Article(id=1280817513571259252, tenantId=1146029695717560320, journalId=1192105938417971205, issueId=1280817479555462000, articleNumber=null, orderNo=null, doi=10.13343/j.cnki.wsxb.20260037, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1768406400000, receivedDateStr=2026-01-15, revisedDate=null, revisedDateStr=null, acceptedDate=1770739200000, acceptedDateStr=2026-02-11, onlineDate=1783300291674, onlineDateStr=2026-07-06, pubDate=1783094400000, pubDateStr=2026-07-04, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1783300291674, onlineIssueDateStr=2026-07-06, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1783300291674, creator=13701087609, updateTime=1783300291674, updator=13701087609, issue=Issue{id=1280817479555462000, tenantId=1146029695717560320, journalId=1192105938417971205, year='2026', volume='66', issue='7', pageStart='3121', pageEnd='3677', issueExtLink='null', onlineDate='null', pubDate='1783094400000', pubDateStr='2026-07-04', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1783300283564, creator='13701087609', updateTime=1783326087324, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1280925708813832745, tenantId=1146029695717560320, journalId=1192105938417971205, issueId=1280817479555462000, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1280925708813832746, tenantId=1146029695717560320, journalId=1192105938417971205, issueId=1280817479555462000, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=3291, endPage=3308, ext={EN=ArticleExt(id=1280817513952940917, articleId=1280817513571259252, tenantId=1146029695717560320, journalId=1192105938417971205, language=EN, title=Characterization and molecular engineering of a β-xylosidase from
Enterobacter cloacae GX-3, columnId=1192149543992045670, journalTitle=Acta Microbiologica Sinica, columnName=Research Article, runingTitle=null, highlight=null, articleAbstract=
Objective To clone and express a gene encoding the β-xylosidase from Enterobacter cloacae GX-3, a putative member of the glycoside hydrolase family 3, systematically characterize the recombinant enzyme, and improve the xylose tolerance by molecular engineering of key amino acid residues involved in xylose binding. Methods On the basis of the whole-genome sequencing data of E. cloacae GX-3, primers were designed to amplify the β-xylosidase gene annotated as GH3. The target gene was amplified by PCR and cloned into the pQE30 expression vector, and the resulting recombinant plasmid was transformed into Escherichia coli M15 for induced expression. The recombinant enzyme was purified by nickel-affinity chromatography, and its enzymatic properties were studied. Site-directed mutagenesis was conducted on amino acid residues associated with xylose tolerance. Results The β-xylosidase gene belonging to the GH3 family was successfully cloned from E. cloacae GX-3 and heterologously expressed in E. coli M15. Substrate specificity analysis revealed that the recombinant enzyme EXYL was a multifunctional enzyme exhibiting β-xylosidase, β-glucosidase, and α-L-arabinofuranosidase activities. EXYL showed the optimal performance with the substrate of pNPX and at pH 5.5 and 45 ℃. The Km and Vmax values of this enzyme were (0.73±0.06) mmol/L and (130.00±6.85) μmol/(mg·min), respectively. The inhibition constant (Ki) for xylose was (51.95±2.36) mmol/L. When EXYL acted on xylooligosaccharides (X3-X5), the main products were xylose and xylobiose, each accounting for approximately 50% of the yield. Site-directed mutagenesis of xylose tolerance-related residues yielded positive mutants W138C and W138A, which showed 2.38-fold and 1.83-fold improvements in xylose tolerance, respectively. Conclusion This study provides insights into the multifunctional activities of β-xylosidases and offers new strategies for enhancing the xylose tolerance of β-xylosidases in the GH3 family.
, authors=Lin TANG
1, Qing LIU
1, Jinqun HUANG
1, Guidong LIAO
2, Xiaoting YU
1, Shenshen HUANG
2, Liqin DU
1, 2, authorsList=Lin TANG, Qing LIU, Jinqun HUANG, Guidong LIAO, Xiaoting YU, Shenshen HUANG, Liqin DU, authorCompany=null, correspAuthors=Liqin DU, authorNote=
These authors contributed equally to this work.
