多肽链

SRP从受体解离后，新生的多肽链通过通道进入内质网腔。

SRP dissociates from the receptor and the nascent polypeptide chain is translocated through the channel into the ER lumen .

是什么趋势这些多肽链折叠呢？

What drives this polypeptide chain to fold up ?

本文介绍了一种DNA和多肽链序列分析的软件系统。

A computer program for DNA and polypeptide sequence analysis was made .

N（30）除识别HUK外，还识别分子量为18000道尔顿的多肽链。

N30 recognized both HUK and the18000 daltons fragment derived from the large molecule .

该基因包含一个完整的ORF，编码一条由570个氨基酸残基构成的多肽链。

This gene contains a complete ORF , encoding a polypeptide of 570 amino acid residues .

首次证明了在RAP羧基端108个氨基酸多肽链上至少存在一个病理性抗原决定簇。人生长激素分子的抗原决定簇研究

CONCLUSIONS We conclude that at least one nephrogenic epitope is presented within the COOH teminal 108 amino acids polypeptide of RAP molecules . STUDY OF ANTIGENIC DETERMINANTS OF hGH

纯化蛋白制品的SDS聚丙烯酰胺凝胶电泳图谱显示，有两个共纯化的多肽链，其分子量分别为61和69kD。

The pattern of SDS discontinuous buffer system polyacrylamide gel electrophoresis of the final protein preparation showed that two peptides were co purified and their molecular weights were 61 and 69 ? kD , respectively .

第一类释放因子是新生肽链释放所必需的因子，它能正确地识别终止信号，水解肽酰tRNA酯键，释放出新合成的多肽链。

The class 1 release factor is required in termination of protein synthesis . It could accurately recognize the stop signal and promotes the hydrolysis of the ester bond linking the polypeptide chain with the peptidyl ( p ) site tRNA .

多肽链的氨基酸序列。

Primary structure & The amino acid sequence of a polypeptide .

蛋白质是由20种不同的氨基酸组成的多肽链构成。

Protein is composed of polypeptide chains that are formed by 20 different amino acids .

蛋白质是在分子级执行最基本生命功能的多肽链，多肽链被认为是二十种氨基酸字符的线性序列，它折叠成为与其功能相应的复杂的三维结构。

Proteins are polypeptide chains of molecular level , carrying out the most basic life functions .

一种转录因子，其分子内部由于锌指离子的存在而形成多肽链内部的折叠，呈手指状突起。

Zinc finger proteins & One class of transcription factor proteins containing loop-shaped tandem repeating segments that bind zinc atoms .

这一过程持续进行直到多肽链完成；这条链然后被释放出来并折叠成有功能的蛋白质。

This process continues until the polypeptide chain is complete ; the chain is then released and folds into a functional protein .

还有什么其它技术可用于确定此蛋白中的多肽链是相同的或是不同的？

What other protein analysis technique could you employ to determine whether the polypeptide chains in this protein are similar or different ?

糖蛋白是由糖链与多肽链以多种形式共价修饰而形成的一类重要生理活性物质。

Glycoprotein is a kind of vital physiological active object , which is made from many covalent forms of polypeptide and oligosaccharide .

多肽链被蛋白质中氨基酸残基侧链所屏蔽而妨碍有关振动的有效增强。

The peptide groups of proteins are screened by the side-chains of amino acid residues which impede the efficient enhancement of corresponding vibrations .

乙醇解吸可能改变了溶剂的相互作用，削弱了多肽链和树脂之间的疏水相互作用，从而使水解物从吸附的树脂上被洗脱。

Desorption with alcohol reversed the solvent antagonism , weaken hydrophobic interaction forces between the peptides and resins and hence to elute the peptides .

推导的多肽链一级结构分为三个结构域，分别是一个短的N-端保守序列和一个C-端保守序列以及一个长的、多变的中部重复序列区。

The primary structure of the deduced polypeptides comprised a short N - and C-terminal conserved domain , and a long , variable repetitive domain .

它总共约有67%的螺旋结构，还含有少量的转角结构和松散的多肽链。

Altogether , roughly 67 % of HSA is helical , with a remainder in turns and extended polypeptide and a large number of disulphide bridges .

许多蛋白质结构主要用三种标准描述，但是如果蛋白质包含一个以上的多肽链，就必需考虑四级结构标准。

Some proteins consist of more than one polypeptide chain , and the association of these subunits in the protein gives rise to the quaternary structure .

氨基酸连接起来形成多肽链，多肽链又折叠压缩成球状三维结构的功能蛋白。

The joining of the amino acids into a chain results in the formation of a polypeptide chain which then folds into the compact , globular three-dimensional structure that is a functional protein .

这些实验结果都清晰地反映了与卟啉共价相连的多肽链的二级结构对卟啉环的堆积模式以及超分子聚集体的超分子手性与形貌的调控作用。

These results clearly reveal the effect of secondary conformation of pentapeptide chain in the conjugate molecule on the packing mode of porphyrin chromophore , supramolecular chirality , and morphology of the self-assembled nanostructure .

20种不同的有机分子结合起来组成多肽链或蛋白质。这20个氨基酸主结构相同，但每种又分别有各自不同的侧基团。

One of the 20 different organic molecules that are joined together to form a polypeptide chain or a protein The twenty amino acids share a common backbone , but each has a specific side-group .

因此，在蛋白质的多肽链中，二级结构不同是导致受损伤与否的主要原因，这对于判断蛋白质自由基的形成位点提供了理论依据。

Therefore , in the secondary structure of polypeptide , different conformations adopted by the protein are the main cause for their vulnerability against oxidative stress , and this could be used as a theoretical evidence to find the sites for protein radical .

研究发现在所有已知物种中均存在蛋白翻译后修饰，它是指对新合成的多肽链或蛋白质进行的化学修饰从而调节蛋白质的功能（如定位、稳定性和特异性等）以及寿命。

Many research detected that post-translational modification of proteins is observed in all known living organisms , and it is the chemistry modification to new synthetic polypeptide chains or proteins . Post-translational modification might regulate many functions of proteins ( such as location , stability and specificity ) and life .

通过动物实验初步探讨了桑叶多糖、黄酮、生物碱及苦瓜多肽对链脲佐菌素致糖尿病模型小鼠的血糖、血脂及糖耐量的影响。

Effects of the polysaccharide , flavonoids and alkaloids in mulberry leaves and the polypeptide in balsam pear on the blood glucose , blood fat and glucose tolerance of streptozocin diabetic rats were studied in this study .