肽链

无色杆菌蛋白酶Ⅰ肽链N端作用的突变研究

The Mutation Studies on the N-Terminal Action of Achromobacter Protease ⅰ Peptide Chain

八肽与DNA的作用较强，所以初步推测，肽链越长，其与DNA的作用强度也就越大。

So the initial guess , the longer the peptide chain and the more interaction strength with DNA .

它由A和B两条多肽链组成，其间通过二硫键相连接。

The toxin protein consists of two chains linked by a disulfide bond .

该酶是由1129个氨基酸残基组成的单肽链，酶的N末端序列经测定为：Ala-Gly-His-Gly-Pro-Asp-Val-Gln-Asp-Gly-

The amino acid composition and N-terminal sequence of the enzyme was determined . The N-terminal sequence was Ala-Gly-His-Gly-Pro-Asp-Val-Gln-Asp-Gly - .

蓖麻毒素蛋白来源于蓖麻籽中，由A、B两条肽链通过二硫键连接而成。其中，A链为效应链，具有糖苷酶活性，能使核糖体失活；

Ricin toxin is derived from castor beans and composed of two glycoproteins chains A and chains B linked by a disulfide bond .

用VB制作肽链的延长及终止阶段CAI课件

Making the CAI Courseware of Elongation and Termination of Polypeptide Chain by Using VB

小麦脂质转运蛋白cDNA结构及相应肽链构造特征的分析

Sequence Analysis of Wheat Lipid Transfer Protein cDNA and the Structural Characteristics of Corresponding Peptide

该方法室温进行，反应条件温和，过程易于监测，后处理简单高效，与正向固相合成互补，可高效地实现肽链延长以及C端修饰。

The reaction can be carried out at room temperature under mild conditions and be easily monitored , and the working-up is simple and efficient .

甲硫氨酸氨基肽酶负责切除新生肽链N端的起始甲硫氨酸，其编码基因是细胞存活的必需基因。

Methionine aminopeptidase ( MAP ) is responsible for removing N-terminal methionine from nascent peptides and the gene is essential to the cell .

CYTC分子由肽链将c型血红素辅基紧紧包裹在其中，分子近似为球形。

The heme is closely surrounded by the protein matrix , which brings Cyt c a globular shape .

磷酰化肽链中电子转移的ESR研究

Research on Electron Transfer in Phosphorylated Peptide by ESR

红细胞带Ⅲ蛋白C1肽链的纯化及其功能的初步研究

Purification and characterization of C1 peptide released from band 3 protein

每一个多肽链从氨基端到羧基端由A、B、C三个重复片段组成，A区为高度变异区，诱导机体产生型特异性保护抗体的抗原决定簇位于该区。

Each polypeptide may consist of up to three repeat regions A-C from N-terminus to C-terminus . A-repeat region is hypervariable , type-specific and protective epitopes are located in it .

翻译发生于核糖体上，在那里将mRNA的信息转变为多肽链。

Translation occurs at a site called the ribosome , which allows the information within the mRNA to be converted into a polypeptide chain .

目的：在大肠杆菌中融合表达编码小鼠nestin肽链C段的cDNA序列，制备特异性多克隆抗体；

AIM : To clone and express the C-fragment of cDNA encoding mouse nestin peptide and to obtain specific polyclonal antibody .

猪生长激素（porcinegrowthhormone，pGH）是由猪脑垂体前叶嗜酸性细胞分泌的一种单一肽链的蛋白质激素。

Porcine growth hormone ( pGH ) is a single peptide which is produced and released by the anterior pituitary .

MBL是一个由若干个相同的亚单位组成的寡聚体分子，每条肽链的C端是一凝集素结构域（碳水化合物识别结构域），近N端是一胶原样区。

Each peptide chain has a C-terminal lectin domain ( carbohydrate recognition domain , CRD ) and a collagenous region near the N-terminal .

氨肽酶是一类从多肽链的N端顺序水解氨基酸、使氨基酸逐个游离出来的酶，主要应用于食品工业。

Aminopeptidase is a kind of hydrolytic enzymes , freeing the amino acids from the N-ter-minal sequence of the proteins or peptides , mainly used in the food industry .

慢性丙型肝炎患者HCV核心蛋白基因及其肽链的序列分析

Sequence analyses of core genes of hepatitis C virus genome and their peptide chains in patients with chronic hepatitis C

新型血管紧张素转化酶和中性肽链内切酶的双重抑制剂，在作用机制上较单纯ACE抑制剂有一定的优越性。

New dual ACE / NEP inhibitors are superior to single ACE inhibitors in their mechanism of action .

不同土类农田土壤N2O释放及其影响因素第一类肽链释放因子结构与功能研究的新进展

Study of N_2O Emissions in Different Fields Soil and Its Affecting Factors ; New Progress in Function and Structure of The Class ⅰ Polypeptide Release Factors

只要抗原肽链上关键位置的氨基酸特定地与该HLA分子上的穴区相对应，一个HLA分子则可与多种抗原肽相结合。

Multiple antigen peptides can bind to a single HLA molecule via the interaction between the specific amino acids and the pocket .

另一个运用线性肽链结构的可能缺点是：为了引导出合适抗体反应，表面免疫球蛋白受体簇对于激活静息的B细胞就成为必须因素。

Another possible disadvantage of using linear peptide construct is that , for eliciting appropriate antibody responses , surface immunoglobulin ( Ig ) receptor clustering is needed in order to activate the resting B cells .

特别揭示了明胶多肽链中具有还原性与卤素受体双重功能的Met组份对显影银丝的生长具有明显促进作用。

Especially , it is discovered that methionine component with both reducing ability and the function as halide acceptor in gelatin peptide chain significantly accelerates the growth of developing silver filaments .

B的毒性与硫醚键和螺旋结构相关，A、E的毒性与分子肽链间结构变化有关。

The toxicity of the botulin B is dependent on the thioether bond and the coil structure , and that of A and E on the structural change of peptide Chain in their molecules .

本文对43种蛋白质的肽链进行了统计分析，计算了相邻三个氨基酸的构象参数Rα、Rβ、Rc，并将其分类；

In this paper , the statistical analysis of peptide bonds of 43 proteins is given , the conformational parameters R , R , and R of three neighbour amino acids are calculated and classified .

目的建立尿中性肽链内切酶（NEP）浓度的检测方法并结合临床，探讨它与肾小管损伤的关系。

Objective To explore the relationship between urinary neutral endopeptidase and renal tubular injury .

Tb3+可以和HRP分子中多肽的酰胺发生相互作用，改变了HRP多肽链的构象，从而对活性中心产生微扰。

Tb3 + can interact with amide groups of HRP and change the conformation in HRP , and then disturb the active center .

肽链延长因子（Peptideelongationfactors，eEF1A）是蛋白质生物合成过程中不可缺少的特异蛋白质因子，具有调节蛋白合成及促发凋亡等多种作用。

Peptide elongation factors ( eEFlA ) is the required protein factors in the process of protein biosynthesis , with kinds of effects , such as regulating protein biosynthesis and accelerating apoptosis , et. al .

但采用SDS一梯度聚丙烯酰胺凝胶电泳时出现另一分子量约21.8KDa的蛋白质区带，提示此种酶可能由四条多肽链组成。

The enzyme maybe consists of four polypeptide chains because of the fact that another protein zone is found with molecular weight at about 21.8 KDa .