.alpha.-amylase gene having ability for highly producing maltopentaose, vector containing said gene and transformant
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United States of America Patent
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Jul 11, 2000
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N/A
app pub date -
Feb 5, 1998
filing date -
Oct 21, 1997
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Abstract
A modified enzyme having a reduced maltopentaose decomposing activity and improvements in practical usability was provided by a gene coding for .alpha.-amylase highly producing maltopentaose, the .alpha.-amylase comprising an amino acid sequence where an amino acid residue at 57- or 139-position has been substituted in the amino acid sequence of maltopentaose-forming amylase derived from Pseudomonas sp. KO-8940 (Shida, O. et al., Biosci. Biotech. Biochem. Vol. 56, 76-80 (1992)).
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