>3i5s_C mol:protein length:83 Phosphatidylinositol 3-kinase regulatory subunit alphaMSAEGYQYRALYDYKKEREEDIDLHLGDILTVNKGSLVALGFSDGQEARPEEIGWLNGYNETTGERGDFPGTYVEYIGRKKIS