3SE3 | pdb_00003se3

human IFNa2-IFNAR ternary complex

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
IMGT Antibody Annotation
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
C	SCOP2B Superfamily	Fibronectin type III	8055541	3002063	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Fibronectin type III	8055155	3002063	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)
C	V-set	e3se3C5	A: a/b three-layered sandwiches	X: Subtilisin-like	H: Subtilisin-like	T: Subtilisin-like	F: V-set	ECOD (v294.1)
B	Pkinase, APH	e3se3B1	A: a/b three-layered sandwiches	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: Pkinase, APH	ECOD (v294.1)
A	VEGFR-1-like_Ig-like	e3se3A2	A: a/b three-layered sandwiches	X: Fusion glycoprotein F2	H: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase	T: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase	F: VEGFR-1-like_Ig-like	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
B	1.20.1250.10	Mainly Alpha	Up-down Bundle	Growth Hormone	Chain: A	CATH (4.3.0)
A	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	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
C	IFNAR2 (Interferon alpha receptor 2)	2F-DOMAIN	Homo sapiens (human)	IFNAR2*01	F-LIKE-DOMAIN F-DOMAIN	RPI	2F-DOMAIN	IMGT (202611-0)
B	IFNA2 (Interferon alpha 2b)	IFNA2	Homo sapiens (human)	IFNA2*02	R-LIKE-DOMAIN IFNA2 (Pr24-188)	RPI	IFNA2	IMGT (202611-0)
A	IFNAR1 (Interferon alpha receptor 1)	4F-DOMAIN	Homo sapiens (human)	IFNAR1*01	F-LIKE-DOMAIN F-DOMAIN	RPI	4F-DOMAIN	IMGT (202611-0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
C	PF09294	Interferon-alpha/beta receptor, fibronectin type III (Interfer-bind)	Interferon-alpha/beta receptor, fibronectin type III	Members of this family adopt a secondary structure consisting of seven beta-strands arranged in an immunoglobulin-like beta-sandwich, in a Greek-key topology. They are required for binding to interferon-alpha [1].	Domain
A	PF09294	Interferon-alpha/beta receptor, fibronectin type III (Interfer-bind)	Interferon-alpha/beta receptor, fibronectin type III	Members of this family adopt a secondary structure consisting of seven beta-strands arranged in an immunoglobulin-like beta-sandwich, in a Greek-key topology. They are required for binding to interferon-alpha [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C	Interferon alpha/beta receptor 2	protein binding binding cytokine binding protein-macromolecule adaptor activity JAK pathway signal transduction adaptor activity molecular adaptor activity signaling adaptor activity kinase binding enzyme binding protein kinase binding molecular transducer activity transmembrane signaling receptor activity signaling receptor activity type I interferon receptor activity protein binding binding cytokine binding protein-macromolecule adaptor activity JAK pathway signal transduction adaptor activity molecular adaptor activity signaling adaptor activity kinase binding enzyme binding protein kinase binding molecular transducer activity transmembrane signaling receptor activity signaling receptor activity type I interferon receptor activity interferon receptor activity cytokine receptor activity immune receptor activity type I interferon binding interferon binding	cellular response to stimulus cell surface receptor signaling pathway via STAT regulation of biological process regulation of cellular process cell surface receptor signaling pathway response to stimulus signaling biological regulation cell communication cellular process signal transduction cell surface receptor signaling pathway via JAK-STAT biological process involved in interspecies interaction between organisms response to other organism cellular response to stimulus cell surface receptor signaling pathway via STAT regulation of biological process regulation of cellular process cell surface receptor signaling pathway response to stimulus signaling biological regulation cell communication cellular process signal transduction cell surface receptor signaling pathway via JAK-STAT biological process involved in interspecies interaction between organisms response to other organism response to external stimulus response to external biotic stimulus response to virus response to biotic stimulus response to peptide response to interferon-alpha response to chemical response to cytokine response to interferon-beta defense response to virus defense response response to stress cellular response to interferon-beta cellular response to cytokine stimulus cellular response to virus cytokine-mediated signaling pathway interferon-mediated signaling pathway cellular response to type I interferon innate immune response immune response defense response to symbiont immune system process defense response to other organism type I interferon-mediated signaling pathway response to type I interferon	protein-containing complex receptor complex cellular anatomical structure extracellular region cell periphery plasma membrane membrane extracellular space