, correspAuthorsNote=
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GX-3的
β-木糖苷酶的酶学性质及木糖耐受性分子改造, columnId=1192149544164012138, journalTitle=微生物学报, columnName=研究报告, runingTitle=null, highlight=null, articleAbstract=
目的 克隆表达来自阴沟肠杆菌GX-3中注释为糖苷水解酶家族3的β-木糖苷酶,并深入探究其酶学特性。针对该酶木糖耐受性较低的问题,对相关氨基酸残基进行分子改造以提高其木糖耐受性。 方法 根据阴沟肠杆菌GX-3基因组中注释为糖苷水解酶家族3的β-木糖苷酶序列设计引物,通过PCR扩增目的基因,以pQE30为载体构建重组质粒,将其转化至大肠杆菌M15中进行诱导表达,采用镍亲和层析法纯化重组酶,研究重组酶的酶学性质,并对木糖耐受性相关的氨基酸残基进行定点突变。 结果 从阴沟肠杆菌GX-3中成功克隆出属于糖苷水解酶家族3的β-木糖苷酶基因,并实现了在大肠杆菌中的异源表达。底物特异性分析表明,重组酶EXYL是一种多功能酶,具有β-木糖苷酶、β-葡萄糖苷酶和α-L-阿拉伯呋喃糖苷酶3种酶活性。重组酶的最适底物为对硝基苯基-β-D-吡喃木糖苷(p-nitrophenyl-β-D-xylopyranoside, pNPX),其最适pH和温度分别为5.5和45 ℃,Km和Vmax值分别为(0.73±0.06) mmol/L和(130.00±6.85) μmol/(mg·min),木糖的抑制常数Ki值为(51.95±2.36) mmol/L。当重组酶EXYL作用于木寡糖(X3-X5)时,主要产物为木糖和木二糖,产量各约占50%。对EXYL木糖耐受性相关的氨基酸位点进行定点突变,获得正向突变体W138C和W138A,突变酶W138C和W138A的木糖耐受性分别提高了2.38倍和1.83倍。 结论 本研究为探究β-木糖苷酶的多功能酶活性提供了参考,也为增强GH3家族β-木糖苷酶的木糖耐受性提供了新的思路。
, authors=唐林
1, 刘庆
1, 黄金群
1, 廖桂东
2, 余晓婷
1, 黄申申
2, 杜丽琴
1, 2, authorsList=唐林, 刘庆, 黄金群, 廖桂东, 余晓婷, 黄申申, 杜丽琴, authorCompany=null, correspAuthors=杜丽琴, authorNote=
作者贡献声明
唐林:数据整理、论文撰写与实验操作;刘庆:实验操作和数据收集;黄金群:研究构思和设计;廖桂东:蛋白质及突变体酶的建模分析;余晓婷:参与论文修订与监督管理;黄申申:提供部分实验技术支持;杜丽琴:论文构思、写作指导、提供基金支持。
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1.广西大学 生命科学与技术学院,广西微生物资源开发与利用技术创新中心,广西 南宁)])]), Author(id=1280925258614018055, tenantId=1146029695717560320, journalId=1192105938417971205, articleId=1280817513571259252, orderNo=1, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1280925258727264265, tenantId=1146029695717560320, journalId=1192105938417971205, articleId=1280817513571259252, authorId=1280925258614018055, language=EN, stringName=Qing LIU, firstName=Qing, middleName=null, lastName=LIU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.广西大学 生命科学与技术学院,广西微生物资源开发与利用技术创新中心,广西 南宁)])]), Author(id=1280925258890842124, tenantId=1146029695717560320, journalId=1192105938417971205, articleId=1280817513571259252, orderNo=2, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1280925258970533902, tenantId=1146029695717560320, journalId=1192105938417971205, articleId=1280817513571259252, authorId=1280925258890842124, language=EN, stringName=Jinqun HUANG, firstName=Jinqun, middleName=null, lastName=HUANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.Guangxi Technology Innovation Center for Microbial Resources Development and Utilization, College of Life Science and Technology, Guangxi University, Nanning, Guangxi, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1280925259058614287, tenantId=1146029695717560320, journalId=1192105938417971205, articleId=1280817513571259252, authorId=1280925258890842124, language=CN, stringName=黄金群, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.广西大学 生命科学与技术学院,广西微生物资源开发与利用技术创新中心,广西 南宁, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1280925256214877179, tenantId=1146029695717560320, journalId=1192105938417971205, articleId=1280817513571259252, xref=1., ext=[AuthorCompanyExt(id=1280925256227460092, tenantId=1146029695717560320, journalId=1192105938417971205, articleId=1280817513571259252, companyId=1280925256214877179, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2.State Key Laboratory of Non-food Biomass Energy Technology, Nanning, Guangxi, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1280925259306078228, tenantId=1146029695717560320, journalId=1192105938417971205, articleId=1280817513571259252, authorId=1280925259150888977, language=CN, stringName=廖桂东, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2.State Key Laboratory of Non-food Biomass Energy