MSK1
RPS6KA5
UniProt:O75582 RPS6KA5
MAPKAPK2
UniProt:P49137 MAPKAPK2
MSK1 activates CREB
MSK1 activates ATF1
RSK1/2/3 phosphorylates CREB at Serine 133
MAPKAPK2 phosphorylates CREB at Serine 133
CREB phosphorylation