Kawamura et al., "Construction of a Bacillus subtilis Double Mutant Deficient in Extracellular Alkaline and Neutral Proteases," J. of Bacteriology 160(1):442-444 (1984). |
Koide et al., "Cloning and Sequencing of the Major Intracellular Serine Protease Gene of Bacillus subtilis," J. of Bacteriology 167(1):110-116 (1986). |
Stahl et al., "Replacement of the Bacillus subtilis Subtilisin Structural Gene with an In Vitro-Derived Deletion Mutation," J. of Bacteriology 158(2):411-418 (1984). |
Yang et al., "Cloning of the Neutral Protease Gene of Bacillus subtilis and the Use of the Cloned Gene to Create an In Vitro-Derived Deletion Mutation," J. of Bacteriology 160(1):15-21 (1984). |