查询词典 amino acid

The cDNA (BplPAL1) encoding phenylalanine ammonia-lyase were cloned from Betula platyphylla by reverse transcription polymerase chain reaction and 5' and 3' rapid amplification of cDNA ends, which contains an open reading frame (2322 bp) encoding 773 amino acids. The amino acid sequences contain two functional domains of PAL-HAL and PAL, and the sequence of enzyme active site, which has 60%~73% of consistency with other five plant species and the consistency with Rhizophora mangle is the highest (73.1%).

利用RT-PCR和RACE技术从白桦中克隆了编码苯丙氨酸解氨酶的cDNA，其2322bp的ORF编码773个氨基酸，其推导的氨基酸序列包含PAL-HAL和PAL2个功能域以及酶活性中心序列GTITASGDLVPLSYIA，该序列同其它5种植物的序列一致性为60%~73%，其中与美洲红树最高为73.1%。

To achieve this, further fundamental studies on the optical resolutions of the selected target carboxylic acids and neutral amino acids have been carried out in organic solvents respectively with acidic, basic, and esters of tartaric acid resolving agents, along with the racemization of the neutral amino acids catalyzed by salicylaldehyde.

为此，分别选择代表性的有机酸和中性氨基酸在有机溶剂中与酸性、碱性和酯类拆分剂分别进行光学拆分的深入研究，同时研究了水杨醛催化下L-型中性氨基酸的销旋催化研究。

The cDNA was 919bp in length and contained a complete Open Reading Frame of 576bp, encoding a protein of 192 amino acid residues. The deduced amino acids of OsRPS7 showed 88%、72% and 72% identity with those from Secale cereale、Arabidopsis thaliana and Brassica oleracea, respectively.

该cDNA序列全长919bp，编码192个氨基酸；其与黑麦、拟南芥和芸薹的S7核糖体蛋白的氨基酸一致率分别为88%、72%和72%。

Careful analyses reveal the connections between the structures of tripeptide and dipeptides or amino acids.Based on the method proposed for dipeptides,a method for finding all important tripeptide conformers utilizing dipeptide and amino acid conformers is put forward.

分析给出了三肽稳定构型和相应的二肽及氨基酸稳定构型间的密切联系，基于二肽构型的寻找方法，发展了一种使用二肽和氨基酸稳定构型来高效寻找三肽稳定构型的方法。

Methods: the contents of amino acids are determined by hplc; tryp is determined by pico.tag; vita, vitd, vite, vitb1, vitb2, vitb6, vitb12, vpp, folic acid of formica rufa l. are determined by hplc. results: the amino acids of formica rufa l.

采用高压液相色谱仪测定蛋白质中17种氨基酸成分与含量，使用pico.tag柱前衍生法测定色氨酸成分与含量；使用高压液相色谱法测定维生素a、e、d、b1、b2、b6、b12、烟酸、叶酸等含量。

Nutrient composition of Vallisneria natans was analyzed. Results show that V. natans contained 218.4 gkg^(-1) of protein, 51.4 gkg^(-1) of crude fat, 37.6 gkg^(-1) of polysaccharides, 265.7 gkg^(-1) of ash; and 147.6 gkg^(-1) of total amino acids, 55.0 gkg^(-1) of essential amino acid; and a number of mineral elements, such as 60.5 gkg^(-1) of K, 10.9 gkg^(-1) of Ca, 16.3 gkg^(-1) of Fe, 12.7 gkg^(-1) of Na.

沉水植物苦草的营养成分分析结果表明，其蛋白质含量为218.4gkg^(-1)，脂肪含量为51.4 gkg^(-1)，多糖含量为37.6 gkg^(-1)，灰分含量为265.7 gkg^(-1)；氨基酸总量为147.6 gkg^(-1)，必需氨基酸为55.0 gkg^(-1)；含有K、Ca、Cu、Fe、Zn、Mn、Na、Al、Ba等多种矿质元素，其中K、Ca、Fe、Na含量分别高达60.5、10.9、16.3、12.7gkg^(-1)。

The amino acid compositions of the coat proteins of the 6 isolates were found to be very siwhar each other and similar to the Vulgare strain, althonh minor dihaences ekisted in the amount of certain amino residues.

因而它们有很强的同源性。经病毒粒体外壳蛋白的氨基酸分析，在氨基酸总数上，分离物GD1和GD3各有156个氨基酸。GD2和GD4各有159个，GD5和GD6分别有158和157个氨基酸。

In the view of green chemistry and sustainable development, a series of new easily biodegrading amino acid-based anionic surfactants were prepared by reaction renewable resources as starting materials with amino acids.

本文从绿色化学和可持续发展的角度出发，以天然可再生资源为原料，与氨基酸反应合成一系列新型易生物降解的氨基酸型阴离子表面活性剂。

Based on the analysis of ORF , the two cDNAs encode the respective proteins of 541 and 555 amino acids. The two proteins are 77% identical in amino acid sequences, and they have not significant homologies with all known proteins.

根据读码框架分析，这两个cDNA分别编码541和555个氨基酸的蛋白质，两个蛋白质之间氨基酸序列一致率为77％，和已知蛋白无显著同源性。

Some of these enzymes hae two main functional parts, or actie sites: a site that links the amino acid to the tRNA, and a separate editing site that proofreads this process and remoes wrongly added amino acids.

这些酶中有些酶具有两个主要功能部分或活性位点；一个位点用于连接氨基酸和tRNA，另一个独立编译位点用于校正翻译过程并移除错误的氨基酸。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。