Fig. 2From: Histone N-alpha terminal modifications: genome regulation at the tip of the tailInterplay between N-terminal and Internal histone  modifications. N-terminal acetylation on histone H4 (N-acH4) blocks CK2α-mediated serine 1 (S1) phosphorylation [28]. Moreover, NAA40-mediated N-acH4 also inhibits the activity of HMT1 towards H4R3me2a [25]Back to article page