Technology, Nanning, Guangxi, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1280925259754868766, tenantId=1146029695717560320, journalId=1192105938417971205, articleId=1280817513571259252, authorId=1280925259612262427, language=CN, stringName=黄申申, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.Guangxi Technology Innovation Center for Microbial Resources Development and Utilization, College of Life Science and Technology, Guangxi University, Nanning, Guangxi, China), AuthorCompanyExt(id=1280925256235848701, tenantId=1146029695717560320, journalId=1192105938417971205, articleId=1280817513571259252, companyId=1280925256214877179, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1.广西大学 生命科学与技术学院,广西微生物资源开发与利用技术创新中心,广西 南宁)]), AuthorCompany(id=1280925256336511998, tenantId=1146029695717560320, journalId=1192105938417971205, articleId=1280817513571259252, xref=2., ext=[AuthorCompanyExt(id=1280925256353289215, tenantId=1146029695717560320, journalId=1192105938417971205, articleId=1280817513571259252, companyId=1280925256336511998, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.State Key Laboratory of Non-food Biomass Energy Technology, Nanning, Guangxi, China), AuthorCompanyExt(id=1280925256365872128, tenantId=1146029695717560320, journalId=1192105938417971205, articleId=1280817513571259252, companyId=1280925256336511998, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.非粮生物质能技术全国重点实验室,广西 南宁)])], figs=[ArticleFig(id=1280925261088657453, tenantId=1146029695717560320, journalId=1192105938417971205, articleId=1280817513571259252, language=EN, label=Figure 1, caption=
The analysis and alignment of EXYL structure and SDS-PAGE of the purified enzyme. A: The structure analysis of EXYL; B: The structure alignment of EXYL and 7zdy (purple is EXYL, blue is 7zdy); C: SDS-PAGE of recombinant protein EXYL. Lane 1: Protein marker; Lane 2: E. coli M15 with pQE30; Lane 3: Recombinant E. coli M15 with pQE30-exyl; Lane 4: Purified protein EXYL., figureFileSmall=T0EVQEMr3gt3rPUinYb/PA==, figureFileBig=AMaJS7nTDI1El61HlHX9tg==, tableContent=null), ArticleFig(id=1280925261168349230, tenantId=1146029695717560320, journalId=1192105938417971205, articleId=1280817513571259252, language=CN, label=图1, caption=
EXYL蛋白质结构分析和比对图及纯酶SDS-PAGE分析, figureFileSmall=T0EVQEMr3gt3rPUinYb/PA==, figureFileBig=AMaJS7nTDI1El61HlHX9tg==, tableContent=null), ArticleFig(id=1280925261285789743, tenantId=1146029695717560320, journalId=1192105938417971205, articleId=1280817513571259252, language=EN, label=Figure 2, caption=
Determination of the optimal enzymatic reaction conditions and stability of EXYL. A: Effect of pH on EXYL enzyme activity; B: Effect of temperature on EXYL enzyme activity; C: The pH stability of EXYL; D: The thermal stability of EXYL., figureFileSmall=9/wJT9CEZsAva/8FXjTViw==, figureFileBig=QMX4VjO52N8+wVNj+Wq/yA==, tableContent=null), ArticleFig(id=1280925262904791089, tenantId=1146029695717560320, journalId=1192105938417971205, articleId=1280817513571259252, language=CN, label=图2, caption=
EXYL的最适反应条件及稳定性的测定, figureFileSmall=9/wJT9CEZsAva/8FXjTViw==, figureFileBig=QMX4VjO52N8+wVNj+Wq/yA==, tableContent=null), ArticleFig(id=1280925262984482866, tenantId=1146029695717560320, journalId=1192105938417971205, articleId=1280817513571259252, language=EN, label=Figure 3, caption=
Km values and Vmax of β-xylosidase EXYL., figureFileSmall=MgWfWOz4itVZHcgTvMrdCw==, figureFileBig=p1tKET7ykUh1bMXvOYhN4Q==, tableContent=null), ArticleFig(id=1280925263047397427, tenantId=1146029695717560320, journalId=1192105938417971205, articleId=1280817513571259252, language=CN, label=图3, caption=
