Annotations: 4PGZ

Structural basis of KIT activation by oncogenic mutations in the extracellular region reveals a zipper-like mechanism for ligand-dependent or oncogenic receptor tyrosine kinase activation

External Resource: Annotation

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

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C [auth B]	Pentaxin	e4pgzB1	A: alpha arrays	X: Alpha-beta plaits	H: Protease propeptides/inhibitors	T: Protease propeptides/inhibitors	F: Pentaxin	ECOD (v295.2)
B [auth A]	PDZ_2	e4pgzA1	A: alpha arrays	X: Lipocalins/Streptavidin	H: Enterocin 7A and 7B	T: Enterocin 7A and 7B	F: PDZ_2	ECOD (v295.2)
A [auth C]	Peptidase_M28	e4pgzC1	A: alpha arrays	X: Rubredoxin-like	H: Rubredoxin-related	T: Rubredoxin-related	F: Peptidase_M28	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C [auth B]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
B [auth A]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
A [auth C]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth C], B [auth A], C [auth B]	Mast/stem cell growth factor receptor Kit	molecular transducer activity catalytic activity, acting on a protein kinase activity protein kinase activity signaling receptor activity transferase activity phosphotransferase activity, alcohol group as acceptor transferase activity, transferring phosphorus-containing groups protein tyrosine kinase activity transmembrane receptor protein tyrosine kinase activity transmembrane receptor protein kinase activity transmembrane signaling receptor activity catalytic activity binding molecular transducer activity catalytic activity, acting on a protein kinase activity protein kinase activity signaling receptor activity transferase activity phosphotransferase activity, alcohol group as acceptor transferase activity, transferring phosphorus-containing groups protein tyrosine kinase activity transmembrane receptor protein tyrosine kinase activity transmembrane receptor protein kinase activity transmembrane signaling receptor activity catalytic activity binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding stem cell factor receptor activity protein binding SH2 domain binding protein domain specific binding enzyme binding protease binding growth factor binding cytokine binding identical protein binding protein homodimerization activity protein dimerization activity	developmental process multicellular organismal process gonad development reproductive system development reproductive process sex differentiation animal organ development developmental process involved in reproduction male gonad development male sex differentiation multicellular organism development development of primary male sexual characteristics development of primary sexual characteristics anatomical structure development reproductive structure development developmental process multicellular organismal process gonad development reproductive system development reproductive process sex differentiation animal organ development developmental process involved in reproduction male gonad development male sex differentiation multicellular organism development development of primary male sexual characteristics development of primary sexual characteristics anatomical structure development reproductive structure development animal gross anatomical part developmental process system development cellular response to stimulus immune response-regulating cell surface receptor signaling pathway regulation of biological process regulation of cellular process response to stimulus cell surface receptor signaling pathway signaling immune response biological regulation cell communication Fc receptor signaling pathway immune response-regulating signaling pathway regulation of response to stimulus immune system process regulation of immune response cellular process regulation of immune system process signal transduction response to cytokine cytokine-mediated signaling pathway response to peptide response to chemical cellular response to cytokine stimulus smooth muscle cell differentiation cellular developmental process regulation of developmental process positive regulation of smooth muscle cell differentiation regulation of smooth muscle cell differentiation positive regulation of biological process regulation of cell differentiation muscle cell differentiation muscle structure development positive regulation of developmental process vascular associated smooth muscle cell differentiation positive regulation of cell differentiation cell differentiation positive regulation of cellular process positive regulation of vascular associated smooth muscle cell differentiation regulation of vascular associated smooth muscle cell differentiation positive regulation of muscle cell differentiation vasculature development circulatory system development regulation of muscle cell differentiation spermatogenesis sexual reproduction multicellular organismal reproductive process male gamete generation gamete generation lamellipodium assembly plasma membrane bounded cell projection organization cell projection organization plasma membrane bounded cell projection assembly cellular component organization