Cloned (Comment) | Organism |
---|---|
expression in Escherichia coli BL21(DE3) | Azospirillum brasilense |
gene with a N-terminal (His)6-tag is expressed in Escherichia coli BL21(DE3) cells | Azospirillum brasilense |
Crystallization (Comment) | Organism |
---|---|
crystal structure in complex with L-arabinose and NADP+ | Azospirillum brasilense |
sitting-drop vapor diffusion method at 20°C | Azospirillum brasilense |
Protein Variants | Comment | Organism |
---|---|---|
H119N | kcat/KM for L-arabinose is 8088fold lower than the wild-type value | Azospirillum brasilense |
H119N | mutant emzyme is significantly active, Km value is markedly higher (4450fold) than that of wild-type | Azospirillum brasilense |
H119N/N173H | mutant enzyme is completely inactive | Azospirillum brasilense |
H119N/N173Y | mutant enzyme is completely inactive | Azospirillum brasilense |
N173A | kcat/KM for L-arabinose is 6111fold lower than the wild-type value | Azospirillum brasilense |
N173A | strong decrease kcat/Km | Azospirillum brasilense |
N173D | mutant enzyme is completely inactive | Azospirillum brasilense |
N173G | kcat/KM for L-arabinose is 3427fold lower than the wild-type value | Azospirillum brasilense |
N173G | strong decrease kcat/Km | Azospirillum brasilense |
N173H | mutant enzyme is completely inactive | Azospirillum brasilense |
N173Q | kcat/KM for L-arabinose is 9735fold lower than the wild-type value | Azospirillum brasilense |
N173Q | strong decrease kcat/Km | Azospirillum brasilense |
N173S | kcat/KM for L-arabinose is 7051fold lower than the wild-type value | Azospirillum brasilense |
N173S | strong decrease kcat/Km | Azospirillum brasilense |
N173V | kcat/KM for L-arabinose is 1874fold lower than the wild-type value | Azospirillum brasilense |
N173V | strong decrease kcat/Km | Azospirillum brasilense |
N173Y | mutant enzyme is completely inactive | Azospirillum brasilense |
S37D | 7.3fold increase in Km-value for NADP+ and 6.5fold decrease in KM-value for NAD+ | Azospirillum brasilense |
S37D/R38A | mutant enzyme shows a complete reversal of coenzyme specificity. The kcat/Km value for NADP+ decreases further by 20fold from that of the S37D mutant, and the ratio of NADP+ to NAD+ is about 0.07 | Azospirillum brasilense |
W152A | kcat/KM for L-arabinose is 106fold lower than the wild-type value | Azospirillum brasilense |
W152A | the kcat/Km value by 2 orders of magnitude from wild-type enzyme | Azospirillum brasilense |
W152F | kcat/KM for L-arabinose is 28.4fold lower than the wild-type value | Azospirillum brasilense |
W152F | mutant shows an 14fold higher Km value than the W152Y mutant | Azospirillum brasilense |
W152H | kcat/KM for L-arabinose is 2.8fold lower than the wild-type value | Azospirillum brasilense |
W152H | kcat/Km value is similar to that of wild-type | Azospirillum brasilense |
W152Y | kcat/KM for L-arabinose is 1.7fold lower than the wild-type value | Azospirillum brasilense |
W152Y | kcat/Km value is similar to that of wild-type | Azospirillum brasilense |
W152Y | mutant shows an 14fold higher Km value than the W152Y mutant | Azospirillum brasilense |
W231A | kcat/KM for L-arabinose is 33.2fold lower than the wild-type value | Azospirillum brasilense |
W231A | the kcat/Km value by 2 orders of magnitude from wild-type enzyme | Azospirillum brasilense |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.082 | - |
