>tr|Q3T920|Q3T920_THECA D-alanine--D-alanine ligase OS=Thermus caldophilus GN=ddl MRVLLIAGGVSPEHEVSLLSAEGVLRHIPFPTDLAVIAQDGRWLLGEKALTALEAKAAPE GEHPFPPPLSWERYDVVFPLLHGRFGEDGTVQGFLELLGKPYVGAGVAASALCMDKDLSK RVLAQAGVPVVPWVAVRKGEPPVVPFDPPFFVKPANTGSSVGISRVERFQDLEAALALAF RYDEKAVVEKALSPVRELEVGVLGNVFGEASPVGEVRYEAPFYDYETKYTPGRAELLIPA PLDPGTQETVQELALKAYKVLGVRGMARVDFFLAEGELYLNELNTIPGFTPTSMYPRLFE AGGVAYPELLRRLVELALT