>sp|Q465N2|CYAS_METBF Cysteate synthase OS=Methanosarcina barkeri (strain Fusaro / DSM 804) OX=269797 GN=Mbar_A3541 PE=3 SV=1
MGNFKLKCLKCGREYGQEYRLTCENDNAFLRAEYSEKRLVLRNQPGIGRFHSWLPVQEEL
TTDAGPITYKSEAFARELGLSNLYIGFSGYWPERGAFIKTCSFKELEAHPTMQLLKETGG
KAVVLASAGNTGRAFAHVSALTGTDVYIVVPESGASKLWLPEEPTESVHLISMSPGNDYT
DAINLAGRIAKLPGMVSEGGARNIARRDGMGTVMLDAAVTIGKMPDHYFQAVGSGTGGIS
VWEAAMRLRTDGRFGQKLPKLQLAQNLPFVPMYNAWQEKRREIIPELDMKDAKKQVEETY
ATVLTNRTPPYGVMGGLYDALTDTDGIMYAITREEALEAKALFESLEGIDILPPSAVATA
SLLKAVEEGNVSKDETILLNLAGGGYKRLKEDYTLYQIEPVATAKNPDISLDELKI