>sp|P37887|CYSK_BACSU Cysteine synthase OS=Bacillus subtilis (strain 168) OX=224308 GN=cysK PE=1 SV=3
MVRVANSITELIGNTPIVKLNRLADENSADVYLKLEYMNPGSSVKDRIGLAMIEAAEKEG
KLKAGNTIIEPTSGNTGIGLAMVAAAKGLKAILVMPDTMSMERRNLLRAYGAELVLTPGA
EGMKGAIKKAEELAEKHGYFVPQQFNNPSNPEIHRQTTGKEIVEQFGDDQLDAFVAGIGT
GGTITGAGEVLKEAYPSIKIYAVEPSDSPVLSGGKPGPHKIQGIGAGFVPDILNTEVYDE
IFPVKNEEAFEYARRAAREEGILGGISSGAAIYAALQVAKKLGKGKKVLAIIPSNGERYL
STPLYQFD