連二硫酸 的英文怎麼說
中文拼音 [liánèrliúsuān]
連二硫酸
英文
dithionic acid-
Its action site is located on the postsynaptic membrane and the biological activity of hwtx - i is located in the fifth p - turn containing lys25 and lys 27. to - conotoxin mviia is a neurotoxin belonging to one of n - type ca2 + channels inhibitors, purified from the venom of the conus marine snails, contains 25 amino acid residues with three disulfide binds. it adopts the pattern of ick and its linkage of the disulfide binds and space conformation are highly similar to hwtx - i
-芋螺毒素mviia （ - conotoxinmviia ）是從芋螺屬（ conus ）海底蝸牛毒液中分離提純的一種活性多肽，屬于n -型ca ~ （ 2 + ）通道阻斷劑中一種，含25個氨基酸殘基，三對二硫鍵，其二硫鍵連接方式、分子的空間構象與hwtx -很相似，採取ick結構模體。A new convenient synthesis of a series of polyfluoroalkyl substituted cyclopropane derivatives was achieved by the reaction of polyfluoroalkyl iodides with diethyl allylmalonate in the presence of sodium dithionite in 45 % ~ 55 % yields
摘要以連二亞硫酸鈉為引發劑，烯丙基丙二酸二乙酯與多氟烷基碘代烷在溫和條件下反應，方便地得到一系列多氟烷基取代的環丙烷衍生物，產率45 % ~ 55 % 。[ objective ] heparin is linear polysaccharides consisting of repeating disaccharide unit backbones of n - acetyl - d - glucosamine that is linked to d - glucuronic acid. the disaccharide repeat unit can be modified to include n - and o - sulfation ( 6 - o and 3 - o sulfation of the glucosamine and 2 - o sulfation of the uronic acid ). these specific sulfate patterns are involved in the interaction of heparin with other molecules
[目的]肝素是由n -乙酰葡萄糖胺與d -葡萄糖醛酸以1 4糖苷鍵連接起來的重復二糖單位組成的線性多糖，葡萄糖胺可帶有n -硫酸基團，可在c6上形成0 -硫酸酯，帶有硫酸基團的獨特結構參與了肝素與其他分子的相互作用。It is also strengthening its position in the hydrogen peroxide market. in the next few months, a new plant of sodium hydrosulphite and hydrogen peroxide in nansha, guangdong will be completed
集團並進一步鞏固本身在雙氧水市場的地位，在未來數月將有一家連二亞硫酸鈉保險粉及雙氧水廠在廣東南沙落成。The extracellular 100pl ( ecl1 ) and ecl2 was linked by disulfide bond to maintenanced the stability of the protein secondary structure. in recent years, we showed that ccr5 as a co - receptor could interact with hiv - 1 infect ion. ccr5 was paid closed attention to since it was cloned in 1996. the aim is to - obtain the sequence of first extracillular domain of 3 chemokine receptor 5 ( ccr5 ) n - terminal gene fragment with high level expression in e. coli and to prepare its specific antibody f ( ab ' ) ;, and its detected method
Ccr5具有g蛋白偶聯受體家族（ g - proteincoupledreceptors ， gpcrs ）所特有的7個跨膜區（ transmembrinedomains ， tm ） ，呈螺旋， tm的氨基酸有很高的保守性，膜外第一襻（ extracellularloop1 ， ecl1 ）和ecl2之間有二硫鍵相連，以維持蛋白質二級結構的穩定性。Thioredoxins, an ubiquitous small proteins with a redox active disulfide bridge in its conserved motif - cp ( g ) pc -, are universally distributed in eucaryote and procaryote and have a molecular mass of approximately 12kda. by its disulfide / dithiol interchange reaction, this protein can transmit the regulatory signals to seleted targets ( enzymes, transcription factors etc ) and plays an important role in many plant physiological processes that includes photosynthesis, dna synthesis, transcription, protein disulfide reduction, protein repair, filamentous phage assembly, cell apoptosis and seeds germinating and so on
