Annotations: 6OCU

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d6ocub_	Coiled coil proteins	Antiparallel coiled-coil	Phosphatidylinositol 3-kinase regulatory subunit P85 inter-SH2 (iSH2) domain-like	Phosphatidylinositol 3-kinase regulatory subunit P85 inter-SH2 domain-like	automated matches	Bovine (Bos taurus ) [TaxId: 9913 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	PI3K inter-SH2 coiled-coil domain	8052382	3002111	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	PI3K_C2	e6ocuA3	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: C2 domain (From Topology)	T: C2 domain	F: PI3K_C2	ECOD (1.6)
A	PI3Ka	e6ocuA1	A: alpha superhelices	X: Repetitive alpha hairpins	H: ARM repeat (From Topology)	T: ARM repeat	F: PI3Ka	ECOD (1.6)
A	PI3K_rbd	e6ocuA4	A: a+b two layers	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: PI3K_rbd	ECOD (1.6)
A	PI3K_p85B	e6ocuA2	A: a+b two layers	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: PI3K_p85B	ECOD (1.6)
A	PI3_PI4_kinase	e6ocuA5	A: a+b complex topology	X: Protein kinase/SAICAR synthase/ATP-grasp (From Homology)	H: Protein kinase/SAICAR synthase/ATP-grasp	T: Protein kinase	F: PI3_PI4_kinase	ECOD (1.6)
B	PI3K_P85_iSH2	e6ocuB1	A: alpha bundles	X: YscO-like	H: Phosphatidylinositol 3-kinase regulatory subunit inter-SH2 domain (From Topology)	T: Phosphatidylinositol 3-kinase regulatory subunit inter-SH2 domain	F: PI3K_P85_iSH2	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF02192	PI3-kinase family, p85-binding domain (PI3K_p85B)	PI3-kinase family, p85-binding domain	-	Family
A	PF00792	Phosphoinositide 3-kinase C2 (PI3K_C2)	Phosphoinositide 3-kinase C2	Phosphoinositide 3-kinase region postulated to contain a C2 domain. Outlier of Pfam:PF00168 family.	Domain
A	PF00454	Phosphatidylinositol 3- and 4-kinase (PI3_PI4_kinase)	Phosphatidylinositol 3- and 4-kinase	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit delta isoform	kinase activity transferase activity catalytic activity transferase activity, transferring phosphorus-containing groups phosphatidylinositol kinase activity lipid kinase activity 1-phosphatidylinositol-3-kinase activity phosphotransferase activity, alcohol group as acceptor 1-phosphatidylinositol-4-phosphate 3-kinase activity binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding kinase activity transferase activity catalytic activity transferase activity, transferring phosphorus-containing groups phosphatidylinositol kinase activity lipid kinase activity 1-phosphatidylinositol-3-kinase activity phosphotransferase activity, alcohol group as acceptor 1-phosphatidylinositol-4-phosphate 3-kinase activity binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding 1-phosphatidylinositol-4,5-bisphosphate 3-kinase activity	multicellular organismal process regulation of cellular process homeostatic process leukocyte apoptotic process positive regulation of biological process regulation of programmed cell death regulation of neutrophil apoptotic process positive regulation of myeloid cell apoptotic process positive regulation of neutrophil apoptotic process regulation of immune system process myeloid cell homeostasis positive regulation of leukocyte apoptotic process positive regulation of immune system process positive regulation of cellular process multicellular organismal process regulation of cellular process homeostatic process leukocyte apoptotic process positive regulation of biological process regulation of programmed cell death regulation of neutrophil apoptotic process positive regulation of myeloid cell apoptotic process positive regulation of neutrophil apoptotic process regulation of immune system process myeloid cell homeostasis positive regulation of leukocyte apoptotic process positive regulation of immune system process positive regulation of cellular process regulation of leukocyte apoptotic process myeloid cell apoptotic process regulation of biological process positive regulation of programmed cell death regulation of apoptotic process biological regulation cell death positive regulation of apoptotic process neutrophil homeostasis neutrophil apoptotic process multicellular organismal-level homeostasis leukocyte homeostasis immune system process inflammatory cell apoptotic process cellular process homeostasis of number of cells apoptotic process programmed cell death regulation of myeloid cell apoptotic process phosphatidylinositol metabolic process glycerophospholipid biosynthetic process phosphatidylinositol-3-phosphate biosynthetic process glycerophospholipid metabolic process lipid biosynthetic process primary metabolic process phosphatidylinositol phosphate biosynthetic process phospholipid biosynthetic process phosphatidylinositol biosynthetic