2.1.1.11	0.0002	-	protoporphyrin	concentrations between 1 and 30 microM in the presence of 200 nM enzyme	687761	
2.1.1.11	0.003	-	magnesium deuteroporphyrin	determined using 250 microM S-adenosyl-L-methionine	684982	
2.1.1.11	0.018	-	zinc protoporphyrin	determined using 250 microM S-adenosyl-L-methionine	684982	
2.1.1.11	0.04	-	magnesium protoporphyrin	determined using 250 microM S-adenosyl-L-methionine	684982	
2.1.1.11	0.14	-	magnesium protoporphyrin	concentrations between 0.3 and 30 microM in the presence of 50 nM enzyme	687761