4244 -OEChem-04030813132D 0 0 0 0 0 0 0 0 0999 V2000 M END > 4244 > 5 > KEGG > C00998 > Heme type: Heme B [CPD:C00032] Is a reactant or product of enzyme EC 1.2.2.1 Is a reactant or product of enzyme EC 1.2.2.2 > C00998 Ferrocytochrome b1 > C00998 > http://www.genome.jp/kegg/kegg2.html > http://www.genome.jp/dbget-bin/www_bget?cpd+C00998 $$$$