymphocyte activation	cell periphery cellular anatomical structure cell surface membrane plasma membrane external side of plasma membrane side of membrane MHC protein complex MHC class II protein complex protein-containing complex plasma membrane protein complex membrane protein complex membrane-bounded organelle intracellular organelle cell periphery cellular anatomical structure cell surface membrane plasma membrane external side of plasma membrane side of membrane MHC protein complex MHC class II protein complex protein-containing complex plasma membrane protein complex membrane protein complex membrane-bounded organelle intracellular organelle intracellular anatomical structure organelle lytic vacuole vacuole cytoplasm intracellular membrane-bounded organelle lysosome

InterPro: Protein Family Classification InterPro Database Homepage

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

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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.