cellular component biogenesis cellular component assembly lamellipodium organization cellular component organization or biogenesis cell projection assembly regulation of cellular component organization positive regulation of cellular component organization pseudopodium assembly positive regulation of cell projection organization positive regulation of cellular component biogenesis regulation of cell projection organization regulation of cell projection assembly regulation of cellular component biogenesis regulation of plasma membrane bounded cell projection assembly positive regulation of pseudopodium assembly regulation of pseudopodium assembly regulation of plasma membrane bounded cell projection organization positive regulation of plasma membrane bounded cell projection assembly pseudopodium organization tongue development sensory organ development myeloid leukocyte differentiation hemopoiesis cell development myeloid cell differentiation mast cell differentiation leukocyte differentiation regulation of immune effector process positive regulation of leukocyte mediated immunity positive regulation of macromolecule biosynthetic process positive regulation of metabolic process dendritic cell cytokine production cytokine production leukocyte mediated immunity positive regulation of macromolecule metabolic process positive regulation of immune system process regulation of cytokine production involved in immune response immune effector process regulation of gene expression regulation of leukocyte mediated immunity biosynthetic process positive regulation of production of molecular mediator of immune response positive regulation of multicellular organismal process metabolic process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of production of molecular mediator of immune response positive regulation of cytokine production regulation of metabolic process positive regulation of dendritic cell cytokine production positive regulation of biosynthetic process regulation of dendritic cell cytokine production regulation of cytokine production regulation of multicellular organismal process positive regulation of immune effector process cytokine production involved in immune response production of molecular mediator of immune response regulation of biosynthetic process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process positive regulation of gene expression positive regulation of cytokine production involved in immune response organelle organization actin cytoskeleton organization actin filament-based process cytoskeleton organization cell migration cell motility cell activation mononuclear cell differentiation lymphocyte activation lymphocyte differentiation leukocyte activation T cell activation T cell differentiation immature B cell differentiation B cell activation B cell differentiation protein phosphorylation protein autophosphorylation phosphorylation primary metabolic process macromolecule modification phosphate-containing compound metabolic process protein metabolic process protein modification process embryo development embryonic hemopoiesis embryonic organ development female gonad development female sex differentiation development of primary female sexual characteristics ovarian follicle development cell chemotaxis chemotaxis response to external stimulus cellular response to chemical stimulus taxis locomotion maintenance of cell number stem cell population maintenance positive regulation of myeloid leukocyte cytokine production involved in immune response mast cell cytokine production myeloid leukocyte cytokine production regulation of mast cell cytokine production positive regulation of mast cell cytokine production cell population proliferation leukocyte proliferation mast cell proliferation homeostatic process erythrocyte differentiation multicellular organismal-level homeostasis homeostasis of number of cells myeloid cell homeostasis erythrocyte homeostasis somatic stem cell population maintenance cellular response to stem cell factor stimulus cell surface receptor protein tyrosine kinase signaling pathway Kit signaling pathway enzyme-linked receptor protein signaling pathway response to stem cell factor pigmentation system process positive regulation of smooth muscle contraction regulation of system process intestine smooth muscle contraction regulation of gastro-intestinal system smooth muscle contraction positive regulation of small intestine smooth muscle contraction smooth muscle contraction regulation of smooth muscle contraction regulation of small intestine smooth muscle contraction small intestine smooth muscle contraction gastro-intestinal system smooth muscle contraction phasic smooth muscle contraction muscle contraction muscle system process regulation of muscle system process positive regulation of gastro-intestinal system smooth muscle contraction regulation of muscle contraction positive regulation of muscle contraction megakaryocyte differentiation megakaryocyte development myeloid cell development epithelium migration tissue migration ameboidal-type cell migration epithelial cell migration melanocyte migration primordial germ cell migration erythropoietin-mediated