5.1.3.37	D152G	mutation eliminates almost all of both the lyase and epimerase activities	652156	
5.1.3.37	D173E	54% residual activity	734159	
5.1.3.37	D178E	complete loss of activity	734159	
5.1.3.37	D178N	complete loss of activity	734159	
5.1.3.37	D317A	about 5% of wild-type activity	734293	
5.1.3.37	D320A	complete loss of activity	-, 734293	
5.1.3.37	D368N	about 5% of wild-type activity	-, 734293	
5.1.3.37	D452A	about 70% of wild-type activity	734293	
5.1.3.37	F122Y	65% residual activity	734159	
5.1.3.37	H154F	complete loss of activity	734159