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    • 8. 发明授权
    • Materials and methods for biosynthesis of serine and serine-related
products
    • 生物合成丝氨酸和丝氨酸相关产物的材料和方法
    • US5856148A
    • 1999-01-05
    • US797727
    • 1997-02-11
    • Richard P. Burlingame
    • Richard P. Burlingame
    • C12N9/04C12N15/53
    • C12N9/0006
    • Engineered DNA encoding 3-phosphoglycerate dehydrogenase (PGD) has reduced sensitivity to inhibition by serine in comparison to wild-type PGD. The DNA encodes PGD which has at least some level of enzymatic activity useful for biosynthesis, and which retains that activity at higher serine levels than does the (unmodified) wild-type PGD. The PGD has the amino acid sequence of this above-described engineered DNA. Expression vectors contain this engineered DNA and regulatory DNA positioned and oriented for expression of the engineered DNA in a host expression system. Cells contain these expression vectors, and a method for producing serine or a serine-derived product includes culturing such cells.
    • 与野生型PGD相比,编码3-磷酸甘油酸脱氢酶(PGD)的工程DNA降低了对丝氨酸抑制的敏感性。 DNA编码PGD,其具有至少一些可用于生物合成的酶活性水平,并且在野生型(未修饰的)野生型PGD中保留比丝氨酸水平更高的活性。 PGD​​具有上述工程DNA的氨基酸序列。 表达载体含有这种工程化的DNA和调节DNA,其定位并定向于在宿主表达系统中表达工程化的DNA。 细胞含有这些表达载体,制备丝氨酸或丝氨酸衍生产物的方法包括培养这些细胞。
    • 9. 发明授权
    • Materials and methods for biosynthesis of serine and serine-related
products
    • 生物合成丝氨酸和丝氨酸相关产物的材料和方法
    • US5618716A
    • 1997-04-08
    • US244491
    • 1994-05-24
    • Richard P. Burlingame
    • Richard P. Burlingame
    • C12N1/19C12N1/21C12N9/04C12N15/09C12N15/53C12P13/06C12P13/22C12R1/19C12R1/865
    • C12N9/0006C12P13/06
    • Engineered DNA encoding 3-phosphoglycerate dehydrogenate (PGD) has reduced sensitivity to inhibition by serine in comparison to wild-type PGD. The DNA encodes PGD which has at least some level of enzymatic activity useful for biosynthesis, and which retains that activity at higher serine levels than does the (unmodified) wild-type PGD. The PGD has the amino acid sequence of this above-described engineered DNA. Expression vectors contain this engineered DNA and regulatory DNA positioned and oriented for expression of the engineered DNA in a host expression system. Cells contain these expression vectors, and a method for producing serine or a serine-derived product includes culturing such cells.
    • PCT No.PCT / EP92 / 01873 Sec。 371日期:1994年5月24日 102(e)日期1994年5月24日PCT提交1992年8月17日PCT公布。 出版物WO93 / 12235 日期1993年6月24日编号3-磷酸甘油酸脱氢酶(PGD)的工程DNA比野生型PGD降低了对丝氨酸抑制的敏感性。 DNA编码PGD,其具有至少一些可用于生物合成的酶活性水平,并且在野生型(未修饰的)野生型PGD中保留比丝氨酸水平更高的活性。 PGD​​具有上述工程DNA的氨基酸序列。 表达载体含有这种工程化的DNA和调节DNA,其定位并定向于在宿主表达系统中表达工程化的DNA。 细胞含有这些表达载体,制备丝氨酸或丝氨酸衍生产物的方法包括培养这些细胞。