甲基組氨酸 的英文怎麼說
中文拼音 [jiǎjīzǔānsuān]
甲基組氨酸
英文
methyl histidine-
Other : the dyewood is known as the suppression histidine decarboxylase, the catecha phenol - o - methyl shift enzyme action
其它:染料木素有抑制組氨酸脫羧酶，兒茶酚- o -甲基轉移酶作用Hmb, part of the amino acid leucine, appears to also increase the growth of lean muscle tissue
Hmb （羥甲基丁酸鈣） ） ，是氨基酸和亮氨酸的一部分，似乎能促進精益肌肉組織的成長。The first group is polyurethane prepolumer which is made from polyether resin and diisocyanate etc after polymerization ; the second group is made by mixing up cross linker, accelerator, softener, densifier, mold preventive and stuffing etc
甲組分別是以聚醚樹脂和二異氰酸脂等為原料，經聚合反應製成的含端異氰酸脂基的聚氨基甲酸脂預聚物；乙組分別由交聯劑、促進劑、增韌劑、增黏劑、防霉劑和填充劑等混合加工而成。The hwtx - i gene was chemically synthesized according to its known cdna sequence, the gene was inserted into vector ppic9k which contained aoxj promotor and the sequence of a secreting signal peptide - a - factor, the cloning ppic9k / hwtx - i was constructed and confirmed by two - step pcr and dna sequence analysis, then it was transformed into host strain gs115, a his + muts cell line was screened and multicopy transformants were screened by various g418 concentrations, the multicopy transformant was named gh1. gh1 was cultivated in flasks. after 6 days of induction by 0. 5 % methanol, the supernatant was checked by 16. 5 % tricine - sds page, which showed there was a band in the position of 3. 5 - 6. 1kd, then it was isolated and desalted by ultrofiltration followed by ion exchange of cm column, after reverse phase hplc of ci8 and vacuum drying, the purified rhwtx - 1 was obtained which was proved to be correct recombinant hwtx - i by tricine sds - page, maldi - tof mass spectrometry, amino acid composition analysis, the n - terminal amino acid sequence and its biological activity, the final field of the purified rhwtx - i was about 80mg / l, accounting for 23. 6 % of it total secretory proteins
將帶有hwtx -基因的ppic9k經blgii線性化后，轉化酵母宿主菌gs115原生質體后經篩選陽性克隆並經表型鑒定為his ~ + mut ~ s酵母菌，進一步用遺傳毒素g418篩選多拷貝的轉化菌株，命名為gh1 ；將gh1甲醇酵母菌用0 . 5的甲醇誘導表達，發酵上清經90飽和度的（ nh _ 4 ） _ 2so _ 4沉澱， yw - 3 （ mwc03000 ）的超濾膜超濾，再經cm陽離子交換， c _ （ 18 ）反相hplc純化得到分子量為4kd左右的組分，其中4289 . 05的組分經質譜鑒定，氨基酸組成分析和序列測定為正確的表達產物，生物學活性表明其活性為天然毒素活性70 % ，表達量為80mg / l 。When both genes were co - expressed in e. coli, the activity of ppsa varied from 2. 1 - 9. 1 fold comparing to control, but the activity of tkta was relatively stable ( 3. 9 - 4. 5 fold ). whatever the two genes were expressed respectively or cooperatively, both could promote the production of dahp, the first intermediate of the common aromatic pathway, but co - expression was more effective on forming dahp and screened ppt - and ptp - as more effective. the results demonstrate that co - expression of ppsa and tkta can improve the production of dahp, and what ' s more, when multigenes co - expressed, the recombinant which has coordinated enzymes activity is optimum
莽草酸途徑的最優化和整體調控基因csra的敲除正是上述改變的分子基礎，同時也為三種芳香族氨基酸的基因工程菌的構建打下了基礎; 7 .在國內外首次實現了共同途徑限制性底物關鍵酶ppsa刁無『及arog與分支途徑關鍵酶基因phea的串聯高效表達，所構建的重組質粒ptga ，其ppsa 、 tkta 、 arog 、 cm和pd的酶活分別比對照提高了3 、 2 、 2 ， 5 、 4 、 2 . 3倍，且其酶活比較協調一致; 8 .將ptga導入到篩選的基因敲除和基因替換菌株大腸桿菌31884 c甲b中，搖瓶發酵證實比以往所構建的基因工程菌株具有較高的phe產量和糖轉化率率，分別為0 . 448 %和22 . 4 % 。District heating pipes - preinsulated bonded pipe systems for directly buried hot water networks - joint assembly for steel service pipes, polyurethane thermal insulation and outer casing of polyethylene
區域供暖管道.直埋式熱水管網用預先絕熱有包覆管層的管道系統.聚氨基甲酸乙酯熱絕緣和聚乙烯外覆層的鋼管用接頭組件Rigid cellular polystyrene - cellulosic fiber composite roof insulation
剛性蜂窩狀聚氨基甲酸乙酯-纖維素纖維組合屋面絕緣材料Specifications for particular types of winding wires ; part 2 : solderable polyurethane enamelled round copper wire, class 130, with a bonding layer
特種繞組線規范.第2部分:帶粘合層的可焊接的聚氨基甲酸乙酯漆包圓銅繞組線， 130級Specifications for particular types of winding wires - part 2 : solderable polyurethane enamelled round copper wire, class 130, with a bonding layer ; amendment 2
特種繞組線規范.第2部分:帶粘合層的可焊接的聚氨基甲酸乙酯漆包圓銅繞組線， 130級.修改件2分享友人