4241 -OEChem-04030813132D 0 0 0 0 0 0 0 0 0999 V2000 M END > 4241 > 5 > KEGG > C00995 > 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 > C00995 Ferricytochrome b1 > C00995 > http://www.genome.jp/kegg/kegg2.html > http://www.genome.jp/dbget-bin/www_bget?cpd+C00995 $$$$