human plasminogen , a glycoprotein with nh2-terminal glu , is rapidly converted by traces of plasmin to proteolytic derivatives with nh2-terminal met 68 , lys 77 , or val 78 ( `` '' lys-plasminogen '' '' ) , which are much more readily activated to plasmin than is glu-plasminogen .
C0032140
plasminogen
C0017968
glycoprotein