>sp|A8G9Y3|CYSG1_SERP5 Siroheme synthase 1 OS=Serratia proteamaculans GN=cysG1 MDYLPIFADLKQRPVLVVGGGEVAARKVDLLLRAGAEIRIVAQSLSPILEQLSQQGQIHW LGQAFAAEQLDEVFLVIAATDDSALNAEVFSEADKRRVLANVVDDQPRCSFIFPSIIDRS PLVVAVSSSGQAPVLARMLREKLEALLPASLGQMAEVAGRWRGQVKQRLNAIGERRRFWE KTFGGRFATLVANGQTAEAQRQLEQDLEQFAQGSEGTQGEIALVGAGPGDVGLLTLRGLQ VMQQADVVLYDHLVSDEILDLVRRDAERICVGKRAGAHSVIQEETNRLLVELAQQGKRVV RLKGGDPFIFGRGGEELQVAAAAGIPFQVVPGVTAAAGATAYAGIPLTHRDHAQSVTFIT GHCRPDGDGLDWADLARARQTLAIYMGTMKAADISQRLIAHGRAATTPVAVISRGTRADQ LVQTGTLQQLEQLAQQAPLPALLVIGEVVELHHQIAWFGHQPQAEGVSRPAVVNLA