cys 中文意思是什麼

cys 解釋
半胱氨酸
  1. The results showed that : adding tryptone, soy peptone. beef extract, com extract and cys - hcl to jaj could obviously promote the growth of blm and bbm ; by the orthogonal experiment of three elements and three levels, a satisfying jaj compound medium was acquired which included corn extract ( 0. 3 % ), soy peptone ( 0. 05 % ) and cys - hcl ( 0. 025 % ). nextly, after establishing a selective bifidobacterium medium, the effects of jaj on the growth of bifidobacteria in vivo were studied, using healthy mouse of kunming species as experimental animal

    研究了以菊芋汁為主要原料的雙歧桿菌培養基，大量試驗結果表明，在菊芋汁中添加胰蛋白腖、牛肉膏、大豆蛋白腖、玉米漿和半胱氨酸鹽酸鹽等成分，對雙歧桿菌有明顯的促進生長作用；利用大豆蛋白腖、玉米漿和半胱氨酸鹽酸鹽設計了三因素三水平的正交試驗，確定了菊芋汁復合培養基的優化配方：菊芋汁+ 0 . 3玉米漿+ 0 . 05大豆蛋白腖+ 0 . 025半胱氨酸鹽酸鹽。
  2. Two positive clones were sequenced, and the results showed that its nuclcotidc sequence includes an open reading segment which codes for a 45 - amino acids protein and three endonuclcase sites which arc1 bgii, bamh i and bgi ii, this protein was identified as metallothionein based on its characteristic described above and its similarity ( 85 % ) to the mtn gene of drosophila : the 10 cysteine residues present occur in five pairs of cys - x - cys, x is serine, valine, ilistidine or lysine

    結果顯示：擴增的cdna片段長度為289bp ，其中含有一個編碼45個氨基酸的開放閱讀框，閱讀框所編碼的氨基酸中含有10個半胱氨酸，且在序列中均排列成cys - x - cys ，其中x為ser 、 val 、 his或lys 。這些特徵說明擴增的基因片段為家蠅mt基因序列的一部分。此基因序列片段與果蠅mtn基因序列的同源性達到85 . 0 ，擴增的基因序列中含有三個內切酶位點bg 、 bam和bg ，這一點也和果蠅mtn基因十分相似。
  3. The sequence of hntx - v had been determined by 491 sequencer : nh2 - eclgfgkgcnpsdqccksanlvcsrkhrwckyei - cooh, in which there were 35 amino acid residues and six cys. the toxin could block neuromuscular transmission in an isolated mouse phrenic nerve diaphragm preparation. hntx - v is a natural mutant of hntx - iv, for there is only one different residue ( ala20ser )

    Hntx -經491測序儀測得其氨基酸組成為： nh2 - eclgfgkgcnpsdqccksanlvcsrkhrwckyei - cooh ，含35個氨基酸殘基， 6個半胱氨酸全部參與了二硫鍵的形成，該毒素對小鼠膈神經-膈肌標本有阻遏作用。
  4. 46da, respectively. the sequences of the two toxins are determined and found to consist of 34 and 36 amino acid residues, respectively. both of the two sequences include six cys residues, which form three disulphide bonds. jztx - can block neuromuscular transmission in an isolated mouse phrenic nerve diaphragm

    Jztx -對電刺激誘導的小鼠膈神經-膈肌收縮產生抑制作用，濃度為1 . 0 10 ~ （ - 6 ） mol / l時的阻斷時間為15分鐘左右，對鈉通道和延遲調整型鉀通道的激活和失活沒有影響。
  5. Studies of inactivation of a - transglucosidase by chemical modification demonstrated that cys, asp ( glu ) and his residues were indispensable groups of the a - transglucosidase. partial disulfide bonds were the function of this enzyme

    因止，認為cys 、 asp （以）和川s殘基為q葡萄糖轉苦酶的必需基團，部分二硫鍵對保護酶的催化功能是必需的。
  6. The complete amino acid sequence of hwtx - vii has been determined as nh2 - iicap eggpc vagig ccagl rcsga klgla gscq - cooh, which also consists of 6 cys formed three pairs of disulfide bridge. this 34 - residue toxin with molecular weight of 3137. 22da can reversibly paralyze mice

    該毒素由34個氨基酸殘基組成，分子中含6個半耽氨酸殘基，形成三對二硫鍵，分子量為3137 . 22da .其一級結構為: nhz一xicapeggpcvagigccaglrcsgaklglagscq一c00h 。
  7. Its amino acid sequence exhibits significant homology with those of other thrombin - like snake venom enzymes. based on the homology, the catalytic residues and disulfide bridges of gloshedobin were deduced to be as follows : his43, asp88, ser182 and asp176 ; and disulfide bridges, cys7 - 141, cys 28 - 44, cys 76 - 234, cys120 - 188, cys152 - 167 and cys178 - 213

    以同樣的方法，得到長白山白眉蝮蛇（ gloydiusussuriensis ）毒類凝血酶基因，並比較了它與大連蛇島蝮蛇類凝血酶基因序列的差別，發現兩者的同源性高達98 ，只有三個氨基酸不同： gln ~ （ 66 ）
  8. A neurotoxic peptide ( named huwentoxin - v ) was purified from the venom of the spider by a combination of ion exchange chromatography and reverse phase hplc. hwtx - v has 35 amino acid residues, with the molecular mass 4111. 4da. the amino acid sequence has been determined as nh2 - ecrwylggcsqdgdcckhlqchsn - yewcvwdgtfs - cooh, which consists of 6 cys, formed three pairs of disulfide bridges

    本文報道從虎紋捕鳥蛛（ selenocoimahuwena ）粗毒中，結合陽離子交換和反相高效液相色譜分離純化出一種昆蟲毒素，命名為虎紋捕鳥蛛毒素- （ huwentoxin - ， hwtx - ） ；其天然突變體（ themutantofhuwentoxin ， mhwtx - ）也同時純化出來。
  9. Cys - teine is in place of lysine at the usual conserved location but wnk kinases still have kinase activity, while for other protein kinases, the residue has frequently been mutated to eliminate the catalytic activity

    該激酶家族成員在通常保守的位於激酶區域第二亞區的賴氨酸位點，賴氨酸被半胱氨酸所替代，但激酶的生物活性沒有發生變化。而其它蛋白激酶此位點的改變通常會喪失激酶生物活性。
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