脲基乙酸 的英文怎麼說
中文拼音 [jīyǐsuān]
脲基乙酸
英文
hydantoic acid
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脲 :
名詞[化學] (尿素) urea; carbamide
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酸 :
酸構詞成分。
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Abstract : in ureide - transporting legumes , ureides ( allantoin and allantoic acid ) are major transportform of biological fixed nitrogen. the distribution , properties , structure and regulation of plant allantoinase were reviewed in detail. the advances in the recent studies on allantoate amidohydrolase and ureidoglycolate amidohydrolase were introduced. and the works desired to be done were pointed out
文摘:全面綜述植物酰
脲降解代謝酶的研究現況,概述植物尿囊素酶的分佈、性質、結構,以及調節控制,並簡介植物尿囊
酸酰胺水解酶和
脲基乙醇
酸酰胺水解酶的研究近況,同時指出待研究的方向。
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At the same time, we also can supply taed, thiourea, melamine, aluminum sulphate, titanium dioxide rutile and anatase, rubber accelerator, methyl cellulose, hydroxypropyl methyl cellulose, monoammonium phosphate and other phosphates, 2 - ethyl anthraquinone, etc
同時還可為客戶提供四
乙酰
乙二胺硫
脲三聚氰胺硫
酸鋁鈦白粉橡膠促進劑甲
基纖維素羥
乙基甲
基纖維素羥丙
基甲
基纖維素,磷
酸二氫銨2 -
乙基蒽醌等十幾種優質化工品。
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Mass spectrometry technique will play more and more role in the field of sequence analysis. standard amino acid thiohydantoins are required as reference standard for development of c - terminal protein sequencing based on the thiohydantoin procedure
在蛋白質c端(異)硫氰
酸法順序測定技術中,標準氨
基酸乙內酰硫
脲( th - aa )的制備是必須首先要解決的問題。
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Code of practice for thermal insulation of roofs externally by means of sprayed rigid polyurethane or polyisocyanurate foam
採用噴塗剛性聚氨
基甲
酸乙酯和聚異三聚氰
脲酸酯泡沫對屋頂外部進行隔熱的實用規程
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Transition metal coordination compounds easily cause d - d transition or change transfer transition. so they show dramatic colors. in this paper, two organic hydrate thermochromic material and a series of thermochromic transition metal complexes are synthesized, and a schiff was synthesized too
研究了對氨
基苯
乙酮、鹽
酸氨
基脲縮水楊醛、三水合對硝
基苯胺以及對氨
基乙酰苯胺等有機物作配體形成的過渡金屬配合物的合成及其熱色性。
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Hydantoinases which consist of hydantoin hydrolase, n - carbamoylase and sometimes hydantoin racemase can hydrolyze d, l - 5 - substituted hydantoin into corresponding optically active amino acids. therefore, the hydantoinases from micro - organisms are widely applied to the industrial production of natural and unnatural amino acids. microbial hydantoinases are considered as industrial enzymes from the origin of life
乙內酰
脲酶是廣泛存在於動物、植物和微生物的一類酶系,包括
乙內酰
脲水解酶( hydantoinhydrolase , hyuh )和n -氨甲酰
基氨
基酸水解酶( n - carbamoylase , hyuc ) ,有些情況下還包括
乙內酰
脲消旋酶( hydantoinracemase , hyur ) 。
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The l - n - carbamoylase of arthrobacter bt801, coded by the hyuc gene, is the rate - limiting and the only stereoselective enzyme. hydantoin hydrolase gene ( hyuh ) and n - carbamoylase gene ( hyu c ) were amplified from the plasmid of puc18 - 169 by pcr and, at the same time, activity expression was obtained in e. coli and pichia pastor is gs115 respectively
節桿菌bt801的
乙內酰
脲水解酶催化
乙內酰
脲類化合物水解開環, n -氨甲酰
基氨
基酸水解酶是該菌
乙內酰
脲酶系中惟一具有立體選擇性的酶,也是整個反應體系的限速酶。
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To improve the production and activity of the enzyme, the hydantoin hydrolase gene ( hyuh ) was cloned into e. coli m15 and bl21 ( de3 ) by using vector pqe60 and pt221 respectively. two expression plasmids were thus constructed
用pcr技術從質粒puc18 - 169中擴增出l -乙內酰脲水解酶基因( hyuh )和n -氨甲酰基氨基酸水解酶基因( hyuc ) ,分別在大腸桿菌和畢赤酵母中實現了活性表達。