4DOH

IL20/IL201/IL20R2 Ternary Complex

External Resource: Annotation

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d4doha1	All alpha proteins	4-helical cytokines	4-helical cytokines	automated matches	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d4doha2	Artifacts	Tags	Tags	Tags	N-terminal Tags	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
D [auth C]	d4dohc1	All alpha proteins	4-helical cytokines	4-helical cytokines	automated matches	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
D [auth C]	d4dohc2	Artifacts	Tags	Tags	Tags	N-terminal Tags	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	Interferons/interleukin-10 (IL-10)	8071465	4000854	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	4-helical cytokines	8071466	3001717	SCOP2 (2022-06-29)
D [auth C]	SCOP2B Superfamily	4-helical cytokines	8071466	3001717	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	IL10	e4dohA1	A: alpha bundles	X: Ferritin/Heme oxygenase/4-helical cytokines	H: 4-helical cytokines (From Topology)	T: 4-helical cytokines	F: IL10	ECOD (1.6)
D [auth C]	IL10	e4dohC1	A: alpha bundles	X: Ferritin/Heme oxygenase/4-helical cytokines	H: 4-helical cytokines (From Topology)	T: 4-helical cytokines	F: IL10	ECOD (1.6)
B	Tissue_fac	e4dohB3	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Tissue_fac	ECOD (1.6)
B	Interfer-bind_1	e4dohB4	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Interfer-bind_1	ECOD (1.6)
E [auth D]	Tissue_fac	e4dohD2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Tissue_fac	ECOD (1.6)
E [auth D]	Interfer-bind_1	e4dohD1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Interfer-bind_1	ECOD (1.6)
C [auth R]	Interfer-bind	e4dohR2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Interfer-bind	ECOD (1.6)
C [auth R]	Tissue_fac	e4dohR1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Tissue_fac	ECOD (1.6)
F [auth E]	Interfer-bind	e4dohE4	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Interfer-bind	ECOD (1.6)
F [auth E]	Tissue_fac	e4dohE3	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Tissue_fac	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.20.1250.10	Mainly Alpha	Up-down Bundle	Growth Hormone	Chain: A	CATH (4.3.0)
D [auth C]	1.20.1250.10	Mainly Alpha	Up-down Bundle	Growth Hormone	Chain: A	CATH (4.3.0)
B	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
E [auth D]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
C [auth R]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
F [auth E]	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
B, E [auth D]	IL20RB	2F-DOMAIN	Homo sapiens (human)	IL20RB*01	F-LIKE-DOMAIN F-DOMAIN	RPI	2F-DOMAIN	IMGT (202449-0)
C [auth R], F [auth E]	IL20RA	2F-DOMAIN	Homo sapiens (human)	IL20RA*01	F-LIKE-DOMAIN F-DOMAIN	RPI	2F-DOMAIN	IMGT (202449-0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, D [auth C]	PF00726	Interleukin 10 (IL10)	Interleukin 10	-	Domain
B, E [auth D]	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
C [auth R], F [auth E]	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
A, D [auth C]	Interleukin-20	protein binding binding interleukin-22 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 interleukin-20 receptor binding	regulation of defense response regulation of biological process response to stimulus regulation of response to external stimulus defense response biological regulation regulation of inflammatory response response to external stimulus regulation of response to stimulus response to stress regulation of response to stress inflammatory response cellular response to stimulus regulation of cellular process regulation of defense response regulation of biological process response to stimulus regulation of response to external stimulus defense response biological regulation regulation of inflammatory response response to external stimulus regulation of response to stimulus response to stress regulation of response to stress inflammatory response cellular response to stimulus regulation of cellular process positive regulation of phosphorylation positive regulation of phosphate metabolic process cell communication regulation of primary metabolic process positive regulation of metabolic process regulation of phosphate metabolic process peptidyl-amino acid modification phosphate-containing compound metabolic process positive regulation of macromolecule metabolic process signal transduction protein modification process phosphorus metabolic process positive regulation of protein phosphorylation tyrosine phosphorylation of STAT protein protein phosphorylation positive regulation of phosphorus metabolic process phosphorylation regulation of protein metabolic process primary metabolic process macromolecule modification metabolic process regulation of phosphorus metabolic process macromolecule metabolic process regulation of metabolic process cell surface receptor signaling pathway via STAT regulation of protein modification process signaling regulation of protein phosphorylation positive regulation of protein metabolic process positive regulation of biological process peptidyl-tyrosine modification positive regulation of peptidyl-tyrosine phosphorylation positive regulation of protein modification process protein metabolic process positive regulation of cellular process cell surface receptor signaling pathway regulation of tyrosine phosphorylation of STAT protein regulation of peptidyl-tyrosine phosphorylation regulation of macromolecule metabolic process positive regulation of tyrosine phosphorylation of STAT protein cellular process regulation of phosphorylation peptidyl-tyrosine phosphorylation cell surface receptor signaling pathway via JAK-STAT developmental process myeloid leukocyte differentiation cellular developmental process hemopoiesis cell development myeloid cell differentiation cell differentiation osteoclast differentiation anatomical structure development leukocyte differentiation multicellular organismal process positive regulation of keratinocyte differentiation regulation of