signaling pathway response to erythropoietin cellular response to erythropoietin digestive system development tube development digestive tract development pigment cell differentiation developmental pigmentation melanocyte differentiation positive regulation of cell communication regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction positive regulation of signal transduction regulation of signal transduction intracellular signal transduction positive regulation of response to stimulus regulation of intracellular signal transduction intracellular signaling cassette regulation of signaling positive regulation of intracellular signal transduction positive regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction regulation of cell communication phosphatidylinositol 3-kinase/protein kinase B signal transduction positive regulation of signaling response to light stimulus learning learning or memory nervous system process visual learning visual behavior cognition associative learning behavior response to radiation response to abiotic stimulus mast cell migration leukocyte migration mast cell chemotaxis myeloid leukocyte migration leukocyte chemotaxis regulation of cell shape cell morphogenesis regulation of cell morphogenesis anatomical structure morphogenesis regulation of biological quality regulation of anatomical structure morphogenesis positive regulation of cell population proliferation regulation of cell population proliferation detection of external stimulus detection of mechanical stimulus involved in sensory perception of sound response to mechanical stimulus detection of mechanical stimulus involved in sensory perception sensory perception of mechanical stimulus detection of abiotic stimulus detection of stimulus sensory perception detection of mechanical stimulus detection of stimulus involved in sensory perception sensory perception of sound cell adhesion cell-cell adhesion epithelial cell-cell adhesion melanocyte adhesion positive regulation of MAPK cascade regulation of MAPK cascade MAPK cascade establishment of organelle localization regulated exocytosis cellular localization transport cell activation involved in immune response leukocyte degranulation myeloid leukocyte activation myeloid leukocyte mediated immunity vesicle-mediated transport localization secretion by cell organelle localization leukocyte activation involved in immune response establishment of localization in cell mast cell activation mast cell mediated immunity secretion vacuolar localization export from cell mast cell degranulation establishment of localization myeloid cell activation involved in immune response mast cell activation involved in immune response exocytosis lysosome localization epithelial cell proliferation positive regulation of locomotion regulation of cell motility positive regulation of cell migration regulation of locomotion positive regulation of cell motility regulation of cell migration cell surface receptor signaling pathway via STAT regulation of protein modification process positive regulation of phosphorylation regulation of protein phosphorylation positive regulation of protein metabolic process positive regulation of phosphate metabolic process regulation of primary metabolic process positive regulation of peptidyl-tyrosine phosphorylation positive regulation of protein modification process positive regulation of protein phosphorylation tyrosine phosphorylation of STAT protein regulation of tyrosine phosphorylation of STAT protein regulation of protein metabolic process regulation of peptidyl-tyrosine phosphorylation positive regulation of tyrosine phosphorylation of STAT protein regulation of phosphorylation peptidyl-tyrosine phosphorylation cell surface receptor signaling pathway via JAK-STAT pyloric antrum smooth muscle contraction regulation of pyloric antrum smooth muscle contraction stomach smooth muscle contraction stomach pylorus smooth muscle contraction distal stomach smooth muscle contraction positive regulation of pyloric antrum smooth muscle contraction positive regulation of receptor signaling pathway via STAT positive regulation of receptor signaling pathway via JAK-STAT regulation of receptor signaling pathway via JAK-STAT regulation of receptor signaling pathway via STAT colon smooth muscle contraction regulation of colon smooth muscle contraction positive regulation of colon smooth muscle contraction positive regulation of nervous system development regulation of long-term neuronal synaptic plasticity modulation of chemical synaptic transmission regulation of neurogenesis regulation of cell development regulation of nervous system development neurogenesis synaptic signaling positive regulation of long-term neuronal synaptic plasticity positive regulation of neurogenesis regulation of neuronal synaptic plasticity regulation of synaptic plasticity trans-synaptic signaling regulation of multicellular organismal development positive regulation of cell development cell-cell signaling nervous system development chemical synaptic transmission regulation of trans-synaptic signaling anterograde trans-synaptic signaling defense response response to stress