The non-protein part of enzyme is _____?

The non-protein part of enzyme is _____?

انزائم کا غیر پروٹین حصہ _____ ہے؟
Explanation

 The non-protein part of an enzyme is called a cofactor

Coenzyme: A type of cofactor that is loosely bound to the enzyme and can be easily removed. 
Prosthetic group: A type of cofactor that is tightly bound to the enzyme. 
Holoenzyme: The complete enzyme, consisting of the protein part (apoenzyme) and the non-protein part (cofactor).