process phospholipid metabolic process biosynthetic process glycerolipid biosynthetic process organophosphate metabolic process organophosphate biosynthetic process phosphate-containing compound metabolic process metabolic process glycerolipid metabolic process phosphorus metabolic process lipid metabolic process response to stimulus immune response adaptive immune response regulation of biosynthetic process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process positive regulation of macromolecule biosynthetic process regulation of gene expression positive regulation of metabolic process positive regulation of gene expression positive regulation of biosynthetic process regulation of macromolecule biosynthetic process positive regulation of macromolecule metabolic process macromolecule metabolic process regulation of metabolic process cell chemotaxis cellular response to stimulus chemotaxis neutrophil chemotaxis response to external stimulus neutrophil migration granulocyte migration leukocyte migration cellular response to chemical stimulus taxis granulocyte chemotaxis response to chemical myeloid leukocyte migration cell migration cell motility leukocyte chemotaxis locomotion cellular response to growth factor stimulus cell surface receptor signaling pathway signaling response to endogenous stimulus cell surface receptor protein tyrosine kinase signaling pathway cell communication vascular endothelial growth factor signaling pathway cellular response to endogenous stimulus cellular response to vascular endothelial growth factor stimulus signal transduction response to growth factor enzyme-linked receptor protein signaling pathway B cell activation cell activation lymphocyte activation leukocyte activation biological process involved in interspecies interaction between organisms response to other organism defense response defense response to symbiont response to biotic stimulus defense response to other organism response to stress innate immune response response to external biotic stimulus developmental process myeloid leukocyte differentiation cellular developmental process hemopoiesis cell development myeloid cell differentiation cell differentiation anatomical structure development mast cell differentiation leukocyte differentiation mononuclear cell differentiation lymphocyte differentiation T cell activation T cell differentiation intracellular signal transduction phosphatidylinositol-mediated signaling natural killer cell activation protein phosphorylation phosphorylation macromolecule modification protein metabolic process protein modification process natural killer cell differentiation B cell differentiation immune response-regulating cell surface receptor signaling pathway positive regulation of response to stimulus immune response-activating signaling pathway immune response-regulating signaling pathway positive regulation of immune response immune response-activating cell surface receptor signaling pathway B cell receptor signaling pathway regulation of response to stimulus regulation of immune response antigen receptor-mediated signaling pathway activation of immune response T cell receptor signaling pathway positive regulation of locomotion regulation of cell motility endothelial cell migration positive regulation of cell migration regulation of locomotion positive regulation of endothelial cell migration positive regulation of cell motility regulation of cell migration regulation of endothelial cell migration intracellular signaling cassette phosphatidylinositol 3-kinase/protein kinase B signal transduction lymphocyte chemotaxis lymphocyte migration mononuclear cell migration B cell chemotaxis natural killer cell chemotaxis mast cell migration mast cell chemotaxis positive regulation of epithelial tube formation regulation of developmental process tube formation positive regulation of developmental process epithelial tube formation multicellular organism development tube morphogenesis positive regulation of morphogenesis of an epithelium regulation of morphogenesis of an epithelium regulation of multicellular organismal process regulation of epithelial tube formation epithelial tube morphogenesis regulation of anatomical structure morphogenesis epithelium development regulation of multicellular organismal development tube development morphogenesis of an epithelium tissue development tissue morphogenesis anatomical structure morphogenesis anatomical structure formation involved in morphogenesis positive regulation of multicellular organismal process 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 leukocyte mediated immunity mast cell mediated immunity secretion vacuolar localization export from cell mast cell degranulation