PR:Q9Z1M4-1 ribosomal protein S6 kinase beta-2 isoform 1 (mouse) mRPS6KB2/iso:1 capable_of GO:0004674 protein serine/threonine kinase activity PMID:15249583 IDA NCBITaxon:10090 UniProtKB:Q9Z1M4-1 20080301 PRO:CNA