An extracellular alkaline protease produced by Bacillus licheniformis AP-1 was purified 76-fold, yielding a single 28 kDa band on SDS-PAGE. It was optimally active at pH 11 and at 60 degrees C (assayed over 10 min). The protease was completely inhibited by phenylmethylsulfonyl fluoride and diodopropyl fluorophosphate, with little increase upon Ca2+ and Mg2+ addition.
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| http://dx.doi.org/10.1023/B:BILE.0000045642.19299.3f | DOI Listing |
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