Annotations: 5F1N

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2 Family	C1 set domains-like	8070458	4000202	SCOP2 (2022-06-29)
B	SCOP2 Superfamily	Immunoglobulin (Ig) domain-like	8070459	3000071	SCOP2 (2022-06-29)
E	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8070459	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)
A	PF07654	e5f1nA2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07654	ECOD (1.6)
A	PF00129	e5f1nA1	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: PF00129	ECOD (1.6)
D	PF07654	e5f1nD2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07654	ECOD (1.6)
D	PF00129	e5f1nD1	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: PF00129	ECOD (1.6)
B	PF07654	e5f1nB1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07654	ECOD (1.6)
E	PF07654	e5f1nE1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07654	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.500.10	Alpha Beta	2-Layer Sandwich	Murine Class I Major Histocompatibility Complex, H2-DB	Chain A, domain 1	CATH (4.3.0)
A	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
D	3.30.500.10	Alpha Beta	2-Layer Sandwich	Murine Class I Major Histocompatibility Complex, H2-DB	Chain A, domain 1	CATH (4.3.0)
D	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
B	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
E	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, D	PF00129	Class I Histocompatibility antigen, domains alpha 1 and 2 (MHC_I)	Class I Histocompatibility antigen, domains alpha 1 and 2	-	Domain
A, D	PF07654	Immunoglobulin C1-set domain (C1-set)	Immunoglobulin C1-set domain	-	Domain
B, E	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
A, D	MHC class I antigen	protein binding binding signaling receptor binding antigen binding peptide antigen binding peptide binding	response to stimulus immune response immune system process antigen processing and presentation antigen processing and presentation of endogenous peptide antigen via MHC class I via ER pathway antigen processing and presentation of endogenous peptide antigen antigen processing and presentation of peptide antigen via MHC class I antigen processing and presentation of endogenous peptide antigen via MHC class I via ER pathway, TAP-independent antigen processing and presentation of peptide antigen antigen processing and presentation of endogenous antigen antigen processing and presentation of endogenous peptide antigen via MHC class I antigen processing and presentation of endogenous peptide antigen via MHC class Ib antigen processing and presentation of peptide antigen via MHC class Ib antigen processing and presentation via MHC class Ib response to stimulus immune response immune system process antigen processing and presentation antigen processing and presentation of endogenous peptide antigen via MHC class I via ER pathway antigen processing and presentation of endogenous peptide antigen antigen processing and presentation of peptide antigen via MHC class I antigen processing and presentation of endogenous peptide antigen via MHC class I via ER pathway, TAP-independent antigen processing and presentation of peptide antigen antigen processing and presentation of endogenous antigen antigen processing and presentation of endogenous peptide antigen via MHC class I antigen processing and presentation of endogenous peptide antigen via MHC class Ib antigen processing and presentation of peptide antigen via MHC class Ib antigen processing and presentation via MHC class Ib adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains lymphocyte mediated immunity regulation of immune effector process T cell mediated immunity positive regulation of leukocyte mediated immunity regulation of cellular process positive regulation of adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains positive regulation of lymphocyte mediated immunity positive regulation of biological process positive regulation of response to stimulus regulation of adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains positive regulation of immune response positive regulation of leukocyte mediated cytotoxicity leukocyte mediated immunity regulation of immune system process positive regulation of immune effector process positive regulation of adaptive immune response positive regulation of immune system process positive regulation of cellular process regulation of T cell mediated immunity T cell mediated cytotoxicity regulation of biological process positive regulation of T cell mediated cytotoxicity regulation of adaptive immune response biological regulation regulation of leukocyte mediated cytotoxicity leukocyte mediated cytotoxicity adaptive immune response immune effector process regulation of leukocyte mediated immunity regulation of T cell mediated cytotoxicity regulation of lymphocyte mediated immunity regulation of response to stimulus positive regulation of T cell mediated immunity regulation of immune response regulation of cell killing cellular process positive regulation of cell killing cell killing	membrane-bounded organelle intracellular anatomical structure organelle subcompartment membrane lumenal side of endoplasmic reticulum membrane cellular anatomical entity intracellular membrane-bounded organelle endomembrane system side of membrane lumenal side of membrane endoplasmic reticulum subcompartment intracellular organelle organelle nuclear outer membrane-endoplasmic reticulum membrane network membrane-bounded organelle intracellular anatomical structure organelle subcompartment membrane lumenal side of endoplasmic reticulum membrane cellular anatomical entity intracellular membrane-bounded organelle endomembrane system side of membrane lumenal side of membrane endoplasmic reticulum subcompartment intracellular organelle organelle nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum cytoplasm organelle membrane endoplasmic reticulum membrane intracellular vesicle phagocytic vesicle phagocytic vesicle membrane cytoplasmic vesicle membrane bounding membrane of organelle cytoplasmic vesicle vesicle membrane endocytic vesicle membrane vesicle endocytic vesicle cell periphery cell surface plasma membrane external side of plasma membrane MHC class I protein complex MHC protein complex protein-containing complex plasma membrane protein complex membrane protein complex extracellular region extracellular space
