Annotations: 8SO9

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	C2 domain (calcium/lipid-binding domain, calb)	8040714	3000965	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	ARM repeat-like	8038595	3000116	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Ubiquitin-like	8034485	3000157	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Protein kinase-like (PK-like)	8036673	3000066	SCOP2B (2022-06-29)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00613	Phosphoinositide 3-kinase family, accessory domain (PIK domain) (PI3Ka)	Phosphoinositide 3-kinase family, accessory domain (PIK domain)	-	Repeat
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	PF00794	PI3-kinase family, ras-binding domain (PI3K_rbd)	PI3-kinase family, ras-binding domain	Certain members of the PI3K family possess Ras-binding domains in their N-termini. These regions show some similarity (although not highly significant similarity) to Ras-binding Pfam:PF00788 domains (unpublished observation).	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	phosphatidylinositol kinase activity kinase activity lipid kinase activity transferase activity 1-phosphatidylinositol-4,5-bisphosphate 3-kinase activity catalytic activity phosphotransferase activity, alcohol group as acceptor transferase activity, transferring phosphorus-containing groups 1-phosphatidylinositol-3-kinase activity 1-phosphatidylinositol-4-phosphate 3-kinase activity catalytic activity, acting on a protein protein kinase activity protein serine kinase activity binding phosphatidylinositol kinase activity kinase activity lipid kinase activity transferase activity 1-phosphatidylinositol-4,5-bisphosphate 3-kinase activity catalytic activity phosphotransferase activity, alcohol group as acceptor transferase activity, transferring phosphorus-containing groups 1-phosphatidylinositol-3-kinase activity 1-phosphatidylinositol-4-phosphate 3-kinase activity catalytic activity, acting on a protein protein kinase activity protein serine 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 protein serine/threonine kinase activity histone H2AS1 kinase activity histone modifying activity histone H2A kinase activity histone kinase activity	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 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 cellular process glycerolipid metabolic process phosphorus metabolic process lipid metabolic process developmental process multicellular organismal process blood vessel morphogenesis tube development angiogenesis vasculature development circulatory system development multicellular organism development anatomical structure morphogenesis tube morphogenesis anatomical structure development anatomical structure formation involved in morphogenesis blood vessel development system development cellular response to stimulus regulation of biological process regulation of cellular process response to stimulus signaling biological regulation intracellular signal transduction cell communication intracellular signaling cassette signal transduction phosphatidylinositol 3-kinase/protein kinase B signal transduction localization import into cell transport endocytosis establishment of localization vesicle-mediated transport chemotaxis taxis response to chemical response to external stimulus locomotion immune system process phosphatidylinositol-mediated signaling phospholipase C-activating G protein-coupled receptor signaling pathway G protein-coupled receptor signaling pathway phosphorylation defense response response to stress inflammatory response	cell periphery cellular anatomical structure plasma membrane membrane intracellular anatomical structure cytoplasm protein-containing complex catalytic complex phosphatidylinositol 3-kinase complex, class I membrane protein complex transferase complex phosphatidylinositol 3-kinase complex transferase complex, transferring phosphorus-containing groups phosphatidylinositol 3-kinase complex, class IB cell periphery cellular anatomical structure plasma membrane membrane intracellular anatomical structure cytoplasm protein-containing complex catalytic complex phosphatidylinositol 3-kinase complex, class I membrane protein complex transferase complex phosphatidylinositol 3-kinase complex transferase complex, transferring phosphorus-containing groups phosphatidylinositol 3-kinase complex, class IB extrinsic component of membrane phosphatidylinositol 3-kinase complex, class IA
B	Phosphoinositide 3-kinase regulatory subunit 5	enzyme regulator activity molecular function regulator activity 1-phosphatidylinositol-3-kinase regulator activity kinase regulator activity protein-containing complex binding binding G-protein beta/gamma-subunit complex binding	cellular response to stimulus positive regulation of cell communication regulation of cellular process positive regulation of signal transduction response to stimulus positive regulation of phosphorylation regulation of catalytic activity regulation of signal transduction regulation of transferase activity positive regulation of phosphate metabolic process regulation of MAP kinase activity intracellular signal transduction regulation of primary metabolic process cell communication positive regulation of protein serine/threonine kinase activity cellular response to stimulus positive regulation of cell communication regulation of cellular process positive regulation of signal transduction response to stimulus positive regulation of phosphorylation regulation of catalytic activity regulation of signal transduction regulation of transferase activity positive regulation of phosphate metabolic process regulation of MAP kinase activity intracellular signal transduction regulation of primary metabolic process cell communication positive regulation of protein serine/threonine kinase activity positive regulation of metabolic process regulation of phosphate metabolic process phosphate-containing compound metabolic process intracellular signaling cassette positive regulation of macromolecule metabolic process signal transduction phosphorus metabolic process protein modification process positive regulation of protein phosphorylation regulation of biological process positive regulation of MAP kinase activity protein phosphorylation positive regulation of phosphorus metabolic process phosphorylation positive regulation of MAPK cascade regulation of protein metabolic process primary metabolic process positive regulation of intracellular signal transduction regulation of MAPK cascade regulation of molecular function positive regulation of kinase activity regulation of kinase activity regulation of response to stimulus regulation of protein serine/threonine kinase activity macromolecule modification regulation of phosphorus metabolic process metabolic process macromolecule metabolic process regulation of metabolic process regulation of protein modification process regulation of protein phosphorylation signaling positive regulation of protein metabolic process positive regulation of biological process positive regulation of response to stimulus positive regulation of molecular function positive regulation of protein modification process regulation of intracellular signal transduction protein metabolic process positive regulation of protein kinase activity positive regulation of cellular process regulation of signaling positive regulation of transferase activity biological regulation positive regulation of catalytic activity regulation of protein kinase activity regulation of macromolecule metabolic process MAPK cascade regulation of cell communication regulation of phosphorylation cellular process positive regulation of signaling phosphatidylinositol 3-kinase/protein kinase B signal transduction G protein-coupled receptor signaling pathway regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction positive regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction	protein-containing complex catalytic complex membrane phosphatidylinositol 3-kinase complex, class I membrane protein complex transferase complex phosphatidylinositol 3-kinase complex transferase complex, transferring phosphorus-containing groups cellular anatomical structure phosphatidylinositol 3-kinase complex, class IB extrinsic component of membrane cell periphery plasma membrane intracellular anatomical structure protein-containing complex catalytic complex membrane phosphatidylinositol 3-kinase complex, class I membrane protein complex transferase complex phosphatidylinositol 3-kinase complex transferase complex, transferring phosphorus-containing groups cellular anatomical structure phosphatidylinositol 3-kinase complex, class IB extrinsic component of membrane cell periphery plasma membrane intracellular anatomical structure cytoplasm membrane-bounded organelle intracellular organelle 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	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	IPR045580	PIK3 catalytic subunit gamma, adaptor-binding domain	Domain
A	IPR029071	Ubiquitin-like domain superfamily	Homologous Superfamily
B	IPR019522	Phosphoinositide 3-kinase regulatory subunit 5/6	Family

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.