NADP+ | 30°C, pH 9.0, wild-type enzyme | Azospirillum brasilense | |
0.082 | - |
NADP+ | pH 9.0, 30°C, wild-type enzyme | Azospirillum brasilense | |
0.137 | - |
NADP+ | 30°C, pH 9.0, mutant enzyme R38A | Azospirillum brasilense | |
0.137 | - |
NADP+ | pH 9.0, 30°C, mutant enzyme R38A | Azospirillum brasilense | |
0.168 | - |
L-arabinose | 30°C, pH 9.0, wild-type enzyme | Azospirillum brasilense | |
0.168 | - |
L-arabinose | pH 9.0, 30°C, wild-type enzyme | Azospirillum brasilense | |
0.18 | - |
NADP+ | 30°C, pH 9.0, mutant enzyme S37D/R38A | Azospirillum brasilense | |
0.18 | - |
NADP+ | pH 9.0, 30°C, mutant enzyme S37D/R38A | Azospirillum brasilense | |
0.539 | - |
NAD+ | 30°C, pH 9.0, mutant enzyme S37D | Azospirillum brasilense | |
0.539 | - |
NAD+ | pH 9.0, 30°C, mutant enzyme S37D | Azospirillum brasilense | |
0.588 | - |
L-arabinose | 30°C, pH 9.0, mutant enzyme W152Y | Azospirillum brasilense | |
0.588 | - |
L-arabinose | pH 9.0, 30°C, mutant enzyme W152Y | Azospirillum brasilense | |
0.602 | - |
NADP+ | 30°C, pH 9.0, mutant enzyme S37D | Azospirillum brasilense | |
0.602 | - |
NADP+ | pH 9.0, 30°C, mutant enzyme S37D | Azospirillum brasilense | |
0.879 | - |
NAD+ | 30°C, pH 9.0, mutant enzyme S37D/R38A | Azospirillum brasilense | |
0.879 | - |
NAD+ | pH 9.0, 30°C, mutant enzyme S37D/R38A | Azospirillum brasilense | |
1.02 | - |
L-arabinose | 30°C, pH 9.0, mutant enzyme W152H | Azospirillum brasilense | |
1.02 | - |
L-arabinose | pH 9.0, 30°C, mutant enzyme W152H | Azospirillum brasilense | |
1.16 | - |
NAD+ | 30°C, pH 9.0, mutant enzyme R38A | Azospirillum brasilense | |
1.16 | - |
NAD+ | pH 9.0, 30°C, mutant enzyme R38A | Azospirillum brasilense | |
3.5 | - |
NAD+ | 30°C, pH 9.0, wild-type enzyme | Azospirillum brasilense | |
3.5 | - |
NAD+ | pH 9.0, 30°C, wild-type enzyme enzyme | Azospirillum brasilense | |
8.47 | - |
L-arabinose | 30°C, pH 9.0, mutant enzyme W152F | Azospirillum brasilense | |
8.47 | - |
L-arabinose | pH 9.0, 30°C, mutant enzyme W152F | Azospirillum brasilense | |
15.8 | - |
L-arabinose | 30°C, pH 9.0, mutant enzyme N173A | Azospirillum brasilense | |
15.8 | - |
L-arabinose | pH 9.0, 30°C, mutant enzyme N173A | Azospirillum brasilense | |
16 | - |
L-arabinose | 30°C, pH 9.0, mutant enzyme N173S | Azospirillum brasilense | |
16 | - |
L-arabinose | pH 9.0, 30°C, mutant enzyme N173S | Azospirillum brasilense | |
21.7 | - |
L-arabinose | 30°C, pH 9.0, mutant enzyme W231A | Azospirillum brasilense | |
21.7 | - |
L-arabinose | pH 9.0, 30°C, mutant enzyme W231A | Azospirillum brasilense | |
22.1 | - |
L-arabinose | 30°C, pH 9.0, mutant enzyme N173V | Azospirillum brasilense | |
22.1 | - |
L-arabinose | pH 9.0, 30°C, mutant enzyme N173V | Azospirillum brasilense | |
22.7 | - |
L-arabinose | 30°C, pH 9.0, mutant enzyme N173G | Azospirillum brasilense | |
22.7 | - |
L-arabinose | pH 9.0, 30°C, mutant enzyme N173G | Azospirillum brasilense | |
29 | - |
L-arabinose | 30°C, pH 9.0, mutant enzyme N173Q | Azospirillum brasilense | |
29 | - |
L-arabinose | pH 9.0, 30°C, mutant enzyme N173Q | Azospirillum brasilense | |
59.6 | - |
L-arabinose | 30°C, pH 9.0, mutant enzyme W152A | Azospirillum brasilense | |
59.6 | - |
L-arabinose | pH 9.0, 30°C, mutant enzyme W152A | Azospirillum brasilense | |
