查询词典 CHOB
- 与 CHOB 相关的网络例句 [注:此内容来源于网络,仅供参考]
-
The optimum temperatures for hydrolysis of the chitosanases were determined to be 52 for ChoA and 48 for ChoB, respectively.
两种壳聚糖酶最适反应pH值均为pH4.0,在pH 3.0—5.0的酸性环境中保持稳定。
-
Two inducible and extracellular chitosanases secreted by Penicillium sp. D-l were purified by ammonium sulfate precipitation as well as gel filtration. The purified enzymes of ChoA and ChoB had molecular masses of 93 and 21 kDa by SDS-PAGE. Both ChoA and ChoB have an acidic pH optimum, which were 4.0. The enzymes were stable over the pH range 3 to 5 for 1 h.
采用(NH_4)_2SO_4盐析法和凝胶过滤层析对Penicillium sp.D-1的壳聚糖酶进行分离提纯,得到两种壳聚糖酶,酶A经变性聚丙烯酰胺凝胶电泳分析,结果显示该酶的分子量约为93 kD;酶B经非变性聚丙烯酰胺凝胶电泳和SDS-PAGE分析,得出分子量约为21 kD。
-
Metal ions of Mn2+ stimulate the ChoA activity and Ca2+ significantly stimulate the ChoB activity, while Cu2+, Fe3+, and Ag+ inhibited them.
酶A的活性能够被Mn~(2+)激活,酶B的活性则能够被Ca~(2+)激活,Cu~(2+),Fe~(3+)和Ag~+则对两种酶的活性都有抑制作用。
-
The Km and Vmax were 7.35 mg/ml and 0.206 nmol/min-mg for ChoA, and 30.42 mg/ml and 0.376xmol/min-mg for ChoB, respectively. A 270bp DNA fragment, the partial chitosanase gene from Penicillium sp.
酶A的米氏常数K_m及最大反应速度V_分别为7.35 mg/ml、0.206 μmol/min·mg,酶B的米氏常数K_m及最大反应速度V_分别是30.42 mg/ml、0.376μmol/min·mg。
- 推荐网络例句
-
Now, however, all children continue in "comprehensive" schools, and the eleven-plus determines which courses of study the child will follow.
然而现在,所有的孩子都要在综合学校继续学习,所以这次考试只是决定他们将要学习哪些课程。
-
Cultivatable land , and led to a general recognition that development must not be carried at the cost of agriculture .
城区的迅速扩大在很多情况下侵占了宝贵的可耕地,使人们普遍认识到发展不能以牺牲农业为代价。
-
Detailed Intrinsic Reaction Coordination calculations were carried out to guarantee the optimized transition-state structures being connected to the related tautomers.
同时,做了详尽的内禀反应坐标计算,以保证所得到的过渡态连接相应的始末异构体。