>sp|Q9YAB6|CSD_AERPE Probable cysteine desulfurase OS=Aeropyrum pernix GN=csd MPRFSCYEVRSEFPELERGIVYLDNAASTLKPRRVVEAMREFSYRSYANVHRGVHRLSME ASKAYEDAHEVVARLVGGSWDEVVFTRNTTEAMQLAALTLAYNGLLRGGEVLVTAADHHS TLLPWVRAARLGGGRARILPLDGRGVPRWDLLEDYITEDTRAVAVGHVSNVTGVVAPVED IVKAAKKVGALVVLDSAQGVPHLPVDFRRMGVDMAAFSGHKMLGPTGIGVLWARRDLLEE LEPPLGGGGTVSRVRLQGGSVEIEWEEPPWKFEAGTPPIIEAVGLAEAANMLMEIGMEHV ARHEDELTSHTMKLLEPLYSEGLIRYVGPDKPGERHGIVSITTHLKSPDELGLLLDRRGI AVRTGLHCAHILHDHVDASMGSVWASFYIYNCKEDAERLAEALEEILTTRR