摘要:
There are provided a polynucleotide sequence coding for an amino acid sequence capable of preferentially producing (S)-4-bromo-3-hydroxy-butanoate by asymmetrically reducing 4-bromo-3-oxobutanoate, A DNA construct having a promoter in operative linkage with the polynucleotide sequence, a recombinant vector containing the polynucleotide sequence, a transformant, a recombinant vector and the like.
摘要:
There are provided a polynucleotide sequence coding for an amino acid sequence capable of preferentially producing (S)-4-bromo-3-hydroxybutanoate by asymmetrically reducing 4-bromo-3-oxobutanoate, A DNA construct having a promoter in operative linkage with the polynucleotide sequence, a recombinant vector containing the polynucleotide sequence, a transformant, a recombinant vector and the like.
摘要:
There is provided a reductase characterized by (i) an amino acid sequence of SEQ ID NO:1 having a substitution at amino acid position 54 or 104 or at both of the amino acid positions 54 and 104, or (ii) an amino acid sequence defined in (a) having further deletion, substitution, or addition of an amino acid or acids and the like, which reductase is provided with good heat stability and selectivity.
摘要翻译:提供了一种还原酶,其特征在于:(i)SEQ ID NO:1的氨基酸序列在氨基酸位置54或104或氨基酸位置54和104两者具有取代,或(ii)氨基酸序列 定义为(a)进一步缺失,取代或添加氨基酸或酸等,该还原酶具有良好的热稳定性和选择性。
摘要:
There are disclosed a reductase having good heat stability, which resulted in decrease in reaction time and improvement of reaction efficiency. Specifically, disclosed is an enzyme having an amino acid sequence of SEQ ID NO:1 in which at least one of the amino acids of the positions 245 and 271 of the amino acid sequence of SEQ ID NO:1 is replaced with another amino acid(s); a polynucleotide having a nucleotide sequence that encodes the amino acid sequence of said reductase; a vector containing said polynucleotide; a transformant containing said polynucleotide or said vector, and the like.
摘要翻译:公开了具有良好的热稳定性的还原酶,导致反应时间的降低和反应效率的提高。 具体地,公开了具有SEQ ID NO:1的氨基酸序列的酶,其中SEQ ID NO:1的氨基酸序列的位置245和271的至少一个氨基酸被替换为另一个氨基酸( s); 具有编码所述还原酶的氨基酸序列的核苷酸序列的多核苷酸; 含有所述多核苷酸的载体; 含有所述多核苷酸或所述载体的转化体等。
摘要:
There is provided a reductase characterized by (i) an amino acid sequence of SEQ ID NO:1 having a substitution at amino acid position 54 or 104 or at both of the amino acid positions 54 and 104, or (ii) an amino acid sequence defined in (a) having further deletion, substitution, or addition of an amino acid or acids and the like, which reductase is provided with good heat stability and selectivity.
摘要翻译:提供了一种还原酶,其特征在于:(i)SEQ ID NO:1的氨基酸序列在氨基酸位置54或104或氨基酸位置54和104两者具有取代,或(ii)氨基酸序列 定义为(a)进一步缺失,取代或添加氨基酸或酸等,该还原酶具有良好的热稳定性和选择性。
摘要:
The present invention provides a novel process for producing a sulfur-containing α-amino acid compound such as methionine. A process for producing a sulfur-containing α-amino acid compound represented by the formula (2): wherein R1 represents hydrogen, an alkyl group having 1 to 8 carbon atoms, or an aryl group having 6 to 20 carbon atoms; comprising: a first step of culturing a microorganism capable of converting a sulfur-containing amino alcohol compound represented by the formula (1): wherein R1 is the same as defined above into the corresponding sulfur-containing α-amino acid compound in a culture medium containing a lower aliphatic alcohol to prepare a microbial cell of the microorganism; and a second step of reacting the sulfur-containing amino alcohol compound with the microbial cell of the microorganism obtained in the first step or a processed product of the microbial cell.
摘要:
Provided are genes coding a protein having an ability of asymmetrically reducing a 2-oxo-4-phenylbutyrate to produce a (R)-2-hydroxy-4-phenylbutyrate advantageously from the industrial standpoint, the protein, and methods of producing a (R)-2-hydroxy-4-phenylbutyrate using them. Genes having a base sequence coding an amino acid sequence shown in SEQ ID NO:1, or a base sequence shown by a base sequence shown in SEQ ID NO:2.
摘要翻译:提供的是编码具有不对称还原2-氧代-4-苯基丁酸酯的能力的蛋白质的基因,从工业的角度有利地产生(R)-2-羟基-4-苯基丁酸酯,蛋白质和产生(R )-2-羟基-4-苯基丁酸酯。 具有编码SEQ ID NO:1所示的氨基酸序列的碱基序列的基因或由SEQ ID NO:2所示的碱基序列显示的碱基序列。
摘要:
The present invention provides a process of asymmetrically reducing an ortho-substituted phenylglyoxalic acid compound to produce a corresponding optically-active ortho-substituted mandelic acid compound by using a microorganism having an ability of reducing the ortho-substituted phenylglyoxalic acid compound into the optically-active ortho-substituted mandelic acid compound, or a treated product thereof.
摘要:
The present invention relates to a protein which can asymmetrically reduce an ortho-substituted phenylglyoxalic acid compound to produce an aide or ester compound of corresponding optically-active ortho-substituted mandelic acid compound with a good optical yield, a DNA encoding the protein, a process for producing the protein from the DNA, and a process for asymmetrically reducing an ortho-substituted phenylglyoxalic acid compound to produce a corresponding optically-active ortho-substituted mandelic acid compound.
摘要:
The present invention relates to a process for producing methionine, comprising a first step of reacting 2-amino-3-buten-1-ol with methanethiol, and a second step of oxidizing 2-amino-4-methylthio-1-butanol obtained in the first step. The present invention also relates to a process for producing 2-amino-4-methylthio-1-butanol, comprising a step of reacting 2-amino-3-buten-1-ol with methanethiol.