1.1.1.31	(R)-3-hydroxyisobutyrate + NAD+	-	Oryctolagus cuniculus	methylmalonate semialdehyde + NADH + H+	-	r	453820	
1.1.1.31	(R)-3-hydroxyisobutyrate + NAD+	2% activity compared to (S)-3-hydroxyisobutyrate	Arabidopsis thaliana	2-methyl-3-oxopropanoate + NADH + H+	-	?	458779	
1.1.1.31	(R)-3-hydroxyisobutyrate + NAD+	substrate with much less efficiency compared to (S)-3-hydroxyisobutyrate	Mycobacterium tuberculosis	2-methyl-3-oxopropanoate + NADH + H+	-	?	458779	
1.1.1.31	(R)-3-hydroxyisobutyrate + NAD+	substrate with much less efficiency compared to (S)-3-hydroxyisobutyrate	Mycobacterium tuberculosis H37Rv	2-methyl-3-oxopropanoate + NADH + H+	-	?	458779	
1.1.1.31	(S)-3-hydroxyisobutyrate + NAD+	-	Arabidopsis thaliana	2-methyl-3-oxopropanoate + NADH + H+	-	?	436673	
1.1.1.31	(S)-3-hydroxyisobutyrate + NAD+	the enzyme is very specific to (S)-3-hydroxyisobutyrate	Bacillus cereus	2-methyl-3-oxopropanoate + NADH + H+	-	?	436673	
1.1.1.31	(S)-3-hydroxyisobutyrate + NAD+	the enzyme is very specific to (S)-3-hydroxyisobutyrate	Pseudomonas denitrificans (nom. rej.)	2-methyl-3-oxopropanoate + NADH + H+	-	?	436673	
1.1.1.31	(S)-3-hydroxyisobutyrate + NAD+	the enzyme is specific to (S)-3-hydroxyisobutyrate and prefers NAD+ as cofactor	Mycobacterium tuberculosis	2-methyl-3-oxopropanoate + NADH + H+	-	?	436673	
1.1.1.31	(S)-3-hydroxyisobutyrate + NAD+	the enzyme is specific to (S)-3-hydroxyisobutyrate	Mycobacterium tuberculosis	2-methyl-3-oxopropanoate + NADH + H+	-	?	436673	
1.1.1.31	(S)-3-hydroxyisobutyrate + NAD+	the enzyme is specific to (S)-3-hydroxyisobutyrate and prefers NAD+ as cofactor	Mycobacterium tuberculosis H37Rv	2-methyl-3-oxopropanoate + NADH + H+	-	?	436673