The p38? mitogen-activated protein kinase possesses an intrinsic autophosphorylation activity, generated by a short region composed of the a-G helix and MAPK insert.
Beenstock J, Ben-Yehuda S, Melamed D, Admon A, Livnah O, Ahn NG, Engelberg D. The p38? mitogen-activated protein kinase possesses an intrinsic autophosphorylation activity, generated by a short region composed of the a-G helix and MAPK insert. J Biol Chem. 2014 Aug 22; 289(34):23546-56.