>tr|A0A6M3ZEC8|A0A6M3ZEC8_BACSU O-acetylserine dependent cystathionine beta-synthase OS=Bacillus subtilis GN=HIR78_16020 MTVITDITELIGNTPLLRLKNFDVPEGVAVYAKLEMMNPGGSIKDRLGDMLIRDALDSGK VKPGGVIIEATAGNTGIGLALSARKYGLKAIFCVPEHFSREKQQIMQALGASIIHTPRQD GMQGAIQKAIQLETEIENSYCVLQFKNRVNPSTYYKTLGPEMWEALDGNIHTFVAGAGSG GTFAGTASFLKEKNPAVKTVIVEPVGSILNGGEPHAHKTEGIGMEFIPDYMDKSHFDEIY TVTDENAFRLVKEAAEKEGLLIGSSSGAALYAALEEAKKASAGTNIVTVFPDSSDRYISK QIYEGGI