β-木糖苷酶EXYL的 Km 和 Vmax 值, figureFileSmall=MgWfWOz4itVZHcgTvMrdCw==, figureFileBig=p1tKET7ykUh1bMXvOYhN4Q==, tableContent=null), ArticleFig(id=1280925263110311988, tenantId=1146029695717560320, journalId=1192105938417971205, articleId=1280817513571259252, language=EN, label=Figure 4, caption=
Effect of metal ions and alcohols on EXYL activity. A: Effect of metal ions and alcohols on EXYL enzyme activity; B: Effect of alcohols on EXYL enzyme activity., figureFileSmall=NPhZQnNvzSBWe6msFdlj6Q==, figureFileBig=OFMYeL4aaGc6ADWdWVb26Q==, tableContent=null), ArticleFig(id=1280925263185809461, tenantId=1146029695717560320, journalId=1192105938417971205, articleId=1280817513571259252, language=CN, label=图4, caption=
金属离子及醇类试剂对EXYL酶活力影响, figureFileSmall=NPhZQnNvzSBWe6msFdlj6Q==, figureFileBig=OFMYeL4aaGc6ADWdWVb26Q==, tableContent=null), ArticleFig(id=1280925263248724022, tenantId=1146029695717560320, journalId=1192105938417971205, articleId=1280817513571259252, language=EN, label=Figure 5, caption=
Tolerance of EXYL to xylose and its inhibition constant. A: Tolerance of EXYL to xylose; B: Xylose inhibition constant Ki of EXYL., figureFileSmall=eZlgL8L/4Yupozls/t/THg==, figureFileBig=vKE/z+thnYq6+p8Lg3xqrg==, tableContent=null), ArticleFig(id=1280925263307444279, tenantId=1146029695717560320, journalId=1192105938417971205, articleId=1280817513571259252, language=CN, label=图5, caption=
EXYL的木糖耐受性及抑制常数, figureFileSmall=eZlgL8L/4Yupozls/t/THg==, figureFileBig=vKE/z+thnYq6+p8Lg3xqrg==, tableContent=null), ArticleFig(id=1280925263361970232, tenantId=1146029695717560320, journalId=1192105938417971205, articleId=1280817513571259252, language=EN, label=Figure 6, caption=
HPLC analysis of xylooligosaccharides hydrolyzed by EXYL. A: HPLC analysis of xylose; B: HPLC analysis of standards (X2‒X5); C: HPLC analysis of Xylobiose (X2) hydrolysis products; D: HPLC analysis of xylotriose (X3) hydrolysis products; E: HPLC analysis of xylotetraose (X4) hydrolysis products; F: HPLC analysis of xylopentaose (X5) hydrolysis products., figureFileSmall=oW2t6bvQp4jUULg9P5ZMoQ==, figureFileBig=SZKEIPzPPJF12SlUqX9+Zg==, tableContent=null), ArticleFig(id=1280925263420690489, tenantId=1146029695717560320, journalId=1192105938417971205, articleId=1280817513571259252, language=CN, label=图6, caption=
EXYL水解木寡糖HPLC分析, figureFileSmall=oW2t6bvQp4jUULg9P5ZMoQ==, figureFileBig=SZKEIPzPPJF12SlUqX9+Zg==, tableContent=null), ArticleFig(id=1280925263487799354, tenantId=1146029695717560320, journalId=1192105938417971205, articleId=1280817513571259252, language=EN, label=Figure 7, caption=
Multiple sequence alignment of EXYL. Multiple sequence alignment of EXYL with selected GH3 family enzymes was performed using MEGA-X. Full species names and PDB ID of the selected protein are as follows: 7ZB3: β-xylosidase from Thermotoga maritima MSB8; 5XXL: Beta-glucosidase from Bacteroides thetaiotaomicron VPI-5482; 5TF0: Glycosyl hydrolase family 3 N-terminal domain protein from Bacteroides intestinalis DSM 17393; 6R5I: β-glucosidase from Pseudomonas aeruginosa PAO1; Green box: The tryptophan residue within the conserved motif; Blue box: The catalytic nucleophile of the enzyme., figureFileSmall=qClc43CxwNyvPwkb0AKPRg==, figureFileBig=W8DVol18un0/y6K15G2oVQ==, tableContent=null), ArticleFig(id=1280925263563296827, tenantId=1146029695717560320, journalId=1192105938417971205, articleId=1280817513571259252, language=CN, label=图7, caption=
EXYL的多序列比对图, figureFileSmall=qClc43CxwNyvPwkb0AKPRg==, figureFileBig=W8DVol18un0/y6K15G2oVQ==, tableContent=null), ArticleFig(id=1280925263630405692, tenantId=1146029695717560320, journalId=1192105938417971205, articleId=1280817513571259252, language=EN, label=Figure 8, caption=