B, E	Beta-2-microglobulin	-	antigen processing and presentation immune system process antigen processing and presentation of peptide antigen via MHC class I antigen processing and presentation of peptide antigen response to stimulus immune response	MHC class I protein complex MHC protein complex cell periphery protein-containing complex plasma membrane protein complex membrane plasma membrane membrane protein complex cellular anatomical entity extracellular region
C, F	Peptide from Cytochrome P450 family 1 subfamily B polypeptide 1	oxidoreductase activity oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen 17-alpha-hydroxyprogesterone aldolase activity catalytic activity estrogen 16-alpha-hydroxylase activity monooxygenase activity steroid hydroxylase activity steroid 17-alpha-monooxygenase activity binding organic cyclic compound binding tetrapyrrole binding heme binding cation binding transition metal ion binding oxidoreductase activity oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen 17-alpha-hydroxyprogesterone aldolase activity catalytic activity estrogen 16-alpha-hydroxylase activity monooxygenase activity steroid hydroxylase activity steroid 17-alpha-monooxygenase activity binding organic cyclic compound binding tetrapyrrole binding heme binding cation binding transition metal ion binding iron ion binding ion binding metal ion binding small molecule binding oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, reduced flavin or flavoprotein as one donor, and incorporation of one atom of oxygen	membrane lipid metabolic process lipid catabolic process catabolic process cellular metabolic process primary metabolic process membrane lipid catabolic process cellular lipid catabolic process cellular catabolic process organic substance metabolic process cellular lipid metabolic process metabolic process cellular process organic substance catabolic process lipid metabolic process membrane lipid metabolic process lipid catabolic process catabolic process cellular metabolic process primary metabolic process membrane lipid catabolic process cellular lipid catabolic process cellular catabolic process organic substance metabolic process cellular lipid metabolic process metabolic process cellular process organic substance catabolic process lipid metabolic process regulation of hormone levels steroid metabolic process biological regulation C21-steroid hormone metabolic process hormone metabolic process organic cyclic compound metabolic process cellular ketone metabolic process progesterone metabolic process olefinic compound metabolic process small molecule metabolic process regulation of biological quality biosynthetic process hormone biosynthetic process multicellular organismal process regulation of cellular process cellular biosynthetic process positive regulation of biological process positive regulation of cellular metabolic process positive regulation of macromolecule biosynthetic process positive regulation of metabolic process positive regulation of biosynthetic process regulation of cytokine production organic substance biosynthetic process cytokine production regulation of multicellular organismal process positive regulation of macromolecule metabolic process positive regulation of cellular process regulation of vascular endothelial growth factor production regulation of biosynthetic process regulation of biological process regulation of cellular metabolic process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process regulation of cellular biosynthetic process regulation of gene expression vascular endothelial growth factor production positive regulation of gene expression positive regulation of multicellular organismal process positive regulation of vascular endothelial growth factor production regulation of macromolecule biosynthetic process macromolecule metabolic process positive regulation of cytokine production regulation of metabolic process positive regulation of cellular biosynthetic process developmental process blood vessel morphogenesis tube development angiogenesis vasculature development circulatory system development multicellular organism development anatomical structure morphogenesis tube morphogenesis anatomical structure development anatomical structure formation involved in morphogenesis blood vessel development system development diterpenoid metabolic process retinal metabolic process cellular aldehyde metabolic process retinoid metabolic process terpenoid metabolic process isoprenoid metabolic process toxin metabolic process secondary metabolic process estrogen metabolic process negative regulation of cell adhesion mediated by integrin regulation of cell adhesion mediated by integrin regulation of cell adhesion negative regulation of biological process negative