>sp|Q606C9|CYSG_METCA Siroheme synthase OS=Methylococcus capsulatus GN=cysG MDYLPIFLKLRDLPCLIVGGGEVAVRKLGLLLDAGAAVTVIAASAEAVIVELADRGLIRL RTKVFEATDSEGFRLIIAATDDRAVNAAVATAARRHGIPVNVVDCPDLCDFIFPAIIDRS PVLVAVSTGGASPVLARQLRTRIETCIPSRFGTLARLAADLRERVRQAIPEPRARRHFWE RTLEGPAAELALQGRAEDAERVLLEAADAAARQERPAWGSVALVGAGPGDPDLLTLRALR LIQEADVIVYDRLVSAEILALARRDARRIYAGKERSRHSIPQDDINALLANLAAEGNRVV RLKGGDPFIFGRGGEEIETLMACGIPFQVVPGITAASGCAAYAGIPLTHRAHAHACVFVA GHLKDGTLQDLDWSQLVQPHQTVVVYMGLQGLPQICAELIRHGAPPSRPAALIQQGTTRD QKVLTATLETLPDKVADAGIKAPTLIIIGEVVGLRKKLAWYRSRQETEGRSGNG