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单词 histidine
释义

histidine /'hɪstɪdiːn//'hɪstɪdɪn/

英汉-汉英词典
n. 组氨酸,组织氨基酸
词组 | 习惯用语
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  • historian n. 历史学家, 史学工作者
  • hesitating adj. 犹豫的,踌躇的
histidine n. [生化] 组氨酸
histidine decarboxylase 组氨酸脱羧酶
histidine kinase 组氨酸激酶
histidine hydrochloride 组氨酸盐酸盐
histidine monohydrochloride 盐酸组氨酸

网络短语:
Histidine 组氨酸; 组胺酸; 组织胺酸; 组织氨基酸;
aldol histidine 醇醛组氨酸
His histidine 组氨酸
histidine biosynthesis 组氨酸生物合成
immobilized histidine 固化组氨酸
histidine triad 组氨酸三联体; 三联组氨酸; 蛋白是三联组氨酸; 三联体;
histidine auxotrophs 组氨酸营养缺陷型微生物
histidine tag 组氨酸标签
histidine ammonia-lyase 人类的组胺酸基因;组氨酸解氨酶
英语例句库
  1. The thermokinetics of solid liquid reaction of zinc sulfate with histidine are studied using a microcalorimeter.
    用微热量计对硫酸锌与组氨在水中的固液反应进行了热动力学研究。

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中文百科

组氨酸

由组氨酸脱羧酶催化的组氨酸转变为组胺

不要与组织胺(histamine, C5H9N3)混淆。

组氨酸英语:Histidine,, C6H9N3O2)简写为HisH,α氨基酸结合咪唑官能团。是存在于蛋白质之中最普遍的23种氨基酸之一。初以为只针对婴幼儿是必需的,较长期的研究表明,它也是成年人必不可少的必需氨基酸。等电点为7.59,是碱性氨基酸,生理条件下带正电荷。他的合成密码子为 CAU 及 CAC。组氨酸在1896年由德国医师艾布瑞契·科塞尔(Albrecht Kossel)首次分离出来。

英语百科

Histidine 组氨酸

The histidine-bound heme group of succinate dehydrogenase, an electron carrier in the mitochondrial electron transfer chain. The large semi-transparent sphere indicates the location of the iron ion. From PDB: 1YQ3​.
Various forms of histidine, showing the unphysiologic high-pH unrotonated form in the very center of the figure (it bears a negative charge, not shown, shared equally between the two nitrogens),  and the neutral-pH singly protonated N3-H and N1-H tautomers at the lower left and right respectively.  The physiologically relevant low-pH form, with two hydrogens and a positive charge shared equally between the two nitrogens, is not shown in this figure.
Conversion of histidine to histamine by histidine decarboxylase

Histidine (abbreviated as His or H; encoded by the codons CAU and CAC) is an α-amino acid that is used in the biosynthesis of proteins. It contains an α-amino group (which is in the protonated –NH3 form under biological conditions), a carboxylic acid group (which is in the deprotonated –COO form under biological conditions), and a side chain imidazole, classifying it as a positively charged (at physiological pH). Initially thought essential only for infants, longer-term studies have shown it is essential for adults also.

近义、反义、联想词
近义词
n.
essential amino acid

联想词
tyrosine酪氨酸;glutamate【生化】谷氨酸盐,谷氨酸酯;amino氨基的;residues剩余物;ligand配合基;glutathione谷胱甘肽;nucleotide核苷酸;kinase激酶;peptide肽;ligands配体;phosphate磷酸盐;
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更新时间:2025/6/17 19:36:40