| D | 1.25.40.70 | Mainly Alpha | Alpha Horseshoe | Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat | Phosphatidylinositol 3-kinase, accessory domain (PIK) | CATH (4.3.0) |
| D | 3.30.1010.10 | Alpha Beta | 2-Layer Sandwich | Phosphatidylinositol 3-kinase Catalytic Subunit | Chain A, domain 4 | CATH (4.3.0) |
| D | 1.10.1070.11 | Mainly Alpha | Orthogonal Bundle | Phosphatidylinositol 3-kinase Catalytic Subunit | Chain A, Domain 5 | CATH (4.3.0) |
| E | 1.25.40.70 | Mainly Alpha | Alpha Horseshoe | Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat | Phosphatidylinositol 3-kinase, accessory domain (PIK) | CATH (4.3.0) |
| E | 3.30.1010.10 | Alpha Beta | 2-Layer Sandwich | Phosphatidylinositol 3-kinase Catalytic Subunit | Chain A, domain 4 | CATH (4.3.0) |
| E | 1.10.1070.11 | Mainly Alpha | Orthogonal Bundle | Phosphatidylinositol 3-kinase Catalytic Subunit | Chain A, Domain 5 | CATH (4.3.0) |
| C | 1.25.40.70 | Mainly Alpha | Alpha Horseshoe | Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat | Phosphatidylinositol 3-kinase, accessory domain (PIK) | CATH (4.3.0) |
| C | 3.30.1010.10 | Alpha Beta | 2-Layer Sandwich | Phosphatidylinositol 3-kinase Catalytic Subunit | Chain A, domain 4 | CATH (4.3.0) |
| C | 1.10.1070.11 | Mainly Alpha | Orthogonal Bundle | Phosphatidylinositol 3-kinase Catalytic Subunit | Chain A, Domain 5 | CATH (4.3.0) |
| B | 1.25.40.70 | Mainly Alpha | Alpha Horseshoe | Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat | Phosphatidylinositol 3-kinase, accessory domain (PIK) | CATH (4.3.0) |
| B | 3.30.1010.10 | Alpha Beta | 2-Layer Sandwich | Phosphatidylinositol 3-kinase Catalytic Subunit | Chain A, domain 4 | CATH (4.3.0) |
| B | 1.10.1070.11 | Mainly Alpha | Orthogonal Bundle | Phosphatidylinositol 3-kinase Catalytic Subunit | Chain A, Domain 5 | CATH (4.3.0) |
| A | 1.25.40.70 | Mainly Alpha | Alpha Horseshoe | Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat | Phosphatidylinositol 3-kinase, accessory domain (PIK) | CATH (4.3.0) |
| A | 3.30.1010.10 | Alpha Beta | 2-Layer Sandwich | Phosphatidylinositol 3-kinase Catalytic Subunit | Chain A, domain 4 | CATH (4.3.0) |
| A | 1.10.1070.11 | Mainly Alpha | Orthogonal Bundle | Phosphatidylinositol 3-kinase Catalytic Subunit | Chain A, Domain 5 | CATH (4.3.0) |