1.1.1.3	L-threonine	the enzyme activity is subjected to feedback regulation by L-threonine	250	
1.1.1.3	L-threonine	the natural threonine binding sites of the enzyme are predicted and verified by mutagenesis experiments	250	
1.1.1.3	L-threonine	allosteric inhibitor	250	
1.1.1.3	L-valyl-5-hydroxy-4-oxo-L-norvaline	i.e. (S)-2-N-[(S)-valyl]amino-5-hydroxy-4-oxopentanoic acid	255944	
1.1.1.3	lysine	-	1107	
1.1.1.3	methionine	-	692	
1.1.1.3	methionine	weakly inhibits reverse but not forward reaction	692	
1.1.1.3	additional information	no inhibition by [2-(1,1-dimethylethyl)-4-[[5-(1,1-dimethylethyl)-4-hydroxy-2-methylphenyl]thio]-5-methylphenoxy]-acetic acid and 4-amino-butyric acid 2-tert-butyl-4-(3-tert-butyl-4-hydroxy-phenylsulfanyl)-phenyl ester	2	
1.1.1.3	additional information	Thr does not inhibit homoserine dehydrogenase 1	2	
1.1.1.3	additional information	Lys, Met, and S-2-aminoethyl-L-cysteine do not affect HSDH activity at 1-5 mM	2