748 | - |
L-arabinose | 30°C, pH 9.0, mutant enzyme H119N | Azospirillum brasilense | |
748 | - |
L-arabinose | pH 9.0, 30°C, mutant enzyme H119N | Azospirillum brasilense |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
L-arabinose + NAD+ | Azospirillum brasilense | - |
L-arabinono-1,4-lactone + NADH + H+ | - |
? | |
L-arabinose + NAD+ | Azospirillum brasilense ATCC 29145 | - |
L-arabinono-1,4-lactone + NADH + H+ | - |
? | |
L-arabinose + NADP+ | Azospirillum brasilense | - |
L-arabinono-1,4-lactone + NADPH + H+ | - |
? | |
L-arabinose + NADP+ | Azospirillum brasilense ATCC 29145 | - |
L-arabinono-1,4-lactone + NADPH + H+ | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Azospirillum brasilense | Q53TZ2 | - |
- |
Azospirillum brasilense ATCC 29145 | Q53TZ2 | - |
- |
Purification (Comment) | Organism |
---|---|
- |
Azospirillum brasilense |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
L-arabinose + NAD+ | - |
Azospirillum brasilense | L-arabinono-1,4-lactone + NADH + H+ | - |
? | |
L-arabinose + NAD+ | preference of NADP+ over NAD+ is significantly subjected by a pair of Ser37 and Arg38 | Azospirillum brasilense | L-arabinono-1,4-lactone + NADH + H+ | - |
? | |
L-arabinose + NAD+ | - |
Azospirillum brasilense ATCC 29145 | L-arabinono-1,4-lactone + NADH + H+ | - |
? | |
L-arabinose + NAD+ | preference of NADP+ over NAD+ is significantly subjected by a pair of Ser37 and Arg38 | Azospirillum brasilense ATCC 29145 | L-arabinono-1,4-lactone + NADH + H+ | - |
? | |
L-arabinose + NADP+ | - |
Azospirillum brasilense | L-arabinono-1,4-lactone + NADPH + H+ | - |
? | |
L-arabinose + NADP+ | preference of NADP+ over NAD+ is significantly subjected by a pair of Ser37 and Arg38 | Azospirillum brasilense | L-arabinono-1,4-lactone + NADPH + H+ | - |
? | |
L-arabinose + NADP+ | - |
Azospirillum brasilense ATCC 29145 | L-arabinono-1,4-lactone + NADPH + H+ | - |
? | |
L-arabinose + NADP+ | preference of NADP+ over NAD+ is significantly subjected by a pair of Ser37 and Arg38 | Azospirillum brasilense ATCC 29145 | L-arabinono-1,4-lactone + NADPH + H+ | - |
? |
Synonyms | Comment | Organism |
---|---|---|
AraDH | - |
Azospirillum brasilense |
L-arabinose 1-dehydrogenase | - |
Azospirillum brasilense |
Turnover Number Minimum [1/s] | Turnover Number Maximum [1/s] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.417 | - |
L-arabinose | pH 9.0, 30°C, mutant enzyme N173S | Azospirillum brasilense | |
0.42 | - |
L-arabinose | 30°C, pH 9.0, mutant enzyme N173S | Azospirillum brasilense | |
0.47 | - |
L-arabinose | 30°C, pH 9.0, mutant enzyme N173A | Azospirillum brasilense | |
0.47 | - |
L-arabinose | pH 9.0, 30°C, mutant enzyme N173A | Azospirillum brasilense | |
0.54 | - |
L-arabinose | 30°C, pH 9.0, mutant enzyme N173Q | Azospirillum brasilense | |
0.54 | - |
L-arabinose | pH 9.0, 30°C, mutant enzyme N173Q | Azospirillum brasilense | |
0.98 | - |
NADP+ | 30°C, pH 9.0, mutant enzyme S37D/R38A | Azospirillum brasilense | |
0.98 | - |
NADP+ | pH 9.0, 30°C, mutant enzyme S37D/R38A | Azospirillum brasilense | |
1.175 | - |
L-arabinose | pH 9.0, 30°C, mutant enzyme N173G | Azospirillum brasilense | |
1.18 | - |
L-arabinose | 30°C, pH 9.0, mutant enzyme N173G | Azospirillum brasilense | |
2.17 | - |
L-arabinose | pH 9.0, 30°C, mutant enzyme N173V | Azospirillum brasilense | |
