>sp|Q1C2P9|CYSG_YERPA Siroheme synthase OS=Yersinia pestis bv. Antiqua GN=cysG MDYFPIFCQLQHKACLLVGGGEIAERKARLLLDAGALVTVNACEFTPQFHHWADQGQLSL ISGEFVPELLADKWLVIAATDQLSVNALVYQSANQQRIFCNVVDDPKRTSFIMPSIIDRS PIMIAVSSGGKAPVLARLLREKLEALLPQHLGQLAGNLRQRVKQHFTVMTERRRFWEKLL THDRLAQSLANNDHVQADQHVEQLFSAPLTDRGEVVLVGAGPGDAGLLTLKGLQQIQQAD VVVYDRLVSDEVMNLVRRDAERIFVGKQSGHHCVPQEQINQILLQQAQSGKRVVRLKGGD PFIFGRGGEELEELAGYGIPFSVVPGITAASGCSAYSGIPLTHRDHAQSVRLVTGHAKKE GQLDWANLAAEKQTLVFYMGLSQAGEIQQQLIQHGMPATTQVALVENGTSRHQRVVSGEL SQLALLSQQVSSPSLIIVGSVVSLREKLNWFSSRHHDDQPKVTECVAHVG