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author:

严芬 (严芬.) [1] | 郭养浩 (郭养浩.) [2] (Scholars:郭养浩) | 林木仙 (林木仙.) [3] | 刘盈盈 (刘盈盈.) [4]

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Abstract:

酿酒酵母BY1.1b对苯乙酮酸不对称还原成D-(-)-扁桃酸的反应具有高度的催化还原活性和光学选择性.采用超声波细胞破碎、硫酸铵沉淀、DEAE-Sepharose FF离子交换层析及Sephacryl S-200分子筛层析等步骤,从酵母BY1.1b中分离纯化得到D-(-)-扁桃酸脱氢酶.该酶的相对分子质量约60 000.该酶的生物合成模式为非细胞生长偶联型和非底物诱导型.该酶与酵母醇脱氢酶、马肝醇脱氢酶、乳酸脱氢酶及丙酮酸脱氢酶的底物特异性具有显著差别,是一种新型的脱氢酶.

Keyword:

D-(-)-扁桃酸脱氢酶 底物特异性 纯化 酿酒酵母

Community:

  • [ 1 ] [严芬]福州大学
  • [ 2 ] [郭养浩]福州大学
  • [ 3 ] [林木仙]福州大学
  • [ 4 ] [刘盈盈]福州大学

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Source :

药物生物技术

ISSN: 1005-8915

CN: 32-1488/R

Year: 2007

Issue: 1

Volume: 14

Page: 43-47

Cited Count:

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ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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