>sp|Q4FSU1|CYSG_PSYA2 Siroheme synthase OS=Psychrobacter arcticus GN=cysG MNTFPLFFKLEDRKVLIVGGGDVALRKADLLSRAGACITVLAPSINHEIQALLSSSKHEL IYEHYNKTYMTNSRVIIAATDDERLNHQIHADATALNIPVNVVDTPHLCDFIFPAIVDRN PIVIGISSNGKAPVLARLLRARLETLIPQGYGKLAKLAGEFRGDVKAKIPTLTGRRQFWE RAFEGKVSQLMFAGNENEALAQLQADLDNTAASITAKDATDDNGLSTASTSAPAIANEFT AARNTMGEVYIVGAGPGDPELLTFKALRLMQQADIVYYDALVSPQVLDLCRRDADKVFVG KKRRNHAVAQLGINELLVNSAKEGRRVVRLKGGDPFIFGRGGEEIESLRAHNIPYQVVPG ITAANAAASYAGIPLTHRDHSQSVRFVTGFLKAGAPNNNFKNFLDTDETVVFYMGLHSLP RLTEGLIDAGRSAETPIAIVSNASMPNQQVLTGTLASIVELQEKNQLPTPALLIMGDVVS LHHDLAWYNLHNQQHNQNTSETDNNWLRGGTATTPKSNAQFNAHQQAHALSMITNLATED GDLEQLIIG