1.13.11.11 heme - 743005, 743064, 765226 1.13.11.11 heme binding structure, overview 743760 1.13.11.11 heme ferric heme 743153 1.13.11.11 heme ferryl heme 741938 1.13.11.11 heme heme-containing enzyme 743358, 763817, 765225 1.13.11.11 heme heme-containing enzyme. The heme prosthetic group is present as a heme-ferric form that must be reduced to the heme-ferrous prior to mediate L-tryptophan oxidation 743358 1.13.11.11 heme heme-dependent dioxygenase 764174 1.13.11.11 heme heme-dependent enzyme 765204 1.13.11.11 heme hemoprotein 764108 1.13.11.11 heme the enzyme is heme dependent, requiring the reduction of ferric to ferrous-iron to bind to L-tryptophan 743358 1.13.11.11 heme with Fe2+ coordinated by 4 N-atoms, overview 743821