摘要:
A process for the production of a 4-halo-3-hydroxybutyronitrile which comprises reacting a 1,3-dihalo-2-propanol with a dehalogenating enzyme originating from a Corynebacterium or a Microbacterium in the presence of an alkali cyanide to thereby convert the 1,3-dihalo-2-propanol into the 4-halo-3-hydroyxbutyronitrile and collecting the product thus formed is disclosed. According to this process, a 4-halo-3-hydroxybutyronitrile which is highly useful in the syntheses of various medicines and physiologically active substances can be easily and efficiently produced from an inexpensive starting material.
摘要:
A process for the production of a 4-halo-3-hydroxybutyronitrile which comprises reacting an epihalohydrin with a halohydrin-halide-lyase originating from a microorganism selected from the group consisting of: Corynebacterium sp. N-2354 FERM BP-2726 and Microbacterium sp. N-4701 FERM BP-2644 in the presence of an alkali cyanide to thereby convert the epihalohydrin into the 4-halo-3-hydroxybutyronitrile and collecting the product thus formed is disclosed. According to this process, a 4-halo-3-hydroxybutyronitrile which is highly useful in the syntheses of various medicines and physiologically active substances can be easily and efficiently produced from an inexpensive starting material.
摘要翻译:一种制备4-卤代-3-羟基丁腈的方法,其包括使表卤代醇与源自选自以下的微生物的卤代醇 - 卤化物裂解酶反应:棒状杆菌属 N-2354 FERM BP-2726和Microbacterium sp。 N-4701 FERM BP-2644在碱金属氰化物的存在下,从而将表卤代醇转化成4-卤代-3-羟基丁腈并收集如此形成的产品。 根据该方法,可以从廉价的原料容易且有效地制备在各种药物和生理活性物质的合成中非常有用的4-卤代-3-羟基丁腈。
摘要:
The present invention provides: a protein having an improved nitrile hydratase activity, whereby heat resistance has been improved when compared with a wild-type nitrile hydratase activity, wherein the amino acid sequence of a nitrile hydratase is modified; a gene DNA encoding the above protein; a recombinant vector having the above gene DNA; a transformant or transductant having the above recombinant vector; a nitrile hydratase collected from a culture of the above transformant or transductant, and a production method thereof; and a method for producing an amide compound.
摘要:
The present invention provides: a protein having an improved nitrile hydratase activity, whereby heat resistance has been improved when compared with a wild-type nitrile hydratase activity, wherein the amino acid sequence of a nitrile hydratase is modified; a gene DNA encoding the above protein; a recombinant vector having the above gene DNA; a transformant or transductant having the above recombinant vector; a nitrile hydratase collected from a culture of the above transformant or transductant, and a production method thereof; and a method for producing an amide compound.
摘要:
The present invention provides: a protein having an improved nitrile hydratase activity, whereby heat resistance has been improved when compared with a wild-type nitrile hydratase activity, wherein the amino acid sequence of a nitrile hydratase is modified; a gene DNA encoding the above protein; a recombinant vector having the above gene DNA; a transformant or transductant having the above recombinant vector; a nitrile hydratase collected from a culture of the above transformant or transductant, and a production method thereof; and a method for producing an amide compound.
摘要:
The present invention provides: a protein having an improved nitrile hydratase activity, whereby heat resistance has been improved when compared with a wild-type nitrile hydratase activity, wherein the amino acid sequence of a nitrile hydratase is modified; a gene DNA encoding the above protein; a recombinant vector having the above gene DNA; a transformant or transductant having the above recombinant vector; a nitrile hydratase collected from a culture of the above transformant or transductant, and a production method thereof; and a method for producing an amide compound.
摘要:
The present invention relates to a novel protein having amidase activity that stereoselectively hydrolyzes &agr;-amino acid amides and &agr;-hydroxy acid amides, and a gene encoding said protein.
摘要:
Provided are a DNA fragment containing a gene relating the autonomous replication of a plasmid, and a DNA fragment containing a gene relating to the autonomous replication of a plasmid wherein a mutation point capable of increasing the number of copies of a plasmid is present in at least one site in the gene. Also provided are a DNA fragment containing a gene having a function relating to the autonomous replication of a plasmid within the bacteria of the genus Rhodococcus, a DNA fragment wherein a mutation point capable of increasing the number of copies of a plasmid is present in at least one site in the gene, and a plasmid carrying a DNA fragment wherein a mutation point capable of increasing the number of copies of a plasmid is present in at least one site of the gene.
摘要:
The present invention relates to a DNA derived from microorganisms of the genus Rhodococcus and conferring kanamycin resistance on hosts with a DNA sequence coding for the amino acid sequence of Sequence No. 1 or a polypeptide containing a partial sequence thereof. The kanamycin resistance gene of the present invention is useful to construct vectors for microorganisms of the genus Rhodococcus, particularly vectors for self-cloning of Rhodococcus rhodochrous.
摘要:
The invention relates to a regulatory factor or system composed of 2 components of a polypeptide having the amino acid sequence of SEQ ID No:1 and a polypeptide having the amino acid sequence of SEQ ID No:2 to activate a nitrilase gene promoter, as well as to DNA coding therefor. Nitrilase can be produced by introducing the gene coding for the present regulatory factor together with a nitrilase gene containing a promoter region into a microorganism of the genus Rhodococcus.
摘要翻译:本发明涉及由具有SEQ ID No:1的氨基酸序列的多肽的2种成分和具有SEQ ID No:2的氨基酸序列的多肽组成的调节因子或系统,以激活腈水解酶基因启动子 关于DNA编码。 可以通过将编码本调节因子的基因与含有启动子区域的腈水解酶基因导入红球菌属的微生物来生产腈水解酶。