RIBOSOMAL PROTEIN S6 KINASE, 90KDA, POLYPEPTIDE 4; RIBOSOMAL PROTEIN KINASE B; MITOGEN- AND STRESS-ACTIVATED PROTEIN KINASE 2; RIBOSOMAL PROTEIN S6 KINASE, 90KD, POLYPEPTIDE 4. [Source:RefSeq;Acc:NM_003942]