Truncation analysis of an alkaline cellulase from an alkalophilic Bacillus species |
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Authors: | Fumiyasu Fukumori Toshiaki Kudo Koki Horikoshi |
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Affiliation: | Riken institute, Wako-shi, Saitama-ken, Japan |
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Abstract: | A series of truncated gene products from an alkaline cellulase from an alkalophilic Bacillus sp. No. 1139 has been prepared. The variously sized proteins were products of in vitro insertional mutagenesis constructs made by gene inserts containing translational terminators. One product, a 46-kDa protein, which had about half the Mr of the original cellulase, had a similar enzyme activity and pH optimum to the original 92-kDa protein. In contrast, a slightly smaller product protein (43 kDa) did not show cellulase activity. |
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Keywords: | Bacillus sp. Alkaline cellulase (Truncation analysis Alkalophilic strain) |
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