Patent ID: 8574884

Claim:
An isolated variant Bacillus neutral metalloprotease having at least 95% amino acid sequence identity to the parental polypeptide of SEQ ID NO: 18, and comprising: (i) a substitution at least one of the positions selected from the group consisting of K013, T059, N061, F130, S137, N215, A221, T263, S265 with respect to the parental polypeptide, or (ii) a substitution selected from the group consisting of K013L, T059R, N061R, F130L, S137A, N215H, A221E, T263W, S265P, K013L/T059R/N061R/F130L/S137A/A221E/T263W/S265P, wherein the variant has improved storage stability compared to the parental polypeptide.