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活性中心
    The activity site of Lox-3 may be-SH in rice embryo.
    稻胚Lox - 3活性中心可能为 -SH。
    Activity site of catalyst was weak L-acid. Pore volume and BET specific surface area of catalyst were 0.85mL/g and 217.7m2/g respectively.
    表征结果表明,活性杂多酸以无定形形态负载在载体上,其活性中心为弱L酸,催化剂的孔体积和比表面积分别为0.85mL/g和217.7m2/g。
    All results show that additional metal ions entered the activity site replacing Zn(II) in the original active site of metalloenzyme, which influenced the enzyme activityAs for B.S.
    结果表明,外加金属离子都能进入上述四种酶的活性中心位点,取代中心位点的Zn(Ⅱ),影响酶活性。
    To further substantiate the hypothesis and study the correlation between interchain cross-linking and enzyme activity of protein disulfide isomerase, two point mutants on PDI’s activity site Cys36/38 1 Ser were generated.
    为进一步证实这一假说并研究蛋白质二硫键异构酶分子间交联与其酶活性的之间的相互关系,本文对蛋白质二硫键异构酶分子进行了两处点突变,分别将位于其两个活性中心内的半胱氨酸(Cys36和Cys381)突变为丝氨酸。
    Hemoglobin (Hb), which was adopted as the biomimetic enzyme of horseradish peroxidase (HRP) for their similar structure in activity site, was used here to study in details its catalytic behavior both in the aqueous media and AOT reversed micro-emulsions.
    本文采用具有相同活性中心的血红蛋白(Hb)模拟辣根过氧化物酶(HRP)的催化行为,系统研究了血红蛋白在水溶液、反相微乳液中的过氧化物酶活性。
    crassa similar to the precursors of phytases from Aspergillus niger Aspergillus ficuum, Aspergillus terrus. The peptide was found to possess the conserved sequence motif RHG×R×P of histine acid phosphates, which was the enzyme activity site of microbial phytases.
    crassa基因组中有一长为1507bp的编码基因与黑曲霉、无花果烟曲霉、土曲霉等微生物植酸酶基因的植酸酶编码基因有一定的同源性,且该基因的结构基因中含有微生物植酸酶常有的活性中心保守序列RHG×R×P。
    It was found that the main reason of catalytic deactivation is the formation of NiOcrystal thus reducing the number of activity site on the catalyst Surfaces, and the secondary reason is the decrease of surface area and the formation of NiA12O4. on a part of active sites.
    发现催化剂失活主要是由于活性中心Ni0聚集并形成晶相,因而降低了催化剂表面活性中心数,其次是由于部分活性中心形成难还原的NiA12O4物种和催化剂比表面降低。
    The results obtainted from TPR,TPD and CO adsorption indicate that the addition of samarium oxide can decrease the reduction temperature of NiO,increase the amount of absorbed H 2 and the number of activity site,and also make the charge density higher.
    TPR、TPD、CO吸附结果表明,海泡石和钐能使镍的还原温度降低,氢吸附量增大,活性中心增加,同时使镍原子电子密度增高。
    The activity of modified EFE is 85% of that of free EFE. It means that the activity site of EFE almost weren't changed.
    修饰酶的活力为天然酶的85%,结果表明酶的活性中心基本保持不变。
    The results of enzyme assay showed that the protein was in inclusion body, with the activity of the supernate only 0.8 U. mL-1. Structural prediction and comparison revealed JcLIP protein with the right structural core and catalytic activity site of lipase. The random coils and insertions of the JcLIP protein sequence is partially different in structure from that of lipase of Rhizomucor miehei, which may imply a different activity.
    结构预测和比较表明,JcLIP蛋白质具有脂酶的结构核心和催化活性中心,而在非核心区具有较毛霉脂酶更多的插入和随机卷曲,这可能是决定二者之间酶活差异的重要原因。
 

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