ASCWs. The specific interactions made by the ASCWs (a–f) at the active site cleft in the ternary complex of rC, MnATP, and PKI(5–24) are summarized. The numerical designations for the ASCWs in the rC:MnATP:PKI(5–24) pdb file are as follows: a (597), b (400), c (477), d (635), e (447), and f (423).