B	Interferon alpha 2b	protein-containing complex binding protein binding binding type I interferon receptor binding signaling receptor binding cytokine receptor binding molecular function activator activity molecular function regulator activity cytokine activity signaling receptor regulator activity receptor ligand activity signaling receptor activator activity	regulation of cellular process negative regulation of biological process RNA metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process regulation of RNA metabolic process negative regulation of cellular process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process regulation of cellular process negative regulation of biological process RNA metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process regulation of RNA metabolic process negative regulation of cellular process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process negative regulation of macromolecule metabolic process regulation of biosynthetic process negative regulation of DNA-templated transcription regulation of biological process negative regulation of metabolic process biological regulation primary metabolic process regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process regulation of gene expression biosynthetic process negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process metabolic process cellular process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of DNA-templated transcription regulation of metabolic process negative regulation of RNA metabolic process response to stimulus immune response immune system process adaptive immune response multicellular organismal process biological process involved in interspecies interaction between organisms lymphocyte activation cell activation involved in immune response response to biotic stimulus leukocyte activation response to stress natural killer cell activation involved in immune response leukocyte activation involved in immune response innate immune response response to external biotic stimulus lymphocyte activation involved in immune response response to other organism defense response cell activation defense response to symbiont response to external stimulus natural killer cell activation immune effector process defense response to other organism humoral immune response cellular response to stimulus cell surface receptor signaling pathway via STAT cell surface receptor signaling pathway signaling cell communication signal transduction response to chemical response to dsRNA response to nitrogen compound response to exogenous dsRNA regulation of leukocyte differentiation regulation of leukocyte activation regulation of cell activation mononuclear cell differentiation regulation of cell differentiation lymphocyte differentiation regulation of cell development negative regulation of cell adhesion multicellular organism development negative regulation of T cell differentiation T cell activation cell differentiation anatomical structure development T cell differentiation regulation of immune system process negative regulation of hemopoiesis developmental process negative regulation of leukocyte differentiation negative regulation of T cell activation negative regulation of leukocyte cell-cell adhesion negative regulation of cell-cell adhesion negative regulation of lymphocyte differentiation regulation of leukocyte cell-cell adhesion negative regulation of multicellular organismal process negative regulation of leukocyte activation leukocyte differentiation cellular developmental process regulation of developmental process cell development negative regulation of lymphocyte activation leukocyte cell-cell adhesion regulation of T cell differentiation cell adhesion cell-cell adhesion regulation of multicellular organismal process negative regulation of cell differentiation regulation of cell-cell adhesion regulation of lymphocyte differentiation regulation of multicellular organismal development hemopoiesis negative regulation of developmental process regulation of cell adhesion regulation of T cell activation negative regulation of cell activation negative regulation of cell development negative regulation of immune system process regulation of hemopoiesis regulation of lymphocyte activation negative regulation of interleukin-5 production regulation of interleukin-5 production regulation of cytokine production cytokine production interleukin-5 production negative regulation of cytokine production negative regulation of gene expression apoptotic process cell death programmed cell death host-mediated suppression of symbiont invasion host-mediated perturbation of symbiont process modulation of process of another organism cell-cell signaling 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 T-helper 2 cell cytokine production negative regulation of lymphocyte mediated immunity T cell cytokine production type 2 immune response regulation of T-helper 2 cell cytokine production regulation of type 2 immune response leukocyte mediated immunity negative regulation of T-helper 2 cell cytokine production regulation of T cell mediated immunity negative regulation of cytokine production involved in immune response regulation of cytokine production involved in immune response regulation of adaptive immune response negative regulation of