inflammatory response Notch signaling pathway regulation of Notch signaling pathway positive regulation of Notch signaling pathway hematopoietic progenitor cell differentiation response to metal ion response to cadmium ion stem cell differentiation	cell periphery cellular anatomical structure cell surface membrane plasma membrane external side of plasma membrane side of membrane cell-cell junction anchoring junction cell junction intracellular anatomical structure cytoplasm protein-containing complex signaling receptor complex cell periphery cellular anatomical structure cell surface membrane plasma membrane external side of plasma membrane side of membrane cell-cell junction anchoring junction cell junction intracellular anatomical structure cytoplasm protein-containing complex signaling receptor complex acrosomal vesicle membrane-bounded organelle intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle cytoplasmic vesicle organelle secretory granule secretory vesicle vesicle extracellular region cytoplasmic side of plasma membrane cytoplasmic side of membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth C], B [auth A], C [auth B]	IPR001824	Tyrosine-protein kinase, receptor class III, conserved site	Conserved Site
A [auth C], B [auth A], C [auth B]	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
A [auth C], B [auth A], C [auth B]	IPR008266	Tyrosine-protein kinase, active site	Active Site
A [auth C], B [auth A], C [auth B]	IPR020635	Tyrosine-protein kinase, catalytic domain	Domain
A [auth C], B [auth A], C [auth B]	IPR027263	Mast/stem cell growth factor receptor	Family
A [auth C], B [auth A], C [auth B]	IPR000719	Protein kinase domain	Domain
A [auth C], B [auth A], C [auth B]	IPR003599	Immunoglobulin domain subtype	Domain
A [auth C], B [auth A], C [auth B]	IPR013151	Immunoglobulin-like beta-sandwich domain	Domain
A [auth C], B [auth A], C [auth B]	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A [auth C], B [auth A], C [auth B]	IPR007110	Immunoglobulin-like domain	Domain
A [auth C], B [auth A], C [auth B]	IPR017441	Protein kinase, ATP binding site	Binding Site
A [auth C], B [auth A], C [auth B]	IPR003598	Immunoglobulin subtype 2	Domain
A [auth C], B [auth A], C [auth B]	IPR001245	Serine-threonine/tyrosine-protein kinase, catalytic domain	Domain
A [auth C], B [auth A], C [auth B]	IPR011009	Protein kinase-like domain superfamily	Homologous Superfamily
A [auth C], B [auth A], C [auth B]	IPR050122	Receptor Tyrosine Kinase	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A [auth C], B [auth A], C [auth B]	: P10721	gastrointestinal stromal tumor systemic mastocytosis mastocytosis piebaldism acute myeloid leukemia testicular germ cell tumor non-small cell lung carcinoma small cell lung carcinoma breast cancer breast carcinoma cancer acute promyelocytic leukemia indolent systemic mastocytosis Neoplasm Recurrence, Local lung disease gastrointestinal stromal tumor systemic mastocytosis mastocytosis piebaldism acute myeloid leukemia testicular germ cell tumor non-small cell lung carcinoma small cell lung carcinoma breast cancer breast carcinoma cancer acute promyelocytic leukemia indolent systemic mastocytosis Neoplasm Recurrence, Local lung disease malignant mesothelioma cutaneous solitary mastocytoma Ewing sarcoma aggressive systemic mastocytosis thymic carcinoma maculopapular cutaneous mastocytosis pseudoxanthomatous diffuse cutaneous mastocytosis congenital anomaly of kidney and urinary tract malignant ependymoma cutaneous lupus erythematosus skin cancer skin neoplasm cystic fibrosis digestive system disease medullary thyroid gland carcinoma telangiectasia macularis eruptiva perstans idiopathic hypereosinophilic syndrome myeloproliferative neoplasm isolated bone marrow mastocytosis osteosarcoma atypical teratoid rhabdoid tumor thymus neoplasm leiomyoma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia bullous diffuse cutaneous mastocytosis tuberculosis lung carcinoma chronic eosinophilic leukemia lymphatic system disease pilocytic astrocytoma colorectal adenocarcinoma psoriasis connective tissue disease malignant glioma schwannoma skin disease cutaneous melanoma MALT lymphoma small cell carcinoma mast cell leukemia subependymal giant cell astrocytoma endometrial carcinoma medulloblastoma systemic mastocytosis with an associated clonal hematologic non-mast cell lineage disease glioblastoma mucosal melanoma adrenal cortex carcinoma tenosynovial giant cell tumor anemia kidney disease ovarian cancer thyroid gland follicular carcinoma lung adenocarcinoma ulcerative colitis lymphoplasmacytic lymphoma pituitary cancer congenital anemia malignant colon neoplasm renal cell carcinoma seminoma dermatofibrosarcoma protuberans systemic lupus erythematosus melanoma acute myelomonocytic leukemia M4 hepatocellular carcinoma testicular cancer intellectual disability astrocytic tumor large cell medulloblastoma pancreatic intraductal papillary-mucinous neoplasm bone marrow disease thyroid gland papillary carcinoma lung cancer peripheral primitive neuroectodermal tumor breast disease

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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.