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- Objective To clone and express the Trp operon gene of E. 目的克隆并表达大肠杆菌色氨酸操纵子基因,提高其酶活性。
- The lac operon is an inducible operon, whereas the trp operon is a repressible operon. 乳糖操纵元是可诱导的操纵元；色氨酸操纵元是可阻遏的操纵元。
- Keywords Trp operon;Cloning;Expression;Enzyme activity; 色氨酸操纵子;克隆;表达;酶活性;
- Keywords trp Operon;lac Operon;Dynamic Behavior;S-system;Optimization;Bionetwork; 色氨酸操纵子;乳糖操纵子;动态行为;S-系统;优化;生物网络;
- 7．The lac operon is an inducible operon, whereas the trp operon is a repressible operon. 乳糖操纵元是可诱导的操纵元；色氨酸操纵元是可阻遏的操纵元。
- trp operon 色氨酸操纵子
- Experiment 3: Studies on the ideal proportion of the Trp, Thr, lie. 试验3 苏氨酸、异亮氨酸、色氨酸理想比例的研究
- The results showed 36 Trp residues and 12 of them were modified. 在含脲的体系中可修饰36个色氨酸残基； 在不含脲的缓冲体系中可修饰12个色氨酸残基。
- When the second operon with OC mutation, it will continue to express. 当第二个操纵子带有OC突变时，它将持续表达。
- In this paper,the Monod lactose operon modelis described as a computer program by BASIC language. 本文用BASIC语言设计Monod操纵子数学模型的电子计算机程序。
- The value of Trp content in conchiolin multiplied by extractive rate of conchiolin. 根据壳角蛋白Trp含量乘壳角蛋白提取率计算。
- Glucose blocks induction of the lac operon by utilizing a positive control mechanism. 葡萄糖通过正调控机制阻止乳糖操纵元的诱导。
- Transient receptor potential(TRP) ion channels are widely distributed in different kinds of cells. 瞬时受体电位(TRP)通道是一类广泛存在于各种细胞的通道蛋白。
- Using a modified random arbitrarily primed PCR approach, the operon encoding the Enterococcus faecal ... 用改进的随机随机引物PCR的方法，操纵子编码的肠球菌粪便 ...
- We synthesised the basic region (226-252) of natural protein GCN4, and introduced a Trp residue at the N-terminal. 本文合成了天然蛋白GCN4的碱性区(226-252);并在其N末端引入色氨酸残基W;做为单体肽GCN4-W.
- Consequently, if glucose is present in the medium, it is redundant to induce the lac operon. 因此，如果培养基中存在葡萄糖，诱导乳糖操纵元的打开就是多余的。
- The environment of the two Trp residues at positions 93 and 122 in APIB is more hydrophobic than in APIA. 研究表明APIB中的两个Trp残基 (93和 12 2位 )所处环境的疏水性要比APIA中的强。
- However Lys, Val, Tyr, Phe, Cyc and Trp showed strong inhibition effect on the biosynthesis of clavulanic acid. 但添加同样量的赖氨酸、缬氨酸、酪氨酸、苯丙氨酸、半胱氨酸或色氨酸则对克拉维酸的生物合成有显著的抑制作用。
- Also the modeling presents the ligand binding site, active site and the putative binding of tRNA Trp . 模建结果对配基结合位点和活性位点以及可能与tRNATrp结合的方式也给出了预测。
- The NBS can also inhibit the enzyme activity, which demonstrated Trp was a component in the activity center. NBS对酶活性有部分抑制作用，表明酶活性与色氨酸残基有关。
