Annotations: 6UMT

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d6umta_	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	Programmed cell death protein 1, PD1, extracellular domain	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B	d6umtb_	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	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	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8059477	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	V-set_4	e6umtA1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set_4	ECOD (1.6)
B	I-set_7	e6umtB1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: I-set_7	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
B	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	PF07686	Immunoglobulin V-set domain (V-set)	Immunoglobulin V-set domain	This domain is found in antibodies as well as neural protein P0 and CTL4 amongst others.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Programmed cell death protein 1	-	response to stimulus immune response immune system process adaptive immune response humoral immune response lymphocyte apoptotic process leukocyte apoptotic process B cell apoptotic process cellular process apoptotic process cell death programmed cell death regulation of biological process negative regulation of response to stimulus response to stimulus immune response immune system process adaptive immune response humoral immune response lymphocyte apoptotic process leukocyte apoptotic process B cell apoptotic process cellular process apoptotic process cell death programmed cell death regulation of biological process negative regulation of response to stimulus negative regulation of immune response biological regulation negative regulation of biological process regulation of response to stimulus negative regulation of immune system process regulation of immune response regulation of immune system process immune system development developmental process multicellular organismal process regulation of developmental process negative regulation of developmental process multicellular organism development anatomical structure development negative regulation of tolerance induction regulation of multicellular organismal process regulation of tolerance induction negative regulation of multicellular organismal process tolerance induction system development T cell apoptotic process regulatory T cell apoptotic process regulation of leukocyte apoptotic process regulation of lymphocyte apoptotic process regulation of cellular process positive regulation of programmed cell death positive regulation of lymphocyte apoptotic process regulation of apoptotic process positive regulation of biological process regulation of programmed cell death positive regulation of apoptotic process positive regulation of T cell apoptotic process regulation of T cell apoptotic process positive regulation of leukocyte apoptotic process positive regulation of cellular process regulation of B cell apoptotic process negative regulation of programmed cell death negative regulation of B cell apoptotic process negative regulation of apoptotic process negative regulation of leukocyte apoptotic process negative regulation of cellular process negative regulation of lymphocyte apoptotic process	cell periphery cell surface membrane plasma membrane cellular anatomical entity external side of plasma membrane side of membrane
B	Programmed cell death 1 ligand 2	-	cellular response to stimulus regulation of biological process regulation of cellular process cell surface receptor signaling pathway response to stimulus signaling biological regulation cellular process signal transduction cell communication negative regulation of lymphocyte proliferation multicellular organismal process regulation of leukocyte activation negative regulation of biological process cellular response to stimulus regulation of biological process regulation of cellular process cell surface receptor signaling pathway response to stimulus signaling biological regulation cellular process signal transduction cell communication negative regulation of lymphocyte proliferation multicellular organismal process regulation of leukocyte activation negative regulation of biological process regulation of cell activation negative regulation of T cell proliferation negative regulation of cell adhesion negative regulation of leukocyte proliferation T cell activation lymphocyte proliferation regulation of immune system process regulation of leukocyte proliferation cell population proliferation negative regulation of T cell activation negative regulation of leukocyte cell-cell adhesion regulation of cell population proliferation mononuclear cell proliferation negative regulation of cell-cell adhesion regulation of leukocyte cell-cell adhesion negative regulation of multicellular organismal process negative regulation of leukocyte activation regulation of activated T cell proliferation lymphocyte activation negative regulation of lymphocyte activation leukocyte proliferation leukocyte cell-cell adhesion leukocyte activation activated T cell proliferation negative regulation of mononuclear cell proliferation cell adhesion cell-cell adhesion negative regulation of cellular process regulation of multicellular organismal process regulation of cell-cell adhesion T cell proliferation regulation of lymphocyte proliferation negative regulation of cell population proliferation regulation of cell adhesion cell activation regulation of T cell activation negative regulation of cell activation regulation of T cell proliferation negative regulation of activated T cell proliferation negative regulation of immune system process immune system process regulation of mononuclear cell proliferation regulation of lymphocyte activation immune response adaptive immune response regulation of type II interferon production type II interferon production cellular biosynthetic process negative regulation of cellular metabolic process organic substance metabolic process cytokine production organic substance biosynthetic process regulation of cytokine production negative regulation of type II interferon production negative regulation of macromolecule metabolic process regulation of biosynthetic process cellular metabolic process negative regulation of metabolic process regulation of cellular metabolic process negative regulation of cytokine production regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process negative regulation of cellular biosynthetic process regulation of cellular biosynthetic process regulation of gene expression negative regulation of gene expression biosynthetic process negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process metabolic process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of metabolic process positive regulation of biological process positive regulation of leukocyte cell-cell adhesion positive regulation of cell-cell adhesion positive regulation of lymphocyte activation positive regulation of cell activation positive regulation of leukocyte activation positive regulation of immune system process positive regulation of cellular process positive regulation of T cell activation positive regulation of cell adhesion lymphocyte costimulation positive regulation of multicellular organismal process T cell costimulation response to organic substance biological process involved in interspecies interaction between organisms response to lipid response to other organism cellular response to lipopolysaccharide response to oxygen-containing compound response to external stimulus cellular response to molecule of bacterial origin response to lipopolysaccharide cellular response to oxygen-containing compound response to biotic stimulus cellular response to biotic stimulus cellular response to chemical stimulus response to chemical response to bacterium cellular response to lipid cellular response to organic substance response to external biotic stimulus response to molecule of bacterial origin positive regulation of cell population proliferation positive regulation of lymphocyte proliferation positive regulation of T cell proliferation positive regulation of leukocyte proliferation positive regulation of mononuclear cell proliferation negative regulation of interleukin-10 production interleukin-10 production regulation of interleukin-10 production	cellular anatomical entity endomembrane system cell periphery cell surface membrane plasma membrane external side of plasma membrane side of membrane extracellular region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
A	IPR003599	Immunoglobulin subtype	Domain
A	IPR042379	Programmed cell death protein 1	Family
A	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A	IPR013106	Immunoglobulin V-set domain	Domain
A	IPR007110	Immunoglobulin-like domain	Domain
B	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
B	IPR003599	Immunoglobulin subtype	Domain
B	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
B	IPR013162	CD80-like, immunoglobulin C2-set	Domain
B	IPR007110	Immunoglobulin-like domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: Q15116	melanoma systemic lupus erythematosus lymphatic system disease Malignant tumor of head and/or neck multiple sclerosis, susceptibility to 1 allergic rhinitis psoriasis brain aneurysm squamous cell lung carcinoma cancer transitional cell carcinoma Crohn disease esophageal squamous cell carcinoma hematologic disease lung disease melanoma systemic lupus erythematosus lymphatic system disease Malignant tumor of head and/or neck multiple sclerosis, susceptibility to 1 allergic rhinitis psoriasis brain aneurysm squamous cell lung carcinoma cancer transitional cell carcinoma Crohn disease esophageal squamous cell carcinoma hematologic disease lung disease malignant pleural mesothelioma non-small cell lung carcinoma asthma skin disease brain glioma cutaneous melanoma gastric cancer kidney disease lupus erythematosus multiple sclerosis ovarian cancer autoimmune disease squamous cell carcinoma breast disease systemic lupus erythematosus, susceptibility to, 2 connective tissue disease endometrial carcinoma head and neck cancer liver disease
B	Pharos: Q9BQ51	cancer interstitial cystitis lung carcinoma polycystic ovary syndrome Hashimoto thyroiditis lung adenocarcinoma lung disease hypothyroidism lung cancer malignant mesothelioma

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.