1.14.99.48	protoheme + 5 reduced acceptor + 4 O2 = beta-staphylobilin + Fe2+ + formaldehyde + 5 acceptor + 4 H2O	
1.14.99.48	protoheme + 5 reduced acceptor + 4 O2 = delta-staphylobilin + Fe2+ + formaldehyde + 5 acceptor + 4 H2O