... p; P1; p107; p150 protein kinase; p18 component, aminoacyl tRNA synthetase; p21(ras) farnesyl-protein transferase; p24; p260 palmitoyltransferase; p270 palmitoyltransferase; P2Gri;
p34cdc28 kinase; p34 kinase; p34PSK-J3...
http://cancerweb.ncl.ac.uk/omd/contents/P.html