immune response negative regulation of immune effector process negative regulation of adaptive immune response negative regulation of adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains negative regulation of type 2 immune response regulation of leukocyte mediated immunity negative regulation of production of molecular mediator of immune response regulation of response to stimulus regulation of immune response regulation of production of molecular mediator of immune response negative regulation of T cell mediated immunity negative regulation of T cell cytokine production regulation of T cell cytokine production CD4-positive, alpha-beta T cell cytokine production regulation of adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains cytokine production involved in immune response production of molecular mediator of immune response negative regulation of response to stimulus regulation of lymphocyte mediated immunity negative regulation of leukocyte mediated immunity inflammatory response T cell activation involved in immune response B cell activation B cell activation involved in immune response defense response to virus response to virus interleukin-13 production negative regulation of interleukin-13 production regulation of interleukin-13 production cellular response to virus response to cytokine cytokine-mediated signaling pathway interferon-mediated signaling pathway cellular response to type I interferon cellular response to cytokine stimulus response to peptide type I interferon-mediated signaling pathway response to type I interferon	cell periphery extracellular matrix cellular anatomical structure external encapsulating structure extracellular region extracellular space
A	Interferon alpha/beta receptor 1	protein binding binding cytokine binding protein-macromolecule adaptor activity JAK pathway signal transduction adaptor activity molecular adaptor activity signaling adaptor activity molecular transducer activity transmembrane signaling receptor activity signaling receptor activity type I interferon receptor activity interferon receptor activity cytokine receptor activity immune receptor activity protein binding binding cytokine binding protein-macromolecule adaptor activity JAK pathway signal transduction adaptor activity molecular adaptor activity signaling adaptor activity molecular transducer activity transmembrane signaling receptor activity signaling receptor activity type I interferon receptor activity interferon receptor activity cytokine receptor activity immune receptor activity type I interferon binding interferon binding	cellular response to stimulus cell surface receptor signaling pathway via STAT regulation of biological process regulation of cellular process cell surface receptor signaling pathway response to stimulus signaling biological regulation cell communication cellular process signal transduction cell surface receptor signaling pathway via JAK-STAT biological process involved in interspecies interaction between organisms response to other organism cellular response to stimulus cell surface receptor signaling pathway via STAT regulation of biological process regulation of cellular process cell surface receptor signaling pathway response to stimulus signaling biological regulation cell communication cellular process signal transduction cell surface receptor signaling pathway via JAK-STAT biological process involved in interspecies interaction between organisms response to other organism response to external stimulus response to external biotic stimulus response to virus response to biotic stimulus cellular respiration energy derivation by oxidation of organic compounds positive regulation of biological process regulation of generation of precursor metabolites and energy generation of precursor metabolites and energy regulation of cellular respiration positive regulation of cellular respiration positive regulation of metabolic process metabolic process regulation of metabolic process positive regulation of cellular process cellular response to interferon-beta response to peptide response to interferon-beta response to chemical response to cytokine cellular response to cytokine stimulus response to lipid response to oxygen-containing compound response to lipopolysaccharide response to bacterium response to molecule of bacterial origin response to interferon-alpha cellular response to interferon-alpha cellular response to virus cytokine-mediated signaling pathway interferon-mediated signaling pathway cellular response to type I interferon response to stress innate immune response immune response defense response defense response to symbiont immune system process defense response to other organism type I interferon-mediated signaling pathway response to type I interferon	protein-containing complex receptor complex cell periphery cellular anatomical structure plasma membrane membrane membrane-bounded organelle intracellular anatomical structure endosome intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle cytoplasmic vesicle protein-containing complex receptor complex cell periphery cellular anatomical structure plasma membrane membrane membrane-bounded organelle intracellular anatomical structure endosome intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle cytoplasmic vesicle organelle late endosome cytoplasm vesicle lytic vacuole vacuole lysosome

