5.1.99.4	C297A	mutant with 6.2% relative enzyme activity	665605	
5.1.99.4	D127A	mutant with 21.6% relative enzyme activity	665605	
5.1.99.4	D156A	mutant with 17.6% relative enzyme activity	665605	
5.1.99.4	D185A	mutant with 68.5% relative enzyme activity	665605	
5.1.99.4	D190A	mutant with 3.3% relative enzyme activity	665605	
5.1.99.4	D231A	mutant with 25.0% relative enzyme activity	665605	
5.1.99.4	D28A	mutant with 24.2% relative enzyme activity	665605	
5.1.99.4	D60A	mutant with 22.7% relative enzyme activity	665605	
5.1.99.4	D78A	mutant with 44.0% relative enzyme activity	665605	
5.1.99.4	E241A	mutant with 2.1% relative enzyme activity	665605