Cloning, expression, and sequence analysis of the gene encoding the alkali-stable, thermostable endoxylanase from alkalophilic, mesophilic Bacillus sp. Strain NG-27 |
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Authors: | Gupta N Reddy V S Maiti S Ghosh A |
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Institution: | Institute of Microbial Technology, Sector 39-A, Chandigarh-160036, India. |
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Abstract: | Alkalophilic Bacillus sp. strain NG-27 produces a 42-kDa endoxylanase active at 70 degrees C and at a pH of 8.4. The gene for this endoxylanase was cloned and sequenced. The gene contained one open reading frame of 1,215 bases. An active site characteristic of the family 10 beta-glycanases was recognized between amino acids 303 and 313, with the active glutamate at position 310. Though highly thermostable, the enzyme contains no cysteine residue. |
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