>tr|A0A6N3QKK0|A0A6N3QKK0_SHIFL Siroheme synthase OS=Shigella flexneri CDC 796-83 GN=cysG MDHLPIFCQLRDRDCLIVGGGDVAERKARLLLDAGARLTVNALAFIPQFTAWADAGMLTL VEGPFDESLLDTCWLAIAATDDDTLNQRVSEAAEARRIFCNVVDAPKAASFIMPSIIDRS PLMVAVSSGGTSPVLARLLREKLESLLPLHLGQVAKYAGQLRGRVKQQFTTMSERRRFWE KLFVNDRLAQSLANNDQKAITETTEQLINEPLDHRGEVVLVGAGPGDAGLLTLKGLQQIQ QADVVVYDRLVSDDIMNLVRRDADRVFVGKRAGYHCVPQEEINQILLREAQKGKRVVRLK GGDPFIFGRGGEELETLCNAGIPFSVVPGITAASGCSAYSGIPLTHRDYAQSVRLITGHL KTGGELDWENLAAEKQTLVFYMGLNQAATIQQKLIEHGMPGEMPVAIVENGTAVTQRVID GTLTQLGELAQQMNSPSLIIIGRVVGLRDKLNWFSNH