establishment of localization myeloid cell activation involved in immune response immune effector process mast cell activation involved in immune response exocytosis lysosome localization neutrophil extravasation cellular extravasation angiogenesis regulation of vasculature development blood vessel development system development blood vessel morphogenesis positive regulation of angiogenesis vasculature development circulatory system development positive regulation of vasculature development regulation of angiogenesis cytokine production regulation of cytokine production positive regulation of cytokine production inflammatory response cell population proliferation positive regulation of cell population proliferation endothelial cell proliferation positive regulation of epithelial cell proliferation regulation of endothelial cell proliferation regulation of cell population proliferation positive regulation of endothelial cell proliferation regulation of epithelial cell proliferation epithelial cell proliferation respiratory burst respiratory burst involved in defense response T cell chemotaxis T cell migration	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol protein-containing complex catalytic complex membrane phosphatidylinositol 3-kinase complex, class I membrane protein complex transferase complex phosphatidylinositol 3-kinase complex, class IA phosphatidylinositol 3-kinase complex transferase complex, transferring phosphorus-containing groups extrinsic component of membrane cellular anatomical structure intracellular anatomical structure cytoplasm cytosol protein-containing complex catalytic complex membrane phosphatidylinositol 3-kinase complex, class I membrane protein complex transferase complex phosphatidylinositol 3-kinase complex, class IA phosphatidylinositol 3-kinase complex transferase complex, transferring phosphorus-containing groups extrinsic component of membrane cell periphery plasma membrane
B	Phosphatidylinositol 3-kinase regulatory subunit alpha	transmembrane receptor protein tyrosine kinase adaptor activity protein tyrosine kinase binding binding signaling receptor binding receptor tyrosine kinase binding enzyme binding protein kinase binding molecular adaptor activity signaling adaptor activity protein binding signaling receptor complex adaptor activity kinase binding protein-macromolecule adaptor activity enzyme regulator activity transmembrane receptor protein tyrosine kinase adaptor activity protein tyrosine kinase binding binding signaling receptor binding receptor tyrosine kinase binding enzyme binding protein kinase binding molecular adaptor activity signaling adaptor activity protein binding signaling receptor complex adaptor activity kinase binding protein-macromolecule adaptor activity enzyme regulator activity molecular function regulator activity 1-phosphatidylinositol-3-kinase regulator activity kinase regulator activity insulin receptor substrate binding insulin receptor binding phosphatidylinositol 3-kinase binding enzyme-substrate adaptor activity phosphatidylinositol 3-kinase regulator activity phosphatidylinositol 3-kinase activator activity ErbB-3 class receptor binding identical protein binding insulin-like growth factor receptor binding	cellular homeostasis chemical homeostasis homeostatic process glucose homeostasis carbohydrate homeostasis intracellular chemical homeostasis intracellular glucose homeostasis regulation of protein stability biological regulation regulation of biological quality protein stabilization cellular response to stimulus regulation of biological process regulation of cellular process cellular homeostasis chemical homeostasis homeostatic process glucose homeostasis carbohydrate homeostasis intracellular chemical homeostasis intracellular glucose homeostasis regulation of protein stability biological regulation regulation of biological quality protein stabilization cellular response to stimulus regulation of biological process regulation of cellular process response to stimulus signaling intracellular signal transduction cell communication intracellular signaling cassette cellular process signal transduction phosphatidylinositol 3-kinase/protein kinase B signal transduction negative regulation of programmed cell death regulation of apoptotic process negative regulation of biological process regulation of programmed cell death cell death negative regulation of apoptotic process negative regulation of cellular process apoptotic process programmed cell death phosphatidylinositol metabolic process glycerophospholipid biosynthetic process glycerophospholipid metabolic process lipid biosynthetic process primary metabolic process phosphatidylinositol phosphate biosynthetic process phospholipid