You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Functions of apoproteins are/is and explain in detail?
Apolipoproteins carry out several roles:
(1) they can form part of the structure of the lipoprotein, for example, apo B;

(2) they are enzyme cofactors, for example, C-II for lipoprotein lipase,  A-I  for  lecithin:cholesterol  acyltransferase,  or  enzyme inhibitors, for example, apo A-II and apo C-III for lipoprotein lipase, apo C-I for cholesteryl ester transfer protein; and 
(3) they Apolipoproteins carry out several roles:
(1) they can form part of the structure of the lipoprotein, for example, apo B;
(2) they are enzyme cofactors, for example, C-II for lipoprotein lipase,  A-I  for  lecithin:cholesterol