4.2.1.30	I498A	optimal pH and optimal temperature as the wild-type. KM for glycerol comparable to the wild-type	-, 704770	
4.2.1.30	I498C	active, optimal pH as the wild-type, lower optimal temperature as the wild-type. KM for glycerol comparable to the wild-type	-, 704770	
4.2.1.30	I498D	active, lower optimal pH as the wild-type, optimal temperature as the wild-type. Higher KM for glycerol as the wild-type	-, 704770	
4.2.1.30	I498M	active, lower optimal pH and lower optimal temperature as the wild-type. Lower KM for glycerol as the wild-type	-, 704770	
4.2.1.30	I498N	active, optimal pH as the wild-type, lower optimal temperature as the wild-type. Lower KM for glycerol as the wild-type	704770	
4.2.1.30	I498P	active, lower optimal pH and lower optimal temperature as the wild-type. Higher KM for glycerol as the wild-type	704770	
4.2.1.30	I498S	active, lower optimal pH and lower optimal temperature as the wild-type. KM for glycerol comparable to the wild-type	704770	
4.2.1.30	I498T	active, lower optimal pH as the wild-type, optimal temperature as the wild-type. Lower KM for glycerol as the wild-type	704770	
4.2.1.30	I498V	alpha subunit has half-life of 11 h in contrast to 1 h for the wild-type. Optimal pH and optimal temperature as the wild-type. KM for glycerol comparable to the wild-type	704770	
4.2.1.30	I498V/Q42L	alpha subunit of I498V and beta subunit of Q42L have half-life of 16 h in contrast to 1 h for the wild-type	704770