What affects the quartet - Doublet energy splitting in peroxidase enzymes?

Chemistry

• Peroxidase 100%
• Cytochrome 50%
• Ground State 33%
• Ascorbate 33%
• Radical Cation 33%
• Porphyrin 33%
• EPR Spectroscopy 16%
• Catalyst Property 16%
• Crystal Structure 16%
• Electronic State 16%
• Amino Acid 16%
• Purity 16%
• Electric Field 16%
• Density Functional Theory 16%
• Electron-Nuclear Double Resonance Spectroscopy 16%
• Charge Distribution 16%
• Acetic Acid 16%
• Indole 16%
• Hydrogen 16%
• Tryptophan 16%
• Imidazole 16%