>sp|A9HZV6|CYSG_BORPD Siroheme synthase OS=Bordetella petrii GN=cysG MKLFPLFADLQGRRVLVVGGGEIAARKVQLLLEASADVRVGAPALTPELALLAAQGRIHA LQGEFRPDWLDDAWLVVAATDDRAVNAAVSQAAQARRIFSNVVDDAELSSFQVPSIVDRS PLVVAISSSGVAPVLARRLREKVESLFDHSLGALAALAARHRPRIRERRPDLKQRRKFYD WLLDGPVAALLRQQRPEEAERLLETALQAPQDDGAGSVVLVGAGPGDPGLLTLKALRALN EADVILYDRLVSPAVLALARRDADRVAVGKRPGEDHDATQARIHALLVEHARAGRRVVRL KGGDAFIFGRGGEELEYLRAHGVRYEVVPGITAALACAAYAGIPLTHRDHAQSVRLVTAH CREDEDTLDWAGLAREHQTLAFYMGVGQLETLSARLIAHGRSGATPFALIENGSRPEQRV VSGRLADLAAVARSHGVRAPALLIVGEVAGLARELHWFGAHLEGQRPAPAALAA