Ichijo et al, IkBa phosphorylation ± thereby limiting NFkB activityApr 25, 1997 · ATF2 and PHAS1, which have different primary structure at the phosphorylation site when compared with MBP, Myc, or ELK1, behaved differently insofar as p38catalyzed phosphorylation is concerned p38(E) and p38(6) each demonstrated markedly reduced phosphorylation of ATF2 when compared with that produced by wildtype p38Jun 01, 17 · Definition of abbreviation NCBI = National Center for Biotechnology Information *Thermo Fisher Scientific Western Blotting The protein levels of extracellular signal–regulated kinases (ERKs) 1/2, cJun Nterminal kinases (JNK), p38, p65, IL1β, IL6, and TNFα were measured by Western blotting C1 Am Gray Acronym p38-e