dsh:Dshi_3502 K03405 magnesium chelatase subunit I [EC:6.6.1.1] | (GenBank) bchI; magnesium-chelatase 38 kDa subunit dsh:Dshi_3503 K03404 magnesium chelatase subunit D [EC:6.6.1.1] | (GenBank) bchD; magnesium-chelatase 60 kDa subunit