1.3.98.1	C130A	low activity with dihydroorotate, increasing activity above pH 8.0 with dihydrooxonate	390913	
1.3.98.1	S175A	-	390913	
1.3.98.1	S175A	low activity with dihydroorotate, increasing activity above pH 8.0 with dihydrooxonate	390913	
1.3.98.1	K136E	little changes in activity	656148	
1.3.98.1	K213E	decrease in activity against dichlorophenolindophenol	656148	
1.3.98.1	N127A	reduced activity	656148	
1.3.98.1	N193A	drastically reduced activiy	656148	
1.3.98.1	N67A	drastically reduced activiy	656148	
1.3.98.1	P131A	decrease in activtiy against fumarate	656148	
1.3.98.1	P56A	drastically reduced activiy	656148