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.
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。
This spatial configuration of the polypeptide chain is the secondary structure.
肽链的这个空间构象就是二级结构。
The structure of many proteins is mostly described in three levels, but a quaternary structural level must be considered if the protein consists of more than one polypeptide chain.
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.
一些蛋白质不只是由一个多肽链组成的，并且这些蛋白质亚基的结构产生了四级结构的。
The primary structure is concerned with the number and type of amino acids present and their sequence in the polypeptide chain.
初级结构与氨基酸数量和类型，以及它们在多肽链上的排列次序有关。
This paper introduced the study general situation of the chemical structure descriptors and statistical method of mathematical modeling in bioactivity polypeptide QSAR research.
介绍了生物活性多肽定量构效关系（QSAR）中化学结构描述符和建立数学模型统计方法的研究概况。
Nattokinase, the main active ingredient of natto, is a potent fibrinolytic enzyme and has a potent protein structure made up of a single polypeptide chain consisting of 275 amine acids.
纳豆激酶，纳豆的主要活性成分，是一种强纤维蛋白溶解性酶，且含有一种由275种氨基酸组成的单个多肽链强蛋白结构。
Also, the modulation of polypeptide chain and solvent environment on secondary structure of peptide segment was discussed.
并讨论了蛋白质肽链和溶剂环境对肽段二级结构的调制作用。
Comparison on the effect of polymyxin B nonapeptide, lipid A structure antagonist, anti-LPS antibody and immune therapy, anti-endotoxin polypeptide and function of Chinese herb medicines on endotoxin.
分析了多粘菌素B九肽、类脂A结构拮抗剂、抗脂多糖抗体及免疫治疗、抗内毒素多肽以及中药对内毒素的作用。
A secondary structure in proteins, relatively flat and formed hydrogen bonding between two parallel or anti-parallel stretches of polypeptide.
蛋白质的一种二级结构，相对平坦，在两条平行的或反向平行的肽段之间形成氢键。
A secondary structure in proteins, relatively flat and formed hydrogen bonding between two parallel or anti-parallel stretches of polypeptide.
蛋白质的一种二级结构，相对平坦，在两条平行的或反向平行的肽段之间形成氢键。
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