Which of the  following enzyme is not regulated by calcium or calmodulin?
Calmodulin  mediated  action  of  Ca2+ : Calmodulin (mol.  wt.  17,000) is  a  calcium binding  regulatory  protein.  Ca-calmodulin complex  activates  certain  enzymes 
e.g. adenylate cyclase,  Ca2+  dependent  protein kinases.
Ref: Satyanrayana, Ed 3, page no 405
Adenylate cyclase
Glycogen synthase
Guanylyl cyclase
Hexokinase