CAS: 52-90-4; (R)-2-Amino-3-Mercaptopropanoic Acid

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52-89-1 7048-04-6 921-01-7

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L-胱氨酸 以 水 作为反应溶剂,化学反应生成 L-半胱氨酸
参考文献:Electrochemical Studies Of Poly(Mercaptohydroquinone) And Poly(Mercapto-P-Benzoquinone) Films Prepared By Electrochemical Polymerization. Vi.Electroreduction Of L-Cystine On Thiolates Fixed In The Polymer Film
标题:Electrochemical Studies Of Poly(Mercaptohydroquinone) And Poly(Mercapto-P-Benzoquinone) Films Prepared By Electrochemical Polymerization. Vi.Electroreduction Of L-Cystine On Thiolates Fixed In The Polymer Film
摘要:研究人员在涂有标题导电聚合物的玻璃碳电极上对 L-胱氨酸(cysscy)的电催化还原进行了研究,聚合物中固定了铂,钯,铜,银和汞硫酸盐.固定在聚合物中的铂和/或钯硫酸盐是还原裂解 Cysscy 中硫-硫键的极佳电催化活性位点.
DOI:10.1246/bcsj.65.594

专利信息

专利号:US-7041479-B2
优先权日:2000-09-06
标题 :Enhanced in vitro synthesis of active proteins containing disulfide bonds
发明人：SWARTZ JAMES ROBERT; KIM DONG-MYUNG
权利人:TRUSTESS OF THE LELAND STANFOR
摘要:Compositions and methods are provided for the enhanced in vitro synthesis of polypeptides containing disulfide bonds. In order to improve the performance of in vitro protein synthesis reactions, pre-treatment and redox buffering of the reaction mix is performed in order to optimize the redox potential. Exogenous enzymes that enhance protein folding and disulfide bond formation may also be added to the reaction.

专利号:US-5824472-A
优先权日:1986-03-24
标 题 :Process for the synthesis of sugar nucleotides using recombinant-DNA methods
发明人：BETLACH MICHAEL R; DOHERTY DANIEL H; VANDERSLICE REBECCA W
权利人:MONSANTO CO
摘要:A recombinant-DNA mediated method for the synthesis of sugar nucleotides is disclosed. This method utilizes portable DNA sequences capable of directing the microbial synthesis of various enzymes that catalyze the synthesis of sugar nucleotides, including UDP-glucose, UDP-glucuronic acid and GDP-mannose. The sugar moieties of these sugar nucleotides may subsequently be incorporated into industrially-useful polysaccharides such as xanthan gum. It has been found that vectors containing the portable DNA sequences described herein are capable both of causing sugar nucleotide production in microorganisms previously incapable of such synthesis and of causing increased sugar nucleotide production in organisms capable of synthesizing small quantities of these compounds. In particular, plasmids pAS7, pAS9 and pTS13 are disclosed. These plasmids are capable of directing sugar nucleotide synthesis in various hosts, including Xanthomonas sp. such as X. campestris and other organisms such as E. coli and various Pseudomonas sp.

专利号:US-6350595-B1
优先权日:1997-10-28
标题:Synthesis of polynucleotides having random sequences
发明人：NEUNER PHILIPPE
权利人:ISTITUTO DI RICERCHE DI MOLECO
摘要:Subject of this invention is a process for the chemical synthesis of polynucleotides having totally or partially random sequences, based on the utilization, as synthesis monomer units for the random sequence part, or presynthesized mononucleotides and dinucleotides. Said synthesis is carried out on separate supports, so that on each of those supports is alternated at least one reaction cycle wherein a mixture of said dinucleotides is bound, with at least one reaction cycle wherein a mononucleotide is bound, and that in a preferred embodiment at the end of the n cycles required for a codon synthesis, the supports are mixed and then redivided into one or more reaction containers. The resulting polynucleotides are such that, for the random sequence part, each trinucleotide unit is fit to match only a limited number of codons, predefined for each unity in number and sequence, and the genetic code degeneracy effects can thus be eliminated. FIG. 1 shows the chemical structure of the dinucleotides utilized as monomer units for the synthesis of codons forming the final sequence.

专利号:WO-9312076-A1
优先权日:1991-12-13
标题:Reagents for automated synthesis of peptide analogs
发明人：WEBB THOMAS ROY
权利人:CORVAS INT INC
摘要:Reagents suitable for synthesis of peptide analogs using automated peptide synthesis and procedures for synthesis of peptide analogs are provided.

专利号:US-10865390-B2
优先权日:2018-02-12
标 题 :Alcohol dehydrogenase mutant and application thereof in synthesis of diaryl chiral alcohols
发明人：NI YE; ZHOU JIEYU; XU GUOCHAO; WANG YUE
权利人:UNIV JIANGNAN
摘要:The present disclosure discloses an alcohol dehydrogenase mutant and application thereof in synthesis of diaryl chiral alcohols, and belongs to the technical field of bioengineering. The alcohol dehydrogenase mutant of the present disclosure has excellent catalytic activity and stereoselectivity, and may efficiently catalyze the preparation of a series of chiral diaryl alcohols in R- and S-configurations. By coupling alcohol dehydrogenase of the present disclosure to glucose dehydrogenase or formate dehydrogenase, the synthesis of chiral diaryl alcohol intermediates of various antihistamines may be achieved. Compared with the prior art, a method for preparing diaryl chiral alcohols through asymmetric catalytic reduction using the alcohol dehydrogenase of the present disclosure has the advantages of simple and convenient operation, high substrate concentration, complete reaction and high product purity, and has great industrial application prospects.

专利号:US-2025019732-A1
优先权日:2023-07-07
标 题:Method for chemical-biological cascade synthesis of l-phosphinothricin and mutants therefor
发明人：XUE YAPING; CHENG FENG; ZOU SHUPING; XU JIANMIAO; ZHENG YUGUO
权利人:UNIV ZHEJIANG TECHNOLOGY
摘要:A method for chemical-biological cascade synthesis of L-phosphinothricin is carried out as follows: 3-(methylethoxyphosphinyl) ethyl propionate is synthesized by addition reaction from diethoxymethylphosphine and acrylic acid, then a condensation reaction is carried out with 3-(methylethoxyphosphinyl) ethyl propionate and sodium ethoxide as reactants, then the product is subjected to a hydrolysis reaction with diethyl oxalate to synthesize 4-(hydroxymethylphosphinyl)-2-oxobutyric acid, and finally, L-phosphinothricin is catalytically synthesized by taking 4-(hydroxymethylphosphinyl)-2-oxobutyric acid as a raw material, and using highly active and stable wet cells co-expressing phsophinothricin dehydrogenase and alcohol dehydrogenase or co-expressing a phsophinothricin dehydrogenase mutant and alcohol dehydrogenase as a biocatalyst, thereby solving the problems of existing L-phosphinothricin synthesis being tedious, low asymmetric amination reduction activity and poor stability.