例句與造句

1. protein engineering and site directed mutagenesis have been used to change the active site and alter the substrate specificity of various hydroxynitrile lyases
   研究人員已經(jīng)利用蛋白質(zhì)工程和定點突變技術(shù)來改變各種醇腈酶的活性位點和底物特異性等。
2. no report was found about the metabolism of isoflavone by ugt1a9 . the substrates metabolized by ugts encompass a wide range of structurally unrelated substances . previous studies revealed that the individual ugts isozymes tend to exhibit un-strict and overlapping patterns of substrate specificity
   過去的研究認(rèn)為，葡醛酸綴合反應(yīng)有各種底物，而且不同的同工酶催化不同結(jié)構(gòu)類型的化合物，但現(xiàn)在認(rèn)識到ugts與底物的關(guān)系不是?一對應(yīng)的關(guān)系，底物譜相互有重疊。
3. bioassay showed that the second-stage juvenile ( j2 ) could be killed by the raw extract of serine protease . serine protease was characterized after purification with ion exchange chromatography and gel filtration chromatography . the t profile, t stability profile, ph profile, substrate specificity and inhibitor were tested
   該酶分子n-端的氨基酸序列為avidtgveashpef，通過n-端氨基酸序列設(shè)計簡并引物，提取被毛孢owvt-1的總rna，rt-pcr克隆了該酶的成熟肽編碼基因(1000bp)，序列分析表明，絲氨酸含量高達(dá)12以上。
4. It's difficult to find substrate specificities in a sentence. 用substrate specificities造句挺難的