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)
BSCOP2B SuperfamilySH2 domain 8052378 3000197 SCOP2B (2022-06-29)
DSCOP2B SuperfamilyPI3K inter-SH2 coiled-coil domain 8061497 3002111 SCOP2B (2022-06-29)
DSCOP2B SuperfamilySH2 domain 8052378 3000197 SCOP2B (2022-06-29)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A, C
PF02192PI3-kinase family, p85-binding domain (PI3K_p85B)PI3-kinase family, p85-binding domain- Family
A, C
PF00792Phosphoinositide 3-kinase C2 (PI3K_C2)Phosphoinositide 3-kinase C2Phosphoinositide 3-kinase region postulated to contain a C2 domain. Outlier of Pfam:PF00168 family.Domain
A, C
PF00794PI3-kinase family, ras-binding domain (PI3K_rbd)PI3-kinase family, ras-binding domainCertain 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 These regions show some similarity (although not highly significant similarity) to Ras-binding Pfam:PF00788 domains (unpublished observation).Domain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, C
PF00454Phosphatidylinositol 3- and 4-kinase (PI3_PI4_kinase)Phosphatidylinositol 3- and 4-kinase- Family
B, D
PF00017SH2 domain (SH2)SH2 domain- Domain
B, D
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
A, C
Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit alpha isoform
B, D
Phosphatidylinositol 3-kinase regulatory subunit alpha

InterPro: Protein Family Classification InterPro Database Homepage

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

Pharos: Disease Associations Pharos Homepage Annotation

ChainsDrug Target  Associated Disease
A, C
PharosP42336
B, D
PharosP27986