biosynthetic process phosphatidylinositol biosynthetic process phospholipid metabolic process biosynthetic process glycerolipid biosynthetic process organophosphate metabolic process organophosphate biosynthetic process phosphate-containing compound metabolic process metabolic process glycerolipid metabolic process phosphorus metabolic process lipid metabolic process positive regulation of protein localization to plasma membrane protein localization regulation of localization cellular localization regulation of protein localization positive regulation of biological process localization cellular macromolecule localization regulation of protein localization to membrane positive regulation of cellular process positive regulation of protein localization to cell periphery protein localization to cell periphery protein localization to plasma membrane positive regulation of protein localization to membrane localization within membrane regulation of protein localization to cell periphery protein localization to membrane regulation of cellular localization macromolecule localization positive regulation of protein localization regulation of protein localization to plasma membrane establishment of protein localization nitrogen compound transport transport establishment of localization protein transport cell adhesion substrate adhesion-dependent cell spreading cell-substrate adhesion cell surface receptor signaling pathway insulin-like growth factor receptor signaling pathway cell surface receptor protein tyrosine kinase signaling pathway enzyme-linked receptor protein signaling pathway nucleocytoplasmic transport positive regulation of nucleocytoplasmic transport nuclear transport positive regulation of establishment of protein localization regulation of protein localization to nucleus positive regulation of protein transport import into nucleus regulation of protein import into nucleus establishment of localization in cell protein import into nucleus positive regulation of intracellular transport regulation of intracellular transport regulation of transport positive regulation of protein localization to nucleus regulation of establishment of protein localization positive regulation of protein import into nucleus intracellular transport regulation of nucleocytoplasmic transport protein localization to nucleus regulation of protein transport positive regulation of transport establishment of protein localization to organelle protein localization to organelle regulation of intracellular protein transport positive regulation of intracellular protein transport intracellular protein transport RNA metabolic process positive regulation of macromolecule biosynthetic process regulation of primary metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process nucleic acid biosynthetic process positive regulation of metabolic process positive regulation of biosynthetic process positive regulation of macromolecule metabolic process RNA processing regulation of biosynthetic process RNA splicing regulation of macromolecule metabolic process gene expression nucleobase-containing compound biosynthetic process regulation of RNA splicing macromolecule biosynthetic process nucleic acid metabolic process regulation of gene expression positive regulation of gene expression regulation of macromolecule biosynthetic process macromolecule metabolic process positive regulation of RNA splicing regulation of metabolic process cellular response to nitrogen compound response to peptide hormone insulin receptor signaling pathway cellular response to endogenous stimulus response to hormone cellular response to hormone stimulus response to endogenous stimulus response to oxygen-containing compound cellular response to peptide hormone stimulus response to nitrogen compound cellular response to oxygen-containing compound cellular response to chemical stimulus response to chemical response to insulin cellular response to insulin stimulus positive regulation of DNA-templated transcription DNA-templated transcription regulation of RNA metabolic process transcription by RNA polymerase II regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process regulation of transcription by RNA polymerase II positive regulation of nucleobase-containing compound metabolic process positive regulation of transcription by RNA polymerase II positive regulation of RNA metabolic process positive regulation of RNA biosynthetic process regulation of DNA-templated transcription hexose transmembrane transport D-glucose import carbohydrate transport positive regulation of D-glucose transmembrane transport positive regulation of transmembrane transport regulation of D-glucose import positive regulation of D-glucose