The product mainly secreted in the medium is a bifunctional enzyme with the optimal pH value and concentration of copper ion. 表达产物为双功能酶，分泌至培养基中的酶活力远高于胞内。
The application of genechip based on bioinfomatics became a stronger tool for environmental microbial ecological study and gene determination of function enzyme. 基因芯片技术的运用，成为环境微生物生态研究和功能酶基因定位的有力工具。
