| abstract |
An alkaline protease having the following properties; a gene encoding the same; a microorganism producing the same; and washingncompositions containing the same: (i) acting over a broad pH value range of 4 to 13 and achieving, at pH 6 to 12, an activity 80% or more asnhigh as the one at the optimum pH value; (ii) when treated at 40°C for 30 minutes, being stable over a pH value range of 6 to 11; (iii) havingnan isoelectric point of about 8.9 to 9.1; and (iv) being free from inhibition by oleic acid on the casein digesting activity. Because of beingnhighly stable to various surfactants, being tolerant to fatty acids and showing a high stability to oxidizing agents, this alkaline protease isnuseful as an enzyme to be used in cleansers for automatic dish washers and a detergent for clothes, both containing bleaching components. |