3.5.1.106	D125A	mutation leads to a complete loss of the deformylase activity	
3.5.1.106	E221A	70% of wild-type deformylase acticity	
3.5.1.106	H245A	mutation leads to a complete loss of the deformylase activity	
3.5.1.106	S101A	mutation leads to a complete loss of the deformylase activity