The results show that all three residues play important roles in maintaining either the structural or functional integrity of the arginine kinase. The Cys~274might be the active site of ariginine kinase.

• 这3个残基对海参精氨酸激酶结构或功能的保持有着重要作用,Cys274残基可能是海参精氨酸激酶的活性位点。