>tr|A0A6H0H558|A0A6H0H558_BACIU O-acetylserine dependent cystathionine beta-synthase OS=Bacillus subtilis subsp. subtilis str. SMY GN=HCN55_14690 MTVITDITELIGNTPLLRLKNFDVPEGVAVYAKLEMMNPGGSIKDRLGDMLIRDALDSGK VKPGGVIIEATAGNTGIGLALSARKYGLKAIFCVPEHFSREKQQIMQALGASIIHTPRQD GMQGAIQKAIQLETEIENSYCVLQFKNRVNPSTYYKTLGPEMWEALDGNIHTFVAGAGSG GTFAGTASFLKEKNPAVKTVIVEPVGSILNGGEPHAHKTEGIGMEFIPDYMDKSHFDEIY TVTDENAFRLVKEAAEKEGLLIGSSSGAALYAALEEAKKASAGTNIVTVFPDSSDRYISK QIYEGGI