Optimum conditions for EXYL and its mutant enzymes. A: Effect of pH on the enzyme activity of EXYL and its mutants; B: Effect of temperature on the enzyme activity of EXYL and its mutants., figureFileSmall=1DbVRH6cQLwIwxytCEPl+w==, figureFileBig=czkdt+G66Cx2C0UCBCh19Q==, tableContent=null), ArticleFig(id=1280925263689125949, tenantId=1146029695717560320, journalId=1192105938417971205, articleId=1280817513571259252, language=CN, label=图8, caption=
EXYL及突变酶的最适条件, figureFileSmall=1DbVRH6cQLwIwxytCEPl+w==, figureFileBig=czkdt+G66Cx2C0UCBCh19Q==, tableContent=null), ArticleFig(id=1280925263747846206, tenantId=1146029695717560320, journalId=1192105938417971205, articleId=1280817513571259252, language=EN, label=Figure 9, caption=
Visualization of surface electrostatic potential and 2D interaction diagram for the EXYL and W138C mutant docking complex. A: Visualization of surface electrostatic potential for the EXYL; B: The 2D interaction diagram for the EXYL; C: Visualization of surface electrostatic potential for the W138C mutant; D: The 2D interaction diagram for the W138C., figureFileSmall=/iaRgHlw5AGiRctaqxoDrw==, figureFileBig=XTSDm4ciK8GlvlAh7ziQHw==, tableContent=null), ArticleFig(id=1280925263819149375, tenantId=1146029695717560320, journalId=1192105938417971205, articleId=1280817513571259252, language=CN, label=图9, caption=
EXYL与突变酶W138C分子对接后蛋白质表面静电势及相互作用2D展示图, figureFileSmall=/iaRgHlw5AGiRctaqxoDrw==, figureFileBig=XTSDm4ciK8GlvlAh7ziQHw==, tableContent=null), ArticleFig(id=1280925263882063936, tenantId=1146029695717560320, journalId=1192105938417971205, articleId=1280817513571259252, language=EN, label=Figure 10, caption=
Molecular docking of EXYL and the W138C mutant enzyme with xylose. A: The active site for EXYL and xylose binding; B: The active site for the W138C mutant enzyme and xylose binding., figureFileSmall=3XmjDyS/asyZUtLT92N2aw==, figureFileBig=m4hPpG8sJ7QuNBq1YbMG6Q==, tableContent=null), ArticleFig(id=1280925263944978497, tenantId=1146029695717560320, journalId=1192105938417971205, articleId=1280817513571259252, language=CN, label=图10, caption=
EXYL和W138C与木糖分子对接细节图, figureFileSmall=3XmjDyS/asyZUtLT92N2aw==, figureFileBig=m4hPpG8sJ7QuNBq1YbMG6Q==, tableContent=null), ArticleFig(id=1280925264003698754, tenantId=1146029695717560320, journalId=1192105938417971205, articleId=1280817513571259252, language=EN, label=Table 1, caption=
Enzyme properties determination of mutants
, figureFileSmall=null, figureFileBig=null, tableContent=
| Enzyme | Km/(mmol/L) | Vmax/[μmol/(mg·min)] | Ki (xylose)/(mmol/L) |
|---|
| EXYL | 0.73±0.06 | 130.00±6.85 | 51.95±2.36 |
| W138L | 1.10±0.13 | 148.40±14.13 | 37.18±1.97 |
| W138C | 1.08±0.12 | 92.83±6.07 | 123.80±4.88 |
| W138H | 0.81±0.05 | 110.10±5.43 | 51.29±2.69 |
| W138N | 3.10±1.41 | 22.66±9.03 | 41.91±2.06 |
| W138F | 0.57±0.05 | 136.50±6.61 | 36.09±1.76 |
| W138A | 0.81±0.05 | 6.66±0.26 | 95.09±5.74 |
), ArticleFig(id=1280925264070807619, tenantId=1146029695717560320, journalId=1192105938417971205, articleId=1280817513571259252, language=CN, label=表1, caption=
突变酶的酶学性质研究
, figureFileSmall=null, figureFileBig=null, tableContent=
| Enzyme | Km/(mmol/L) | Vmax/[μmol/(mg·min)] | Ki (xylose)/(mmol/L) |
|---|
| EXYL | 0.73±0.06 | 130.00±6.85 | 51.95±2.36 |
| W138L | 1.10±0.13 | 148.40±14.13 | 37.18±1.97 |
| W138C | 1.08±0.12 | 92.83±6.07 | 123.80±4.88 |
| W138H | 0.81±0.05 | 110.10±5.43 | 51.29±2.69 |
| W138N | 3.10±1.41 | 22.66±9.03 | 41.91±2.06 |
| W138F | 0.57±0.05 | 136.50±6.61 | 36.09±1.76 |
| W138A | 0.81±0.05 | 6.66±0.26 | 95.09±5.74 |
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