核心酶

一般认为端粒酶的蛋白催化亚基和RNA亚基组成了核心酶，它们对体外活性是必需的。

It is believed that telomerase catalytic subunit and RNA subunit constitute the core enzyme , which is essential for the telomerase activity in vitro .

酵母端粒酶核心酶的纯化和定性研究

Purification and Characterization of Telomerase Core Enzyme of Saccharomyces Cerevisiae

端粒酶是一种特殊的逆转录酶，它能在体内延伸染色体单链末端，在体外延伸寡聚核苷酸。一般认为端粒酶的蛋白催化亚基和RNA亚基组成了核心酶，它们对体外活性是必需的。

Telomerase is a specialized reverse transcriptase that elongates the single-stranded chromosome ends and oligonucleotides in vivo and in vitro .

适当的选择性。因子与RNA聚合酶核心酶结合为同时调控大量的原核基因表达提供了一种有效的机制。

The association of appropriate alternative sigma factors with core RNA polymerase provides an effective mechanism for simultaneously regulating large numbers of prokaryotic genes .

SOD对低温反应敏感，是核桃叶片抗氧化酶系统中的核心酶；而POD活性的增加需要更低的温度诱导。

SOD was sensitive to low temperature and could be the key enzyme of antioxidases . The much lower temperature was need for POD activated .

美国研究人员上周二表示，他们发现了一种可能在中年人发福现象中起到核心作用的酶。

U.S. researchers said Tuesday that they have identified an enzyme that may play a central role in the development of obesity in mid-life .

以α-~3~2P-ATP为标记物研究了草鱼出血病病毒的体外转录，证实该病毒的核心具有RNA转录酶。

An RNA transcriptase activity of grass carp hemorrhage virus cores was demonstrated by the study on the in vitro transcription with α - 32P ATP as the label .

从质外体蛋白与P.expansum纤维素酶各组分相互关系上看，这种协同作用关系，主要表现为质外体蛋白-EG-BG的协同作用，而对在纤维素酶解过程中其起核心作用的CBH酶活力没有影响。

From the relations between apoplast proteins and each component of P. expansum cellulose , the main synergistic exhibition is apoplast proteins-EG-BG , and without any effect on CBH activity which is the core factor in the cellulase hydrolysis .

先天性心脏病核心家庭蛋氨酸合酶基因多态性研究

Polymorphism of Methionine Synthase Gene in Nuclear Families of Congenital Heart Disease

乙型肝炎表面抗原和核心抗原的免疫酶标定位

Cellular localization of surface and core antigen of hepatitis-B virus by immunoperoxidase technic