Annotations: 1JE6

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1je6a1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	Class I MHC homolog, alpha-3 domain	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d1je6a2	Alpha and beta proteins (a+b)	MHC antigen-recognition domain	MHC antigen-recognition domain	MHC antigen-recognition domain	Class I MHC homolog	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	MHC antigen-recognition domain	8027509	4001031	SCOP2 (2022-06-29)
A	SCOP2 Family	C1 set domains-like	8054642	4000202	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	MHC antigen-recognition domain	8039888	3000521	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Immunoglobulin (Ig) domain-like	8054643	3000071	SCOP2 (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	C1-set_2	e1je6A1	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)
A	MHC_I	e1je6A2	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_I	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)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00129	Class I Histocompatibility antigen, domains alpha 1 and 2 (MHC_I)	Class I Histocompatibility antigen, domains alpha 1 and 2	-	Domain
A	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	MHC class I chain-related protein	protein binding binding signaling receptor binding antigen binding peptide antigen binding peptide binding natural killer cell lectin-like receptor binding	response to stimulus immune response immune system process adaptive immune response multicellular organismal process gamma-delta T cell activation T cell activation cell activation cellular process lymphocyte activation leukocyte activation 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 response to stimulus immune response immune system process adaptive immune response multicellular organismal process gamma-delta T cell activation T cell activation cell activation cellular process lymphocyte activation leukocyte activation 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 response to retinoic acid response to lipid response to chemical response to oxygen-containing compound cellular response to stimulus immune response-regulating cell surface receptor signaling pathway regulation of cellular process signaling positive regulation of biological process cell communication positive regulation of response to stimulus immune response-activating signaling pathway immune response-regulating signaling pathway positive regulation of immune response regulation of immune system process signal transduction positive regulation of immune system process regulation of biological process cell surface receptor signaling pathway immune response-activating cell surface receptor signaling pathway biological regulation regulation of response to stimulus regulation of immune response activation of immune response biological process involved in interspecies interaction between organisms disruption of cell in another organism disruption of anatomical structure in another organism killing of cells of another organism cell killing 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 oxidative stress response to stress 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 positive regulation of adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains positive regulation of lymphocyte mediated immunity regulation of adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains positive regulation of leukocyte mediated cytotoxicity leukocyte mediated immunity positive regulation of immune effector process positive regulation of adaptive immune response positive regulation of cellular process regulation of T cell mediated immunity T cell mediated cytotoxicity positive regulation of T cell mediated cytotoxicity regulation of adaptive immune response regulation of leukocyte mediated cytotoxicity leukocyte mediated cytotoxicity immune effector process regulation of leukocyte mediated immunity regulation of T cell mediated cytotoxicity regulation of lymphocyte mediated immunity positive regulation of T cell mediated immunity regulation of cell killing positive regulation of cell killing response to heat response to abiotic stimulus response to temperature stimulus regulation of defense response regulation of response to biotic stimulus regulation of response to external stimulus negative regulation of response to biotic stimulus negative regulation of biological process response to biotic stimulus regulation of defense response to virus regulation of response to stress regulation of defense response to virus by host response to external biotic stimulus response to virus negative regulation of defense response to virus by host response to other organism defense response negative regulation of response to stimulus defense response to symbiont response to external stimulus defense response to virus defense response to other organism negative regulation of response to external stimulus negative regulation of defense response negative regulation of defense response to virus	cell periphery cell surface membrane plasma membrane cellular anatomical entity external side of plasma membrane side of membrane extracellular region extracellular space

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
A	IPR050208	Antigen-presenting and immune regulatory MHC class I-related	Family
A	IPR003597	Immunoglobulin C1-set	Domain
A	IPR011161	MHC class I-like antigen recognition-like	Domain
A	IPR011162	MHC classes I/II-like antigen recognition protein	Homologous Superfamily
A	IPR037055	MHC class I-like antigen recognition-like superfamily	Homologous Superfamily
A	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A	IPR007110	Immunoglobulin-like domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: Q29980	lung carcinoma ulcerative colitis Dengue hemorrhagic fever Hodgkins lymphoma invasive ductal breast carcinoma lung cancer malignant glioma AIDS myositis autism spectrum disorder pancreatic intraductal papillary-mucinous neoplasm carpal tunnel syndrome psoriasis cutaneous lupus erythematosus schizophrenia lung carcinoma ulcerative colitis Dengue hemorrhagic fever Hodgkins lymphoma invasive ductal breast carcinoma lung cancer malignant glioma AIDS myositis autism spectrum disorder pancreatic intraductal papillary-mucinous neoplasm carpal tunnel syndrome psoriasis cutaneous lupus erythematosus schizophrenia dengue shock syndrome Sjogren syndrome glioblastoma tuberculosis herpes zoster hypertensive disorder laryngeal squamous cell carcinoma metabolic syndrome X allergic rhinitis osteosarcoma breast cancer pilocytic astrocytoma cervical cancer psoriatic arthritis cystic fibrosis Severe Dengue esophageal adenocarcinoma squamous cell lung carcinoma Hashimoto thyroiditis HIV infectious disease interstitial cystitis liver disease malignant ependymoma myasthenia gravis anterior uveitis ovarian cancer breast carcinoma plasma cell myeloma Crohn disease rheumatoid arthritis sinusitis gastric carcinoma Stevens-Johnson syndrome hepatocellular carcinoma

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.