Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
BSCOP2B SuperfamilyPI3K inter-SH2 coiled-coil domain 8061497 3002111 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
API3K_p85Be2v1yA1 A: a+b two layersX: beta-GraspH: Ubiquitin-relatedT: Ubiquitin-likeF: PI3K_p85BECOD (1.6)
BPI3K_P85_iSH2e2v1yB1 A: alpha bundlesX: YscO-likeH: Phosphatidylinositol 3-kinase regulatory subunit inter-SH2 domain (From Topology)T: Phosphatidylinositol 3-kinase regulatory subunit inter-SH2 domainF: PI3K_P85_iSH2ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
A3.10.20.90 Alpha Beta Roll Ubiquitin-like (UB roll) Phosphatidylinositol 3-kinase Catalytic SubunitCATH (4.3.0)
B1.10.287.1490 Mainly Alpha Orthogonal Bundle Helix Hairpins CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
PF02192PI3-kinase family, p85-binding domain (PI3K_p85B)PI3-kinase family, p85-binding domain- Family
PF16454Phosphatidylinositol 3-kinase regulatory subunit P85 inter-SH2 domain (PI3K_P85_iSH2)Phosphatidylinositol 3-kinase regulatory subunit P85 inter-SH2 domainThis domain is found between the two SH2 domains in phosphatidylinositol 3-kinase regulatory subunit P85. It forms a complex with the adaptor-binding domain of phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit alpha [1].Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
PHOSPHATIDYLINOSITOL-4,5-BISPHOSPHATE 3-KINASE CATALYTIC SUBUNIT ALPHA ISOFORM
PHOSPHATIDYLINOSITOL 3-KINASE REGULATORY SUBUNIT ALPHA

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
IPR015433Phosphatidylinositol kinaseFamily
IPR016024Armadillo-type foldHomologous Superfamily
IPR037704PI3Kalpha, catalytic domainDomain
IPR002420C2 phosphatidylinositol 3-kinase-type domainDomain
IPR018936Phosphatidylinositol 3/4-kinase, conserved siteConserved Site
IPR000403Phosphatidylinositol 3-/4-kinase, catalytic domainDomain
IPR001263Phosphoinositide 3-kinase, accessory (PIK) domainDomain
IPR042236Phosphoinositide 3-kinase, accessory (PIK) domain superfamilyHomologous Superfamily
IPR036940Phosphatidylinositol 3-/4-kinase, catalytic domain superfamilyHomologous Superfamily
IPR003113Phosphatidylinositol 3-kinase, adaptor-binding domainDomain
IPR011009Protein kinase-like domain superfamilyHomologous Superfamily
IPR000341Phosphatidylinositol 3-kinase Ras-binding (PI3K RBD) domainDomain
IPR035892C2 domain superfamilyHomologous Superfamily
IPR029071Ubiquitin-like domain superfamilyHomologous Superfamily
IPR036028SH3-like domain superfamilyHomologous Superfamily
IPR008936Rho GTPase activation proteinHomologous Superfamily
IPR035020PI3K p85 subunit, C-terminal SH2 domainDomain
IPR035591Phosphatidylinositol 3-kinase regulatory subunit alpha, SH3 domainDomain
IPR032498PI3K regulatory subunit p85-related , inter-SH2 domainDomain
IPR001452SH3 domainDomain
IPR035022PI3K p85 subunit, N-terminal SH2 domainDomain
IPR036860SH2 domain superfamilyHomologous Superfamily
IPR000980SH2 domainDomain
IPR000198Rho GTPase-activating protein domainDomain
IPR044124PIK3R1, inter-SH2 domainDomain