CDK7(mol) 39 kDa protein kinase 39 protein kinase CAK CAK1 CDK-activating kinase CR4 protein kinase Cdk7 Cell division protein kinase 7 Cell division protein kinase 7 (EC 2.7.1.-) (CDK-activating kinase) (CAK)(TFIIH) (basal transcription factor complex kinase subunit) (39 kDa protein kinase) (P39 Mo15)(STK1)(CAK1) IMR:0010771 P39 Mo15 Protein-tyrosine kinase MPK-7 STK1 TFIIH basal transcription factor complex kinase subunit CDK (family)