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 C 1.-.-.- : Mainly Alpha (Class) 
 A 1.10.-.- : Orthogonal Bundle (Architecture) 
 T 1.10.1070.- : Phosphatidylinositol 3-kinase Catalytic Subunit; Chain A, Domain 5 (Topology) 
 H 1.10.1070.11 : Phosphatidylinositol 3-kinase Catalytic Subunit; Chain A, domain 5 (Homologous Superfamily) 
 
 Related Enzymes 
 There is one entry in this class. 
 M00043 : 2.7.1.153;   Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit alpha isoform 
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