Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
BPI3K_P85_iSH2e5dxhB1 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)
D [auth E]PI3K_P85_iSH2e5dxhE1 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)
API3K_C2e5dxhA5 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: C2 domain (From Topology)T: C2 domainF: PI3K_C2ECOD (1.6)
API3Kae5dxhA2 A: alpha superhelicesX: Repetitive alpha hairpinsH: ARM repeat (From Topology)T: ARM repeatF: PI3KaECOD (1.6)
API3K_rbde5dxhA4 A: a+b two layersX: beta-GraspH: Ubiquitin-relatedT: Ubiquitin-likeF: PI3K_rbdECOD (1.6)
API3K_p85Be5dxhA3 A: a+b two layersX: beta-GraspH: Ubiquitin-relatedT: Ubiquitin-likeF: PI3K_p85BECOD (1.6)
API3_PI4_kinasee5dxhA1 A: a+b complex topologyX: Protein kinase/SAICAR synthase/ATP-grasp (From Homology)H: Protein kinase/SAICAR synthase/ATP-graspT: Protein kinaseF: PI3_PI4_kinaseECOD (1.6)
C [auth D]PI3K_C2e5dxhD2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: C2 domain (From Topology)T: C2 domainF: PI3K_C2ECOD (1.6)
C [auth D]PI3Kae5dxhD3 A: alpha superhelicesX: Repetitive alpha hairpinsH: ARM repeat (From Topology)T: ARM repeatF: PI3KaECOD (1.6)
C [auth D]PI3K_rbde5dxhD5 A: a+b two layersX: beta-GraspH: Ubiquitin-relatedT: Ubiquitin-likeF: PI3K_rbdECOD (1.6)
C [auth D]PI3K_p85Be5dxhD4 A: a+b two layersX: beta-GraspH: Ubiquitin-relatedT: Ubiquitin-likeF: PI3K_p85BECOD (1.6)
C [auth D]PI3_PI4_kinasee5dxhD1 A: a+b complex topologyX: Protein kinase/SAICAR synthase/ATP-grasp (From Homology)H: Protein kinase/SAICAR synthase/ATP-graspT: Protein kinaseF: PI3_PI4_kinaseECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A,
C [auth D]
PF02192PI3-kinase family, p85-binding domain (PI3K_p85B)PI3-kinase family, p85-binding domain- Family
A,
C [auth D]
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 [auth D]
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 [auth D]
PF00454Phosphatidylinositol 3- and 4-kinase (PI3_PI4_kinase)Phosphatidylinositol 3- and 4-kinase- Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
B,
D [auth E]
Phosphatidylinositol 3-kinase regulatory subunit alpha
A,
C [auth D]
Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit alpha isoform

InterPro: Protein Family Classification InterPro Database Homepage

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

Pharos: Disease Associations Pharos Homepage Annotation

ChainsDrug Target  Associated Disease
A,
C [auth D]
PharosP42336