4.2.99.20	D128A	conserved among MenH proteins	702326	
4.2.99.20	D210A	decreased activity	685225	
4.2.99.20	D210A	kcat/Km is 9091fold lower than wild-type value	685225	
4.2.99.20	D210A	part of the catalytically essential triad	702326	
4.2.99.20	F153A	residue involved in open-closed transition, mutation leads to large decrease in enzymatic activity	730042	
4.2.99.20	H232A	decreased activity	685225	
4.2.99.20	H232A	kcat/Km is 208333fold lower than wild-type value	685225	
4.2.99.20	H232A	part of the catalytically essential triad	702326	
4.2.99.20	H232K	part of the catalytically essential triad	702326	
4.2.99.20	K212A	conserved among MenH proteins	702326	
4.2.99.20	R124A	conserved among MenH proteins	702326	
4.2.99.20	R168A	conserved among MenH proteins	702326	
4.2.99.20	R90A	conserved among MenH proteins	702326	
4.2.99.20	S86A	decreased activity	685225	
4.2.99.20	S86A	kcat/Km is 1498fold lower than wild-type value	685225	
4.2.99.20	S86A	part of the catalytically essential triad	702326	
4.2.99.20	V152A	residue involved in open-closed transition, mutation leads to large decrease in enzymatic activity	730042	
4.2.99.20	V152G	residue involved in open-closed transition, mutation leads to large decrease in enzymatic activity	730042	
4.2.99.20	V152G/F153A	inactive	730042	
4.2.99.20	W147A	conserved among MenH proteins	702326	
4.2.99.20	W147A/Y148A	inactive	730042	
4.2.99.20	W147F	conserved among MenH proteins	702326	
4.2.99.20	Y148A	residue involved in open-closed transition, mutation leads to large decrease in enzymatic activity	730042	
4.2.99.20	Y148F	residue involved in open-closed transition, mutation leads to large decrease in enzymatic activity	730042	
4.2.99.20	Y85F	conserved among MenH proteins	702326