肽一种自然或人工的合成物，包括二个或二个以上氨基酸，通过一个氨基酸的酸基和另一个的羧基结合而成。
Any of various natural or synthetic compounds containing two or more amino acids linked by the carboxyl group of one amino acid and the amino group of another.
它们含有一个或多个功能团如：氨基、羟基、羧基。
They contain one or more functional group such as amide, hydroxy, or carboxy.
化学修饰实验发现：巯基、胍基、氨基、羧基和吲哚基可能参与酶活性中心的组成。
Chemical modification studies showed that the sulfhydryl, guanido, amino, carboxyl and indolyl groups may participate in the active center of the enzyme.
另外，所有的氨基酸都拥有氨基和羧基（除了脯氨酸），一些氨基酸的R基能电离收藏。
In addition to the amino and carboxyl groups possessed by all amino acids(except proline), the R group of some amino acids can ionize.
针对上述情况，本论文较为系统地开展了表面含羧基和氨基的磁性高分子微球的制备及表征研究。
For the above problems, the preparation and characterization of magnetic composite polymer microsphere with carboxyl groups and amido groups are studied in this thesis.
此多克隆抗体经合成与人usp14蛋白羧基末端邻近氨基酸残基序列一致的肽段，免疫动物产生。
Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to residues near the carboxy terminus of human USP14 protein.
此外，它除了还原双键以外可以用来还原各种不同的有机化合物，如：硝基、羰基、氨基、芳香族及杂环化合物、羟基、羧基。
Moreover, catalytic hydrogenation can be used to the reduction of a variety of organic compounds, such as nitro, carbonyl, amino, aromatic and heteroaromatic compound, hydroxy group and carboxy group.
结果SED的空间结构与其它肠毒素超抗原相似，具有两个结构域：氨基末端结构域和羧基末端结构域。
Results the three dimensional structure of sed, similar to that of other enterotoxin superantigens, was composed of two domains: amino terminal domain and carboxyl terminal domain.
此单克隆抗体由合成肽段免疫动物产生，该肽段与人ndrg1蛋白邻近羧基末端氨基酸残基序列一致。
Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to residues near the carboxy terminus of human NDRG1 protein.
该单克隆抗体经由合成的围绕人RBX1蛋白近羧基端的氨基酸肽段免疫动物而生产的。
Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to residues near the carboxy terminus of human RBX1 protein.
该单克隆抗体是通过用重组蛋白免疫动物而制备的，该重组蛋白包含人VEGF受体2蛋白羧基末端150氨基酸残基。
Monoclonal antibody is produced by immunizing animals with a recombinant protein containing the carboxy-terminal 150 amino acid residues of human VEGF receptor 2 protein.
形成肽键的基本方法，可以活化氨基也可以活化羧基，但是迄今为止普遍使用的都是活化羧基的方法。
There are two general methods for the formation of peptide bond, i. e. amino activation or carboxylic group activation.
目的观察羧基化氨基多糖药物抗胃溃疡的作用。
Objective: To observe the effect of carboxyl-amino-polysaccharide on the gastric ulcer.
能聚合形成蛋白质的小分子。名称来自于它们所带的氨基以及酸性的羧基。
Small molecules that can be polymerized to form proteins. Name derives from the presence of an amino group as well as an acidic carboxyl group.
结果验证了在石墨烯上成功引入各种有机基团，如羟基、羧基、氨基、溴基、长链烷基、聚乙二醇、聚苯乙烯等。
The results demonstrate the successful introduction of various organic moieties on graphene, such as hydroxyl, carboxyl, amino, bromine, long alkyl chain, polyethylene glycol, and polystyrene.
壳聚糖的氨基同纤维表面的羧基形成了牢固的离子键结合。
Aminoin chitosan and carboxy on the surface of fiber form strong ionic linkage.
转化酸性卷曲螺旋蛋白(TACC)是一个蛋白家族，其特征是羧基末端共有的约200个氨基酸的卷曲螺旋模体(1)。
Transforming acid coiled-coil (TACC) proteins are a family of proteins characterized by a common coiled-coil motif of approximately 200 amino acids at the carboxy-terminal end (1).
设计合成了含有活性基-羧基、氨基、羟基的尼罗红和尼罗兰衍生物，用来标记生物分子。
Nile red and Nile blue derivatives with carboxyl or amino or hydroxyl group were synthesized, which were used to tag biological molecules.
而二元酸酐酰化反应可改变氨基、羧基的比例，从而降低了明胶的等电点。
The reaction with dicarboxylic acid anhydrides results in an acid addition product, which alters the ratio of free basic to free acidic groups in gelatin, so as to lower the isoelectric point.
作者还观察到当多糖类载体引入氨基或羧基后，大大增强了其抵抗微生物侵蚀的能力。
We noted that after the carboxyl groups and amino groups were introduced to Sephadex, the resistance of the carrier to microbial contamination was largely increased.
研究了尼龙66样品的特性粘度随扩链剂用量的变化规律，测定了扩链前后端羧基、端氨基含量的变化。
The effects of the amount of chain extender on intrinsic viscosity of nylon 66 was studied and the content of end groups was measured.
氨基酸序列与粗糙脉孢霉和啤酒酵母菌的羧基转运蛋白JEN1相似性分别为69%和31%。
The amino acid sequence of the gene showed 69% and 31% identity to the carboxylic transport protein of Neurospore crassa and Saccharomyces cerevisiae, respectively.
氨基酸序列与粗糙脉孢霉和啤酒酵母菌的羧基转运蛋白JEN1相似性分别为69%和31%。
The amino acid sequence of the gene showed 69% and 31% identity to the carboxylic transport protein of Neurospore crassa and Saccharomyces cerevisiae, respectively.
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