regulation of cell adhesion cell adhesion cell adhesion mediated by integrin negative regulation of cellular process positive regulation of programmed cell death regulation of apoptotic process regulation of programmed cell death cell death positive regulation of apoptotic process apoptotic process programmed cell death epithelium migration tissue migration endothelial cell migration ameboidal-type cell migration blood vessel endothelial cell migration epithelial cell migration cell migration cell motility cell-cell adhesion epithelial cell-cell adhesion endothelial cell-cell adhesion sensory organ development eye development animal organ development visual system development tissue development trabecular meshwork development camera-type eye development sensory system development response to stimulus response to chemical response to toxic substance cellular component organization collagen fibril organization extracellular matrix organization cellular component organization or biogenesis supramolecular fiber organization extracellular structure organization external encapsulating structure organization cellular response to stimulus cellular response to oxidative stress response to oxygen-containing compound cellular response to chemical stress cellular response to oxygen-containing compound cellular response to hydrogen peroxide response to reactive oxygen species response to inorganic substance response to hydrogen peroxide response to oxidative stress cellular response to reactive oxygen species cellular response to chemical stimulus cellular response to stress response to stress cellular response to xenobiotic stimulus xenobiotic metabolic process response to xenobiotic stimulus negative regulation of locomotion regulation of cell motility regulation of locomotion regulation of cell migration negative regulation of cell motility negative regulation of cell migration locomotion negative regulation of cell population proliferation cell population proliferation regulation of cell population proliferation regulation of developmental process regulation of vasculature development positive regulation of developmental process regulation of anatomical structure morphogenesis regulation of multicellular organismal development positive regulation of angiogenesis positive regulation of vasculature development regulation of angiogenesis positive regulation of cell communication cell surface receptor signaling pathway via STAT positive regulation of signal transduction signaling positive regulation of receptor signaling pathway via STAT regulation of signal transduction positive regulation of receptor signaling pathway via JAK-STAT cell communication positive regulation of response to stimulus regulation of receptor signaling pathway via JAK-STAT signal transduction regulation of signaling cell surface receptor signaling pathway regulation of response to stimulus regulation of cell communication regulation of receptor signaling pathway via STAT cell surface receptor signaling pathway via JAK-STAT positive regulation of signaling icosanoid metabolic process fatty acid metabolic process long-chain fatty acid metabolic process unsaturated fatty acid metabolic process oxoacid metabolic process carboxylic acid metabolic process organic acid metabolic process arachidonic acid metabolic process monocarboxylic acid metabolic process reactive oxygen species metabolic process regulation of reactive oxygen species metabolic process intrinsic apoptotic signaling pathway in response to oxidative stress intracellular signal transduction apoptotic signaling pathway intrinsic apoptotic signaling pathway retina vasculature development in camera-type eye retina development in camera-type eye retina vasculature morphogenesis in camera-type eye retinal blood vessel morphogenesis response to organic substance cellular response to organic cyclic compound cellular response to organic substance response to organic cyclic compound nitric oxide metabolic process nitric oxide biosynthetic process reactive nitrogen species metabolic process organic hydroxy compound metabolic process alcohol metabolic process retinol metabolic process primary alcohol metabolic process	membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle endoplasmic reticulum endomembrane system

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, D	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
A, D	IPR037055	MHC class I-like antigen recognition-like superfamily	Homologous Superfamily
A, D	IPR003597	Immunoglobulin C1-set	Domain
A, D	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A, D	IPR011161	MHC class I-like antigen recognition-like	Domain
A, D	IPR011162	MHC classes I/II-like antigen recognition protein	Homologous Superfamily
A, D	IPR007110	Immunoglobulin-like domain	Domain
A, D	IPR001039	MHC class I alpha chain, alpha1 alpha2 domains	Domain
A, D	IPR003006	Immunoglobulin/major histocompatibility complex, conserved site	Conserved Site
B, E	IPR003597	Immunoglobulin C1-set	Domain
B, E	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
B, E	IPR015707	Beta-2-Microglobulin	Family
B, E	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
B, E	IPR007110	Immunoglobulin-like domain	Domain
B, E	IPR003006	Immunoglobulin/major histocompatibility complex, conserved site	Conserved Site
C, F	IPR002401	Cytochrome P450, E-class, group I	Family
C, F	IPR017972	Cytochrome P450, conserved site	Conserved Site
C, F	IPR001128	Cytochrome P450	Family
C, F	IPR036396	Cytochrome P450 superfamily	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 R01GM133198.