cdk1.S( African Clawed Frog ) Entrez Gene 380246 Entrez Gene 380246 cyclin-dependent kinase 1 S homeolog Alias MPF|PSTAIR|cdc-2|cdc2|cdc2-a|cdc28a|cdc2x1.1|cdk1-a|cdk1-b|p34cdc2|xcdc2