CYCLIN-DEPENDENT KINASE 5 ACTIVATOR 1 PRECURSOR (CDK5 ACTIVATOR 1) (CYCLIN-DEPENDENT KINASE 5 REGULATORY SUBUNIT 1) (TAU PROTEIN KINASE II 23 KDA SUBUNIT) (TPKII REGULATORY SUBUNIT) (P23) (P25) (P35). [Source:SWISSPROT;Acc:Q15078]