import transmembrane transport regulation of transmembrane transport D-glucose transmembrane transport regulation of D-glucose transmembrane transport monosaccharide transmembrane transport carbohydrate transmembrane transport positive regulation of cell communication positive regulation of signal transduction regulation of cellular response to stress endoplasmic reticulum unfolded protein response regulation of response to endoplasmic reticulum stress regulation of signal transduction positive regulation of response to stimulus regulation of endoplasmic reticulum unfolded protein response positive regulation of response to endoplasmic reticulum stress cellular response to stress regulation of intracellular signal transduction response to stress regulation of response to stress positive regulation of endoplasmic reticulum unfolded protein response response to endoplasmic reticulum stress regulation of signaling cellular response to topologically incorrect protein positive regulation of intracellular signal transduction cellular response to unfolded protein response to unfolded protein regulation of response to stimulus response to topologically incorrect protein regulation of cell communication positive regulation of signaling	protein-containing complex catalytic complex membrane phosphatidylinositol 3-kinase complex, class I membrane protein complex transferase complex phosphatidylinositol 3-kinase complex, class IA phosphatidylinositol 3-kinase complex transferase complex, transferring phosphorus-containing groups cellular anatomical structure extrinsic component of membrane membrane-bounded organelle intracellular organelle intracellular anatomical structure protein-containing complex catalytic complex membrane phosphatidylinositol 3-kinase complex, class I membrane protein complex transferase complex phosphatidylinositol 3-kinase complex, class IA phosphatidylinositol 3-kinase complex transferase complex, transferring phosphorus-containing groups cellular anatomical structure extrinsic component of membrane membrane-bounded organelle intracellular organelle intracellular anatomical structure organelle nucleus intracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR015433	Phosphatidylinositol kinase	Family
A	IPR016024	Armadillo-type fold	Homologous Superfamily
A	IPR037703	PI3Kdelta, catalytic domain	Domain
A	IPR002420	C2 phosphatidylinositol 3-kinase-type domain	Domain
A	IPR018936	Phosphatidylinositol 3/4-kinase, conserved site	Conserved Site
A	IPR000403	Phosphatidylinositol 3-/4-kinase, catalytic domain	Domain
A	IPR001263	Phosphoinositide 3-kinase, accessory (PIK) domain	Domain
A	IPR042236	Phosphoinositide 3-kinase, accessory (PIK) domain superfamily	Homologous Superfamily
A	IPR036940	Phosphatidylinositol 3-/4-kinase, catalytic domain superfamily	Homologous Superfamily
A	IPR003113	Phosphatidylinositol 3-kinase, adaptor-binding domain	Domain
A	IPR011009	Protein kinase-like domain superfamily	Homologous Superfamily
A	IPR000341	Phosphatidylinositol 3-kinase Ras-binding (PI3K RBD) domain	Domain
A	IPR035892	C2 domain superfamily	Homologous Superfamily
A	IPR029071	Ubiquitin-like domain superfamily	Homologous Superfamily
B	IPR036860	SH2 domain superfamily	Homologous Superfamily
B	IPR000980	SH2 domain	Domain
B	IPR036028	SH3-like domain superfamily	Homologous Superfamily
B	IPR008936	Rho GTPase activation protein	Homologous Superfamily
B	IPR035020	PI3K p85 subunit, C-terminal SH2 domain	Domain
B	IPR035591	Phosphatidylinositol 3-kinase regulatory subunit alpha, SH3 domain	Domain
B	IPR000198	Rho GTPase-activating protein domain	Domain
B	IPR032498	PI3K regulatory subunit p85-related , inter-SH2 domain	Domain
B	IPR001452	SH3 domain	Domain
B	IPR035022	PI3K p85 subunit, N-terminal SH2 domain	Domain
B	IPR044124	PIK3R1, inter-SH2 domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: O00329	immunodeficiency 14 diffuse large B-cell lymphoma activated PI3K-delta syndrome mantle cell lymphoma prostate cancer osteosarcoma Prostatic Neoplasms Sjogren syndrome ulcerative colitis cutaneous lupus erythematosus follicular lymphoma large cell medulloblastoma lymphoplasmacytic lymphoma malignant mesothelioma ovarian cancer immunodeficiency 14 diffuse large B-cell lymphoma activated PI3K-delta syndrome mantle cell lymphoma prostate cancer osteosarcoma Prostatic Neoplasms Sjogren syndrome ulcerative colitis cutaneous lupus erythematosus follicular lymphoma large cell medulloblastoma lymphoplasmacytic lymphoma malignant mesothelioma ovarian cancer subependymal giant cell astrocytoma autoimmune lymphoproliferative syndrome cystic fibrosis interstitial cystitis lung cancer testicular germ cell tumor B-cell chronic lymphocytic leukemia gastric carcinoma juvenile dermatomyositis