1.13.11.66	E248Q	site-directed mutagenesis, the mutation results in complete loss of enzyme activity	745331	
1.13.11.66	E276A	less than 6% of wild-type activity	720066	
1.13.11.66	E278A	mutation in putative Fe(II)-binding site, complete loss of activity	719693	
1.13.11.66	F264A	site-directed mutagenesis, the mutation results in almost complete loss of enzyme activity	745331	
1.13.11.66	F79A	site-directed mutagenesis, the mutation results in almost complete loss of enzyme activity	745331	
1.13.11.66	H11A	less than 6% of wild-type activity	720066	
1.13.11.66	H159A	67% of wild-type activity	720066	
1.13.11.66	H162A	mutation in putative Fe(II)-binding site, complete loss of activity	719693	
1.13.11.66	H227A	less than 6% of wild-type activity	720066	
1.13.11.66	H229A	mutation in putative Fe(II)-binding site, complete loss of activity	719693