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Furthermore, during the ligand binding process, the decrease in βturns and increase in α-helices was a slow process.

此外，在蛋白与配基的结合过程中，β-回折的减少和α-螺旋的增加是一个缓慢的过程。

Similar to long regular α-helices, the fraying of the C-teriminal is observed.

类似于一般的较长α-螺旋，观察到了C-端的散开。

Fig.2. Diffraction pattern of system of helices corresponding to structure of deoxypentose nucleic acid.

图2 。衍射系统的螺旋结构的相应deoxypentose核酸。

These results may be useful in designing helices BWT or TWT .

这些结果可用于螺旋线返波管或行波管的设计。

Both three-dimensional chiral compounds have intriguing chiral channels, which are built up of homochiral intertwined double helices. The circular dichroism spectra of 1 and 2 in water have shown they are stable in solution, which document they will be significantly useful in asymmetric catalysis and chiral medicine.

以Keggin结构多金属氧酸盐为建筑单元，通过手性的铜-脯氨酸配合物作为模板剂构筑了2个基于Keggin结构多金属氧酸盐的3D纯手性化合物，化合物1和2是一对对映体，代表了世界上第一例3D手性多酸化合物，具有由同手性螺旋缠绕形成的手性孔道，水溶液中的圆二色谱表征这个3D手性化合物可稳定存在，显示这个物种可以在不对称催化及手性药物方面有潜在的巨大的应用价值。

The properties of several rhodopsin sequences were analyzed by comparing withα2A-adrenergic receptor, and a great similarity was found between bovine rhodopsin andα2A-adrenergic receptor. Therefore transmembrane helices ofα2A-adrenergic receptor were constructed homologically based on the bovine rhodopsin.In the newly constructed structure, a 0.090 nm3 active-site, which was enclosed by several reported active residues, was found.

通过对比多个与α2A-肾上腺素受体同属G-蛋白偶联受体的视紫红质蛋白序列，选择以相似性最大的牛视紫红质蛋白为模板，同源模建了α2A-肾上腺素受体的跨膜结构，并在结构中找到了体积为0.090 nm3，已被报导的活性残基包围的活性位点。

Lucidum. Then we clone the gene, glfks1 and glfks2. Hydropathy analysis predicts that GlFks1 and GlFks2 are integral membrane protein with about 16 and 14 transmembrane helices.In genomic southern blot analysis, glfks1 and glfks2 both are single copy gene.

cerevisiae相关之β-(1，3)-D-葡聚醣合成酶基因fks相似之序列，并将其选殖出来，分别得到glfks1与glfks2，利用hydropathy分析，显示GlFks1与GlFks2分别具有16个与14个transmembrane helix，且推测GlFks1与GlFks2应也是属於嵌入的membrane protein。

From the structural analysis of three praseodymium complexes, we could draw a conclusion that as the dentate arms of carboxyl group on ligands elongating, the coordination numbers of Pr and the coordination modes of ligands increase, and the mean distances between metallic atoms of metallic helices existing in these complexes augment.2. By altering 5-substituting group of isophthalic acid three series of lanthanide complexes 8～19 with 5-methylisophthalic acid and 5-nitroisophthalic acid have been prepared.

从得到的三个配体的镨配合物的结构分析可以看出，随配体的羧基齿臂的增长，Pr的配位数逐渐增大，配体的配位模式增多，配合物中存在的螺旋金属链中的金属间平均距离增大。2、通过改变间苯二甲酸配体的5位取代基，制备了5-甲基间苯二甲酸和5-硝基间苯二甲酸的三个系列稀土羧酸配合物8～19。

The interaction of Jatrorrhizine and Berberine with serum albumin can induce the changes of secondary structure of serum albumin with reduction ofα-helices.

红外光谱和圆二色谱研究表明异喹啉类生物碱的加入引起人血清白蛋白二级结构的变化，降低了血清的α-螺旋结构含量。

Mahaleb. The three-dimensional model of the protein contains 11 α-helices and 21 β-sheets, and the center LRR structural domain is composed of ten tandem LRR motifs.

该基因所编码的蛋白质的三维结构含11个α-螺旋和21个β-折叠，中心LRR结构域由10个串联的LRRs基序组成。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。