該蛋白質中含有保守的- cp （ g ） pc -氨基酸活性基序，該基序中的兩個半胱氨酸殘基可通過巰基二硫鍵的轉換實現其氧化還原狀態的變化和電子氫的傳遞，對細胞中與氧化還原相關的多種生理過程的調節起重要作用。通過同許多酶類、蛋白類、細胞內活性因子相藕連， trx能對光合作用、 dna復制、基因轉錄、細胞凋亡和生長、噬菌體組裝、蛋白質的還原和修復信號傳導等生理過程產生影響和調節。The results of lauryl sodium sulfate - polyacrylamide gel electrophoreses ( sds - page ) of the aggregate precipitate and supernatant and the result of high - performance size - exclusion chromatography of the supernatant indicated that, by wrongly linked intermolecular disulfide bonds soluble bi - molecular and tri - molecular egg white lysozyme aggregate could be simultaneously formed except being renatured to native and active egg white lysozymes during the refolding procedure of denatured - reduced egg white lysozyme ; the aggregate precipitate could be further formed by the non - covalent bonds interaction between the soluble hi - molecular egg white lysozyme aggregates, and the soluble tri - molecular egg white lysozyme aggregate could still stay at the supernatant
沉澱和上清液的不連續十二烷基硫酸鈉聚丙烯酰胺凝膠電泳（ sds - page ）和高效凝膠排阻層析分析結果表明，還原脲變性蛋白溶菌酶在稀釋復性過程中除了能夠復性成天然態蛋白溶菌酶分子外，還會形成可溶的蛋白溶菌酶分子二聚體和三聚體，二聚體和三聚體主要是靠分子間二硫鍵的錯配連接而成的；可溶的蛋白溶菌酶分子二聚體之間通過非共價鍵相互作用而形成集聚體沉澱，而可溶的三聚體溶菌酶分子則仍處于復性液上清液中。One 66kd band appeared except 44kd main band when go isozyme above was subjected to sds - page and ce - sds, indicating this go isozyme was similar to that from spinach leaves which contained 40kd and 66kd simultaneously. whether b - mercaptoethanol was added or not when go isozyme was subjected to in sds - page and ce - sds, 40kd main band and 66kd band still appeared, indicating two subunits were not linked by covalent disulfide. amino acid analysis shew that the ratios of basic to acidic amino acid of go isozyme and its 40kd acidic subunit were 0
菜心go同工酶的sds - page和sds -毛細管電泳（ ce - sds ）顯示，該酶除了含40kd主帶外，還有很淺的66kd帶，和之前我們提出的菠菜go同工酶含40kd酸性亞基和66kd堿性亞基相似； sos - page和ce - sds電泳中，無論加入-巰基乙醇與否， go同工酶都只有40kd主帶和66kd淺帶，表明菜心go同工酶中40kd酸性亞基和66kd堿性亞基不是以共價二硫鍵相連；用制備性sds - page法獲得菜心go同工酶的40kd亞基，並和菜心go同工酶一起測定其氨基酸組成，該go同工酶及40kd亞基的堿酸性氨基酸的比例分別為0 . 66和0 . 54 ，表明40kd亞基可能是個酸性蛋白，而66kd帶則是個堿性蛋白。During the course of purification, the method of orthophenanthroline staining is used to detect the ferritin. 30 | il of the fractions eluted from the aca ^ gel column were pulled into the cells of the minim incubation plate. then sopil 20 % dithionite and 40 | il 0. 1 % orthophenanthroline solution were pulled into respectively
在酶標板小孔中加入30 l待測液，加入30 l20的連二亞硫酸鈉溶液還原后，再加入40 l0 . 1鄰菲咯啉溶液，根據有無桔紅色顏色產生確定是否含鐵蛋白。分享友人