... that the releasedPc accelerates deactivation of GTP–Ta-activated PDE.These implications are also problematical. First, Pc isreleased from Pabcc to accelerate PDE deactivation.This appears to ... ofPab and Pa a are similar, i.e. assumption (a) was pro-ven. As described, we found that the [3H]cGMP-bind-ing activity of Pa a c¢dd was similar to that of Pa a c¢,i.e. assumption (d) was ... Proc Natl AcadSci USA 86, 4311–4315.13 Yamazaki A, Bondarenko VA, Matsuura I, Tatsumi M,Kurono S, Komori N, Matsumoto H, Hayashi F,Yamazaki RK & Usukura J (2010) Mechanism for the regulation...