Crystallization (Comment) | Organism |
---|---|
structure of the biological tetramer of human L-xylulose reductase in complex with NADP+ and the competitive inhibitor 4-methyl-[1,2,3]-thiadiazole-5-carboxylic acid benzyloxyamide, vapor diffusion method | Homo sapiens |
Protein Variants | Comment | Organism |
---|---|---|
H146L | IC50-value for 4-methyl-[1,2,3]-thiadiazole-5-carboxylic acid benzyloxyamide is 7.8fold higher than wild-type value, IC50-value for 4-methylthiophene-2-carboxylic acid N'-(2,3,3-trichloroacryloyl)-hydrazide is 6.7fold higher than wild-type value | Rattus norvegicus |
L143F | IC50-value for 4-methyl-[1,2,3]-thiadiazole-5-carboxylic acid benzyloxyamide is 8.3fold higher than wild-type value, IC50-value for 4-methylthiophene-2-carboxylic acid N'-(2,3,3-trichloroacryloyl)-hydrazide is 1.9fold higher than wild-type value | Rattus norvegicus |
W191F | IC50-value for 4-methyl-[1,2,3]-thiadiazole-5-carboxylic acid benzyloxyamide is 3.4fold higher than wild-type value, IC50-value for 4-methylthiophene-2-carboxylic acid N'-(2,3,3-trichloroacryloyl)-hydrazide is 7.3fold higher than wild-type value | Rattus norvegicus |
W191S | IC50-value for 4-methyl-[1,2,3]-thiadiazole-5-carboxylic acid benzyloxyamide is 13fold higher than wild-type value, IC50-value for 4-methylthiophene-2-carboxylic acid N'-(2,3,3-trichloroacryloyl)-hydrazide is 1.5fold lower than wild-type value | Rattus norvegicus |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
4-methyl-[1,2,3]-thiadiazole-5-carboxylic acid benzyloxyamide | - |
Homo sapiens | |
4-methyl-[1,2,3]-thiadiazole-5-carboxylic acid benzyloxyamide | IC50: 0.00023 mM for wild-type enzyme, 0.0019 mM for mutant enzyme L143F, 0.0018 mM for mutant enzyme H146L, 0.0029 mM for mutant enzyme W191S, 0.00079 mM for mutant enzyme W191F | Rattus norvegicus | |
4-methylthiophene-2-carboxylic acid N'-(2,3,3-trichloroacryloyl)-hydrazide | IC50: 0.0003 mM for wild-type enzyme, 0.00056 mM for mutant enzyme L143F, 0.002 mM for mutant enzyme H146L, 0.0002 mM for mutant enzyme W191S, 0.0022 mM for mutant enzyme W191F | Rattus norvegicus |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Homo sapiens | - |
- |
- |
Rattus norvegicus | - |
- |
- |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
xylitol + NADP+ | - |
Homo sapiens | L-xylulose + NADPH + H+ | - |
r | |
xylitol + NADP+ | - |
Rattus norvegicus | L-xylulose + NADPH + H+ | - |
r |
Subunits | Comment | Organism |
---|---|---|
tetramer | - |
Homo sapiens |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
NADP+ | - |
Homo sapiens | |
NADP+ | - |
Rattus norvegicus | |
NADPH | - |
Homo sapiens | |
NADPH | - |
Rattus norvegicus |
Ki Value [mM] | Ki Value maximum [mM] | Inhibitor | Comment | Organism | Structure |
---|---|---|---|---|---|
0.00037 | - |
4-methyl-[1,2,3]-thiadiazole-5-carboxylic acid benzyloxyamide | competitive with respect to xylitol | Homo sapiens | |
0.00044 | - |
4-methyl-[1,2,3]-thiadiazole-5-carboxylic acid benzyloxyamide | uncompetitive with respect to NADPH | Homo sapiens |
IC50 Value | IC50 Value Maximum | Comment | Organism | Inhibitor | Structure |
---|---|---|---|---|---|
0.00023 | - |
IC50: 0.00023 mM for wild-type enzyme, 0.0019 mM for mutant enzyme L143F, 0.0018 mM for mutant enzyme H146L, 0.0029 mM for mutant enzyme W191S, 0.00079 mM for mutant enzyme W191F | Rattus norvegicus | 4-methyl-[1,2,3]-thiadiazole-5-carboxylic acid benzyloxyamide | |
0.0003 | - |
IC50: 0.0003 mM for wild-type enzyme, 0.00056 mM for mutant enzyme L143F, 0.002 mM for mutant enzyme H146L, 0.0002 mM for mutant enzyme W191S, 0.0022 mM for mutant enzyme W191F | Rattus norvegicus | 4-methylthiophene-2-carboxylic acid N'-(2,3,3-trichloroacryloyl)-hydrazide |