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

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
API3Kae3ihyA2 A: alpha superhelicesX: Repetitive alpha hairpinsH: ARM repeat (From Topology)T: ARM repeatF: PI3KaECOD (1.6)
API3_PI4_kinasee3ihyA1 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)
CPI3Kae3ihyC2 A: alpha superhelicesX: Repetitive alpha hairpinsH: ARM repeat (From Topology)T: ARM repeatF: PI3KaECOD (1.6)
CPI3_PI4_kinasee3ihyC1 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)
DPI3Kae3ihyD2 A: alpha superhelicesX: Repetitive alpha hairpinsH: ARM repeat (From Topology)T: ARM repeatF: PI3KaECOD (1.6)
DPI3_PI4_kinasee3ihyD1 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)
EPI3Kae3ihyE2 A: alpha superhelicesX: Repetitive alpha hairpinsH: ARM repeat (From Topology)T: ARM repeatF: PI3KaECOD (1.6)
EPI3_PI4_kinasee3ihyE1 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)
BPI3Kae3ihyB2 A: alpha superhelicesX: Repetitive alpha hairpinsH: ARM repeat (From Topology)T: ARM repeatF: PI3KaECOD (1.6)
BPI3_PI4_kinasee3ihyB1 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

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
A1.25.40.70 Mainly Alpha Alpha Horseshoe Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat Phosphatidylinositol 3-kinase, accessory domain (PIK)CATH (4.3.0)
A3.30.1010.10 Alpha Beta 2-Layer Sandwich Phosphatidylinositol 3-kinase Catalytic Subunit Chain A, domain 4CATH (4.3.0)
A1.10.1070.11 Mainly Alpha Orthogonal Bundle Phosphatidylinositol 3-kinase Catalytic Subunit Chain A, Domain 5CATH (4.3.0)
C1.25.40.70 Mainly Alpha Alpha Horseshoe Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat Phosphatidylinositol 3-kinase, accessory domain (PIK)CATH (4.3.0)
C3.30.1010.10 Alpha Beta 2-Layer Sandwich Phosphatidylinositol 3-kinase Catalytic Subunit Chain A, domain 4CATH (4.3.0)
C1.10.1070.11 Mainly Alpha Orthogonal Bundle Phosphatidylinositol 3-kinase Catalytic Subunit Chain A, Domain 5CATH (4.3.0)
D1.25.40.70 Mainly Alpha Alpha Horseshoe Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat Phosphatidylinositol 3-kinase, accessory domain (PIK)CATH (4.3.0)
D3.30.1010.10 Alpha Beta 2-Layer Sandwich Phosphatidylinositol 3-kinase Catalytic Subunit Chain A, domain 4CATH (4.3.0)
D1.10.1070.11 Mainly Alpha Orthogonal Bundle Phosphatidylinositol 3-kinase Catalytic Subunit Chain A, Domain 5CATH (4.3.0)
E1.25.40.70 Mainly Alpha Alpha Horseshoe Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat Phosphatidylinositol 3-kinase, accessory domain (PIK)CATH (4.3.0)
E3.30.1010.10 Alpha Beta 2-Layer Sandwich Phosphatidylinositol 3-kinase Catalytic Subunit Chain A, domain 4CATH (4.3.0)
E1.10.1070.11 Mainly Alpha Orthogonal Bundle Phosphatidylinositol 3-kinase Catalytic Subunit Chain A, Domain 5CATH (4.3.0)
B1.25.40.70 Mainly Alpha Alpha Horseshoe Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat Phosphatidylinositol 3-kinase, accessory domain (PIK)CATH (4.3.0)
B3.30.1010.10 Alpha Beta 2-Layer Sandwich Phosphatidylinositol 3-kinase Catalytic Subunit Chain A, domain 4CATH (4.3.0)
B1.10.1070.11 Mainly Alpha Orthogonal Bundle Phosphatidylinositol 3-kinase Catalytic Subunit Chain A, Domain 5CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A, B, C, D, E
PF00613Phosphoinositide 3-kinase family, accessory domain (PIK domain) (PI3Ka)Phosphoinositide 3-kinase family, accessory domain (PIK domain)- Repeat
A, B, C, D, E
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
A, B, C, D, E
Phosphatidylinositol 3-kinase catalytic subunit type 3