developmental process regulation of epidermal cell differentiation epidermis development regulation of cell differentiation epithelial cell differentiation regulation of epithelial cell differentiation positive regulation of developmental process multicellular organism development positive regulation of cell differentiation regulation of multicellular organismal process epithelium development regulation of multicellular organismal development epidermal cell differentiation animal organ development positive regulation of epidermis development tissue development positive regulation of epithelial cell differentiation skin development keratinocyte differentiation positive regulation of multicellular organismal process regulation of epidermis development regulation of keratinocyte differentiation positive regulation of epidermal cell differentiation regulation of leukocyte differentiation positive regulation of osteoclast differentiation regulation of cell development regulation of osteoclast differentiation positive regulation of hemopoiesis regulation of immune system process positive regulation of immune system process regulation of myeloid cell differentiation positive regulation of cell development regulation of myeloid leukocyte differentiation positive regulation of myeloid leukocyte differentiation immune system process positive regulation of myeloid cell differentiation regulation of hemopoiesis positive regulation of leukocyte differentiation	cellular anatomical structure extracellular region extracellular space
B, E [auth D]	Interleukin-20 receptor subunit beta	molecular transducer activity transmembrane signaling receptor activity signaling receptor activity cytokine receptor activity immune receptor activity protein binding binding interleukin-20 binding cytokine binding	CD8-positive, alpha-beta T cell homeostasis multicellular organismal process multicellular organismal-level homeostasis leukocyte homeostasis T cell homeostasis homeostatic process immune system process homeostasis of number of cells lymphocyte homeostasis cell population proliferation cell activation lymphocyte activation leukocyte proliferation leukocyte activation CD8-positive, alpha-beta T cell homeostasis multicellular organismal process multicellular organismal-level homeostasis leukocyte homeostasis T cell homeostasis homeostatic process immune system process homeostasis of number of cells lymphocyte homeostasis cell population proliferation cell activation lymphocyte activation leukocyte proliferation leukocyte activation mononuclear cell proliferation T cell activation lymphocyte proliferation cellular process T cell proliferation 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 cytokine-mediated signaling pathway cell communication response to peptide response to chemical cellular response to cytokine stimulus signal transduction homeostasis of number of cells within a tissue anatomical structure homeostasis tissue homeostasis defense response immune response response to stress inflammatory response inflammatory response to antigenic stimulus negative regulation of biological process negative regulation of interleukin-2 production regulation of cytokine production cytokine production negative regulation of cellular process regulation of multicellular organismal process negative regulation of macromolecule metabolic process regulation of biosynthetic process regulation of interleukin-2 production negative regulation of metabolic process interleukin-2 production negative regulation of cytokine production regulation of macromolecule metabolic process gene expression macromolecule 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 negative regulation of multicellular organismal process regulation of metabolic process positive regulation of biological process interleukin-10 production positive regulation of macromolecule biosynthetic process positive regulation of metabolic process positive regulation of biosynthetic process positive regulation of macromolecule metabolic process regulation of interleukin-10 production positive regulation of cellular process positive regulation of interleukin-10 production positive regulation of gene expression positive regulation of multicellular organismal process positive regulation of cytokine production regulation of type II interferon production type II interferon production negative regulation of type II interferon production adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains lymphocyte mediated immunity regulation of immune effector process regulation of acute inflammatory response to antigenic stimulus T cell mediated immunity negative regulation of lymphocyte mediated immunity leukocyte mediated immunity regulation of immune system process negative regulation of inflammatory response to antigenic stimulus regulation of T cell mediated immunity hypersensitivity regulation of adaptive immune response negative regulation of immune response negative regulation of immune effector process response to external stimulus regulation of inflammatory response negative regulation of adaptive immune response immune effector process negative regulation of adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains negative regulation of hypersensitivity regulation of leukocyte mediated immunity regulation of response to stimulus negative regulation of response to external stimulus negative regulation of defense response regulation of immune response regulation of acute inflammatory response negative regulation of T cell mediated immunity regulation of defense response negative regulation of type IV hypersensitivity negative regulation of acute inflammatory response regulation of response to external stimulus negative regulation of inflammatory response negative regulation of acute inflammatory response to antigenic stimulus regulation of adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains regulation of response to stress regulation of type IV hypersensitivity acute inflammatory response