These enzymes have been implicated in cell wall hydrolysis, mostextensively in Bacillus subtilis. For instance Swiss:P50739 is expressed during sporulation as an inactive form and then deposited on the cell outer cortex. During germination the the enzyme is activated and hydrolyses the cortex([1]). A similar role is carried out by the partially redundant Swiss:P42249 ([2]). It is not clear whether these enzymes are amidases or peptidases.
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