Annotations: 3U3S

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	TNFR_c6	e3u3sA1	A: few secondary structure elements	X: EGF-like	H: EGF-related	T: TNF receptor-like	F: TNFR_c6	ECOD (1.6)
A	TNFRSF11A_2nd,TNFRSF21	e3u3sA2	A: few secondary structure elements	X: EGF-like	H: EGF-related	T: TNF receptor-like	F: TNFRSF11A_2nd,TNFRSF21	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.10.50.10	Mainly Beta	Ribbon	Tumor Necrosis Factor Receptor, subunit A	domain 2	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00020	TNFR/NGFR cysteine-rich region (TNFR_c6)	TNFR/NGFR cysteine-rich region	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Tumor necrosis factor receptor superfamily member 21	-	negative regulation of lymphocyte proliferation multicellular organismal process regulation of cellular process regulation of leukocyte activation negative regulation of biological process regulation of cell activation lymphocyte activation negative regulation of lymphocyte activation leukocyte proliferation leukocyte activation negative regulation of mononuclear cell proliferation negative regulation of leukocyte proliferation regulation of B cell proliferation lymphocyte proliferation regulation of B cell activation negative regulation of lymphocyte proliferation multicellular organismal process regulation of cellular process regulation of leukocyte activation negative regulation of biological process regulation of cell activation lymphocyte activation negative regulation of lymphocyte activation leukocyte proliferation leukocyte activation negative regulation of mononuclear cell proliferation negative regulation of leukocyte proliferation regulation of B cell proliferation lymphocyte proliferation regulation of B cell activation negative regulation of cellular process regulation of multicellular organismal process regulation of immune system process negative regulation of B cell activation regulation of lymphocyte proliferation regulation of leukocyte proliferation regulation of biological process negative regulation of cell population proliferation cell population proliferation B cell activation biological regulation cell activation B cell proliferation negative regulation of B cell proliferation negative regulation of cell activation negative regulation of immune system process regulation of cell population proliferation mononuclear cell proliferation immune system process regulation of mononuclear cell proliferation cellular process negative regulation of multicellular organismal process negative regulation of leukocyte activation regulation of lymphocyte activation cellular response to stimulus immune response-regulating cell surface receptor signaling pathway response to stimulus 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 signal transduction positive regulation of immune system process cell surface receptor signaling pathway immune response-activating cell surface receptor signaling pathway immune response T cell receptor signaling pathway regulation of response to stimulus regulation of immune response antigen receptor-mediated signaling pathway activation of immune response adaptive immune response humoral immune response lymphocyte apoptotic process leukocyte apoptotic process B cell apoptotic process apoptotic process cell death programmed cell death negative regulation of interleukin-5 production cellular biosynthetic process negative regulation of cellular metabolic process regulation of interleukin-5 production organic substance metabolic process regulation of cytokine production organic substance biosynthetic process cytokine production interleukin-5 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 regulation of macromolecule biosynthetic process metabolic process macromolecule metabolic process regulation of metabolic process negative regulation of T cell proliferation negative regulation of cell adhesion T cell activation negative regulation of T cell activation negative regulation of leukocyte cell-cell adhesion negative regulation of cell-cell adhesion regulation of leukocyte cell-cell adhesion leukocyte cell-cell adhesion cell adhesion cell-cell adhesion regulation of cell-cell adhesion T cell proliferation regulation of cell adhesion regulation of T cell activation regulation of T cell proliferation negative regulation of nervous system process system process regulation of developmental process regulation of myelination regulation of system process regulation of nervous system development multicellular organism development axon ensheathment ensheathment of neurons anatomical structure development system development developmental process regulation of multicellular organismal development nervous system process nervous system development regulation of nervous system process myelination negative regulation of myelination negative regulation of interleukin-10 production interleukin-10 production regulation of interleukin-10 production response to organic substance response to cytokine cellular response to chemical stimulus cellular response to tumor necrosis factor response to chemical cellular response to cytokine stimulus cellular response to organic substance response to tumor necrosis factor neuron apoptotic process cellular developmental process regulation of glial cell differentiation regulation of cell differentiation neurogenesis central nervous system development gliogenesis oligodendrocyte differentiation glial cell differentiation cell differentiation regulation of oligodendrocyte differentiation neuron recognition cell projection organization cell development neuron projection development neuron projection fasciculation cellular component organization neuron differentiation axonal fasciculation cell recognition cellular component organization or biogenesis plasma membrane bounded cell projection organization axon development generation of neurons neuron development interleukin-13 production negative regulation of interleukin-13 production regulation of interleukin-13 production oligodendrocyte apoptotic process glial cell apoptotic process	cell periphery plasma membrane membrane cellular anatomical entity axon cell projection neuron projection plasma membrane bounded cell projection

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR022330	Tumour necrosis factor receptor 21	Family
A	IPR011029	Death-like domain superfamily	Homologous Superfamily
A	IPR000488	Death domain	Domain
A	IPR001368	TNFR/NGFR cysteine-rich region	Domain
A	IPR034037	Tumor necrosis factor receptor 21, death domain	Domain
A	IPR034034	Tumor necrosis factor receptor 21, N-terminal	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: O75509	amyotrophic lateral sclerosis prostate cancer Gliosis lung cancer malignant pancreatic neoplasm ovarian cancer pancreatic intraductal papillary-mucinous neoplasm pilocytic astrocytoma breast carcinoma diabetes mellitus Gaucher disease IgA glomerulonephritis large cell medulloblastoma lung carcinoma nasopharyngeal carcinoma amyotrophic lateral sclerosis prostate cancer Gliosis lung cancer malignant pancreatic neoplasm ovarian cancer pancreatic intraductal papillary-mucinous neoplasm pilocytic astrocytoma breast carcinoma diabetes mellitus Gaucher disease IgA glomerulonephritis large cell medulloblastoma lung carcinoma nasopharyngeal carcinoma pancreatic ductal adenocarcinoma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia pituitary cancer atypical teratoid rhabdoid tumor psoriasis cutaneous lupus erythematosus Duchenne muscular dystrophy glioblastoma interstitial cystitis lung adenocarcinoma malignant mesothelioma non-small cell lung carcinoma pancreatic intraductal papillary-mucinous carcinoma Pick disease Becker muscular dystrophy tuberculosis cystic fibrosis exocrine pancreatic carcinoma juvenile dermatomyositis

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.