Annotations: 2ERS

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d2ersa1	Small proteins	Complement control module/SCR domain	Complement control module/SCR domain	Complement control module/SCR domain	Interleukin-15 receptor subunit alpha	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	Sushi/CCP/SCR domain	8038016	3000902	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	Sushi	e2ersA2	A: few secondary structure elements	X: EGF-like	H: EGF-related	T: Complement control module/SCR domain	F: Sushi	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.20.28.230	Mainly Beta	Single Sheet	Rubrerythrin, domain 2		CATH (4.3.0)

IMGT Antibody Annotation IMGT Database Homepage

Chain	Protein Name	Description	Organism Name	Gene Allele Name(s)	Domain Name(s)	Receptor Type	Receptor Description	Provenance Source
A	Interleukin-15 receptor subunit alpha	1F-DOMAIN	Homo sapiens (human)	IL15RA*01	F-LIKE-DOMAIN F-DOMAIN	RPI	1F-DOMAIN	IMGT (202548-0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Interleukin-15 receptor alpha chain	molecular transducer activity transmembrane signaling receptor activity signaling receptor activity cytokine receptor activity immune receptor activity protein binding binding kinase binding enzyme binding protein kinase binding interleukin-15 receptor activity	interleukin-15-mediated signaling pathway cellular response to stimulus regulation of biological process regulation of cellular process response to stimulus cell surface receptor signaling pathway signaling biological regulation response to cytokine cellular response to interleukin-15 cytokine-mediated signaling pathway cell communication response to peptide response to chemical interleukin-15-mediated signaling pathway cellular response to stimulus regulation of biological process regulation of cellular process response to stimulus cell surface receptor signaling pathway signaling biological regulation response to cytokine cellular response to interleukin-15 cytokine-mediated signaling pathway cell communication response to peptide response to chemical cellular response to cytokine stimulus cellular process signal transduction response to interleukin-15 multicellular organismal process regulation of leukocyte differentiation regulation of leukocyte activation regulation of cell activation regulation of cell differentiation mononuclear cell differentiation lymphocyte differentiation regulation of cell development positive regulation of developmental process multicellular organism development positive regulation of cell activation cell differentiation anatomical structure development positive regulation of leukocyte activation regulation of immune system process regulation of natural killer cell activation positive regulation of immune system process natural killer cell differentiation developmental process positive regulation of cell development positive regulation of natural killer cell activation natural killer cell activation positive regulation of multicellular organismal process leukocyte differentiation cellular developmental process regulation of developmental process positive regulation of biological process cell development lymphocyte activation leukocyte activation positive regulation of lymphocyte activation regulation of natural killer cell differentiation positive regulation of hemopoiesis positive regulation of cell differentiation regulation of multicellular organismal process positive regulation of cellular process regulation of lymphocyte differentiation regulation of multicellular organismal development hemopoiesis positive regulation of natural killer cell differentiation cell activation immune system process regulation of hemopoiesis positive regulation of leukocyte differentiation positive regulation of lymphocyte differentiation regulation of lymphocyte activation cell surface receptor signaling pathway via STAT cell surface receptor signaling pathway via JAK-STAT response to nutrient levels regulation of localization import into cell positive regulation of cellular component organization regulation of cellular component organization transport vesicle-mediated transport cellular component organization localization positive regulation of endocytosis phagocytosis cellular component organization or biogenesis regulation of endocytosis regulation of transport regulation of phagocytosis regulation of vesicle-mediated transport establishment of localization positive regulation of phagocytosis positive regulation of transport endocytosis regulation of neuron projection development cell projection organization negative regulation of biological process neuron projection development neurogenesis neuron differentiation negative regulation of cellular process negative regulation of cell projection organization system development plasma membrane bounded cell projection organization negative regulation of cellular component organization regulation of cell projection organization nervous system development negative regulation of neuron projection development generation of neurons neuron development regulation of plasma membrane bounded cell projection organization	membrane-bounded organelle intracellular anatomical structure membrane intracellular vesicle intracellular membrane-bounded organelle intracellular organelle cytoplasmic vesicle membrane cellular anatomical structure vesicle membrane cytoplasmic vesicle organelle cytoplasm vesicle organelle membrane membrane-bounded organelle intracellular anatomical structure membrane intracellular vesicle intracellular membrane-bounded organelle intracellular organelle cytoplasmic vesicle membrane cellular anatomical structure vesicle membrane cytoplasmic vesicle organelle cytoplasm vesicle organelle membrane endosome endomembrane system extracellular region Golgi membrane Golgi apparatus bounding membrane of organelle nuclear membrane nucleus organelle envelope nuclear envelope cell surface cytosol cell periphery plasma membrane organelle subcompartment endoplasmic reticulum subcompartment nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum endoplasmic reticulum membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR000436	Sushi/SCR/CCP domain	Domain
A	IPR042372	Interleukin-15 receptor subunit alpha	Family
A	IPR035976	Sushi/SCR/CCP superfamily	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: Q13261	allergic rhinitis atopic eczema Hashimoto thyroiditis interstitial cystitis malignant mesothelioma sclerosing cholangitis alopecia areata Crohn disease hypothyroidism juvenile idiopathic arthritis marginal zone lymphoma ulcerative colitis asthma cutaneous lupus erythematosus inflammatory bowel disease allergic rhinitis atopic eczema Hashimoto thyroiditis interstitial cystitis malignant mesothelioma sclerosing cholangitis alopecia areata Crohn disease hypothyroidism juvenile idiopathic arthritis marginal zone lymphoma ulcerative colitis asthma cutaneous lupus erythematosus inflammatory bowel disease lung cancer osteosarcoma vitiligo

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.