>tr|D2AHX4|D2AHX4_SHIF2 D-alanine--D-alanine ligase OS=Shigella flexneri serotype X GN=ddlB MTDKIAVLLGGTSAEREVSLNSGAAVLAGLREGGIDAYPVDPKEVDVTQLKSMGFQKVFI ALHGRGGEDGTLQGMLELMGLPYTGSGVMASALSIDKLRSKLLWQGAGLPVAPWVALTRA EFEKGLSDKQLAEISALGLPVIVKPSREGSSVGMSKVVAENALQDALRLAFQHDEEVLIE KWLSGPEFTVAILGEEILPSIRIQPSGTFYDYEAKYLSDETQYFCPAGLEASQEANLQAL VLKAWTTLGCKGWGRIDVMLDSDGQFYLLEANTSPGMTSHSLVPMAARQAGMSFSQLVVR ILELAD