D-alanylalanine synthetase ddl D-Ala-D-Ala ligase D-alanine--D-alanine ligase MAEKVAVLLGGTSAEREVSLLSGQAVLAGLKEAGIDAYGVDTKDFPVTQLKEQGFDKVFIALHGRGGEDGTLQGVLEFLQLPYTGSGVMASALTMDKLRTKLVWQALGLPISPYVALNRQQFETLSPEELVACVAKLGLPLIVKPSHEGSSVGMSKVDHASELQKALVEAFQHDSDVLIEKWLSGPEFTVAILGDEVLPSIRIQPPGVFYDYDAKYLSDKTQYFCPSGLSDESEQQLAALALQAYHALDCSGWGRVDVMQDRDGHFYLLEVNTSPGMTSHSLVPMAARQYGLSFSQLVARILMLAD DDL_YERPS Cell wall formation (By similarity). YPTB0690 306