regulation of hypersensitivity negative regulation of response to stimulus regulation of inflammatory response to antigenic stimulus type IV hypersensitivity acute inflammatory response to antigenic stimulus adaptive immune response regulation of lymphocyte mediated immunity negative regulation of immune system process negative regulation of leukocyte mediated immunity negative regulation of lymphocyte proliferation regulation of leukocyte activation regulation of cell activation negative regulation of T cell proliferation negative regulation of cell adhesion negative regulation of leukocyte proliferation regulation of leukocyte proliferation negative regulation of T cell activation negative regulation of leukocyte cell-cell adhesion regulation of cell population proliferation negative regulation of cell-cell adhesion regulation of leukocyte cell-cell adhesion negative regulation of leukocyte activation negative regulation of lymphocyte activation leukocyte cell-cell adhesion negative regulation of mononuclear cell proliferation cell adhesion cell-cell adhesion regulation of cell-cell adhesion regulation of lymphocyte proliferation negative regulation of cell population proliferation regulation of cell adhesion regulation of T cell activation negative regulation of cell activation regulation of T cell proliferation regulation of mononuclear cell proliferation regulation of lymphocyte activation regulation of interleukin-4 production positive regulation of interleukin-4 production interleukin-4 production immune response-regulating signaling pathway immune response-inhibiting signal transduction	cell periphery cellular anatomical structure plasma membrane membrane
C [auth R], F [auth E]	Interleukin-20 receptor subunit alpha	molecular transducer activity transmembrane signaling receptor activity signaling receptor activity cytokine receptor activity immune receptor activity protein binding binding interleukin-20 binding cytokine binding	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 cytokine-mediated signaling pathway cell communication response to peptide response to chemical cellular response to cytokine stimulus cellular process 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 cytokine-mediated signaling pathway cell communication response to peptide response to chemical cellular response to cytokine stimulus cellular process signal transduction multicellular organismal process homeostatic process regulation of bone remodeling tissue homeostasis regulation of tissue remodeling regulation of bone resorption bone resorption multicellular organismal-level homeostasis tissue remodeling bone remodeling anatomical structure homeostasis regulation of multicellular organismal process positive regulation of cell communication positive regulation of signal transduction positive regulation of biological process regulation of signal transduction regulation of programmed cell death regulation of intrinsic apoptotic signaling pathway intracellular signal transduction positive regulation of apoptotic signaling pathway positive regulation of response to stimulus regulation of intracellular signal transduction intrinsic apoptotic signaling pathway positive regulation of cellular process regulation of signaling positive regulation of programmed cell death regulation of apoptotic process positive regulation of intracellular signal transduction cell death positive regulation of apoptotic process apoptotic signaling pathway regulation of response to stimulus regulation of cell communication positive regulation of intrinsic apoptotic signaling pathway apoptotic process programmed cell death regulation of apoptotic signaling pathway positive regulation of signaling	cell periphery cellular anatomical structure plasma membrane membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, D [auth C]	IPR020442	Interleukin-20	Family
A, D [auth C]	IPR009079	Four-helical cytokine-like, core	Homologous Superfamily
A, D [auth C]	IPR050594	IL-10_family_cytokines	Unknown
A, D [auth C]	IPR020443	Interleukin-10/19/20/24/26	Family
A, D [auth C]	IPR020423	Interleukin-10, conserved site	Conserved Site
B, E [auth D]	IPR003961	Fibronectin type III	Domain
B, E [auth D]	IPR015373	Interferon/interleukin receptor domain	Domain
B, E [auth D]	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
B, E [auth D]	IPR050650	Type II Cytokine and Tissue Factor Receptors	Family
B, E [auth D]	IPR036116	Fibronectin type III superfamily	Homologous Superfamily
C [auth R], F [auth E]	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
C [auth R], F [auth E]	IPR050650	Type II Cytokine and Tissue Factor Receptors	Family
C [auth R], F [auth E]	IPR003961	Fibronectin type III	Domain
C [auth R], F [auth E]	IPR036116	Fibronectin type III superfamily	Homologous Superfamily
C [auth R], F [auth E]	IPR015373	Interferon/interleukin receptor domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, D [auth C]	Pharos: Q9NYY1	Unipolar Depression acute kidney failure Behcet disease Crohn disease large cell medulloblastoma psoriasis type 1 diabetes mellitus breast cancer inflammatory bowel disease major depressive disorder rheumatoid arthritis ulcerative colitis ovarian cancer systemic lupus erythematosus
B, E [auth D]	Pharos: Q6UXL0	cystic fibrosis medulloblastoma sinusitis lung adenocarcinoma nasopharyngeal carcinoma malignant pancreatic neoplasm non-small cell lung carcinoma
C [auth R], F [auth E]	Pharos: Q9UHF4	Abortion, Spontaneous adrenal cortex carcinoma breast carcinoma interstitial cystitis lung carcinoma ovarian cancer atopic eczema breast fibroadenoma lung adenocarcinoma malignant ependymoma psoriasis adenoma breast cancer cystic fibrosis lung cancer Abortion, Spontaneous adrenal cortex carcinoma breast carcinoma interstitial cystitis lung carcinoma ovarian cancer atopic eczema breast fibroadenoma lung adenocarcinoma malignant ependymoma psoriasis adenoma breast cancer cystic fibrosis lung cancer non-small cell lung 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.