sgbi:P3F81_07695 K03404 magnesium chelatase subunit D [EC:6.6.1.1] | (GenBank) VWA domain-containing protein sgbi:P3F81_07700 K03405 magnesium chelatase subunit I [EC:6.6.1.1] | (GenBank) AAA family ATPase sgbi:P3F81_01940 K01749 hydroxymethylbilane synthase [EC:2.5.1.61] | (GenBank) hemC; hydroxymethylbilane synthase