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C	IPR050650	Type-II_Cytokine-TF_Rcpt	Unknown
C	IPR003961	Fibronectin type III	Domain
C	IPR015373	Interferon/interleukin receptor domain	Domain
C	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
C	IPR036116	Fibronectin type III superfamily	Homologous Superfamily
B	IPR000471	Interferon alpha/beta/delta	Family
B	IPR009079	Four-helical cytokine-like, core	Homologous Superfamily
A	IPR050650	Type-II_Cytokine-TF_Rcpt	Unknown
A	IPR003961	Fibronectin type III	Domain
A	IPR016669	Interferon alpha/beta receptor 1	Family
A	IPR015373	Interferon/interleukin receptor domain	Domain
A	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A	IPR036116	Fibronectin type III superfamily	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
C	Pharos: P48551	immunodeficiency 45 hepatitis B virus infection primary immunodeficiency with post-measles-mumps-rubella vaccine viral infection rheumatoid arthritis acquired polycythemia vera Chronic type B viral hepatitis gastric carcinoma lung cancer ovarian cancer Pick disease psoriasis atypical teratoid rhabdoid tumor cutaneous lupus erythematosus glioblastoma intellectual disability immunodeficiency 45 hepatitis B virus infection primary immunodeficiency with post-measles-mumps-rubella vaccine viral infection rheumatoid arthritis acquired polycythemia vera Chronic type B viral hepatitis gastric carcinoma lung cancer ovarian cancer Pick disease psoriasis atypical teratoid rhabdoid tumor cutaneous lupus erythematosus glioblastoma intellectual disability medulloblastoma pancreatic ductal adenocarcinoma pilocytic astrocytoma relapsing-remitting multiple sclerosis Down syndrome large cell medulloblastoma osteosarcoma pancreatic intraductal papillary-mucinous neoplasm
B	Pharos: P01563	hepatitis C virus infection chronic myelogenous leukemia, BCR-ABL1 positive plasma cell myeloma renal cell carcinoma essential thrombocythemia neutropenia transitional cell carcinoma Vogt-Koyanagi-Harada disease Stevens-Johnson syndrome thrombocytopenia melanoma leukopenia follicular lymphoma glioblastoma acquired polycythemia vera hepatitis C virus infection chronic myelogenous leukemia, BCR-ABL1 positive plasma cell myeloma renal cell carcinoma essential thrombocythemia neutropenia transitional cell carcinoma Vogt-Koyanagi-Harada disease Stevens-Johnson syndrome thrombocytopenia melanoma leukopenia follicular lymphoma glioblastoma acquired polycythemia vera squamous cell carcinoma adult T-cell leukemia/lymphoma epithelioid hemangioendothelioma hypertriglyceridemia Fatigue sarcomatoid renal cell carcinoma urinary bladder cancer somatization disorder hepatitis anemia stomatitis thyroid adenoma melancholia Raynaud disease endogenous depression Hodgkins lymphoma retinal detachment intestinal perforation myocardial infarction chronic hepatitis B virus infection giant cell glioblastoma collecting duct carcinoma somatoform disorder papillary renal cell carcinoma hepatitis B virus infection substance withdrawal syndrome retinal disease kidney failure chromophobe renal cell carcinoma skin disease colorectal cancer hemolytic anemia polyomavirus infectious disease pterygium anterior ischemic optic neuropathy thyroid gland carcinoma renal carcinoma reticulum cell sarcoma myeloid neoplasm neurotic disorder toxic epidermal necrolysis non-Hodgkin lymphoma acute kidney failure colorectal carcinoma pancreatic neoplasm acute T cell leukemia depressive disorder anxiety disorder Hodgkin's lymphoma, lymphocytic-histiocytic predominance cancer urinary bladder neoplasm cutaneous melanoma plasma cell neoplasm psychiatric disorder thyroid cancer Hodgkin's lymphoma, mixed cellularity drug-induced liver injury epilepsy Huntington disease familial polycythemia fatty liver disease sarcoidosis chronic hepatitis C virus infection nodular lymphocyte predominant Hodgkin lymphoma clear cell renal carcinoma lymphosarcoma malignant pancreatic neoplasm diarrheal disease Hodgkin's lymphoma, lymphocytic depletion
A	Pharos: P17181	psoriasis systemic lupus erythematosus Virus Diseases acquired polycythemia vera Crohn disease inflammatory bowel disease malignant pancreatic neoplasm ovarian cancer relapsing-remitting multiple sclerosis tuberculosis exocrine pancreatic carcinoma influenza microphthalmia with limb anomalies pancreatic ductal adenocarcinoma rheumatoid arthritis psoriasis systemic lupus erythematosus Virus Diseases acquired polycythemia vera Crohn disease inflammatory bowel disease malignant pancreatic neoplasm ovarian cancer relapsing-remitting multiple sclerosis tuberculosis exocrine pancreatic carcinoma influenza microphthalmia with limb anomalies pancreatic ductal adenocarcinoma rheumatoid arthritis viral infectious disease Down syndrome hepatocellular carcinoma large cell medulloblastoma osteosarcoma

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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.