however , preparations of this enzyme solubilized from golgi membranes of lactating rat mammary gland were shown to be activated not only by mn2+ , ca2+ and mg2+ , but also by spermine , spermidine , lysyl-lysine , ethylenediamine and other diaminoalkanes , and by a range of basic proteins and peptides , including clupeine , histone , polylysine , ribonuclease , pancreatic trypsin inhibitor , cytochrome c , melittin , avidin and myelin basic protein .
C0024337
lysine
C0032518
polylysine