Phospho-p70 S6 Kinase (Thr421, Ser424) Recombinant Monoclonal Antibody for Western Blot, ICC/IF, IP, ELISA RPS6KB1 (p70S6K) is a serine/threonine kinase with 2 non-identical kinase catalytic domains which phosphorylates several residues of the S6 ribosom