2.2 | - |
L-arabinose | 30°C, pH 9.0, mutant enzyme N173V | Azospirillum brasilense | |
6.4 | - |
L-arabinose | 30°C, pH 9.0, mutant enzyme W152Y | Azospirillum brasilense | |
6.43 | - |
L-arabinose | pH 9.0, 30°C, mutant enzyme W152Y | Azospirillum brasilense | |
17 | - |
L-arabinose | 30°C, pH 9.0, mutant enzyme H119N | Azospirillum brasilense | |
17 | - |
L-arabinose | pH 9.0, 30°C, mutant enzyme H119N | Azospirillum brasilense | |
30.5 | - |
L-arabinose | pH 9.0, 30°C, wild-type enzyme | Azospirillum brasilense | |
30.5 | - |
L-arabinose | 30°C, pH 9.0, wild-type enzyme | Azospirillum brasilense | |
48.7 | - |
NAD+ | 30°C, pH 9.0, wild-type enzyme | Azospirillum brasilense | |
48.7 | - |
NAD+ | pH 9.0, 30°C, wild-type enzyme enzyme | Azospirillum brasilense | |
54.3 | - |
L-arabinose | 30°C, pH 9.0, mutant enzyme W152F | Azospirillum brasilense | |
54.3 | - |
L-arabinose | pH 9.0, 30°C, mutant enzyme W152F | Azospirillum brasilense | |
66.5 | - |
NADP+ | 30°C, pH 9.0, mutant enzyme S37D | Azospirillum brasilense | |
66.5 | - |
NADP+ | pH 9.0, 30°C, mutant enzyme S37D | Azospirillum brasilense | |
66.7 | - |
NADP+ | pH 9.0, 30°C, wild-type enzyme | Azospirillum brasilense | |
66.7 | - |
NADP+ | 30°C, pH 9.0, wild-type enzyme | Azospirillum brasilense | |
67.33 | - |
NAD+ | 30°C, pH 9.0, mutant enzyme S37D/R38A | Azospirillum brasilense | |
67.33 | - |
NAD+ | pH 9.0, 30°C, mutant enzyme S37D/R38A | Azospirillum brasilense | |
68 | - |
L-arabinose | 30°C, pH 9.0, mutant enzyme W152H | Azospirillum brasilense | |
68 | - |
L-arabinose | pH 9.0, 30°C, mutant enzyme W152H | Azospirillum brasilense | |
72.2 | - |
NAD+ | 30°C, pH 9.0, mutant enzyme S37D | Azospirillum brasilense | |
72.2 | - |
NAD+ | pH 9.0, 30°C, mutant enzyme S37D | Azospirillum brasilense | |
83 | - |
NAD+ | 30°C, pH 9.0, mutant enzyme R38A | Azospirillum brasilense | |
83 | - |
NAD+ | pH 9.0, 30°C, mutant enzyme R38A | Azospirillum brasilense | |
102.8 | - |
L-arabinose | 30°C, pH 9.0, mutant enzyme W152A | Azospirillum brasilense | |
102.8 | - |
L-arabinose | pH 9.0, 30°C, mutant enzyme W152A | Azospirillum brasilense | |
119.8 | - |
L-arabinose | 30°C, pH 9.0, mutant enzyme W231A | Azospirillum brasilense | |
119.8 | - |
L-arabinose | pH 9.0, 30°C, mutant enzyme W231A | Azospirillum brasilense | |
175 | - |
NADP+ | 30°C, pH 9.0, mutant enzyme R38A | Azospirillum brasilense | |
175 | - |
NADP+ | pH 9.0, 30°C, mutant enzyme R38A | Azospirillum brasilense |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
NAD+ | preference of NADP+ over NAD+ is significantly subjected by a pair of Ser37 and Arg38 | Azospirillum brasilense | |
NAD+ | preference of NADP+ over NAD+, wild-type enzyme. Mutant enzyme S37D/R38A shows a complete reversal of coenzyme specificity | Azospirillum brasilense | |
NADP+ | preference of NADP+ over NAD+ is significantly subjected by a pair of Ser37 and Arg38 | Azospirillum brasilense | |
NADP+ | preference of NADP+ over NAD+, wild-type enzyme. Mutant enzyme S37D/R38A shows a complete reversal of coenzyme specificity | Azospirillum brasilense |
General Information | Comment | Organism |
---|---|---|
metabolism | the enzyme is responsible for the first step of the non-phosphorylative L-arabinose pathway from bacteria | Azospirillum brasilense |
kcat/KM Value [1/mMs-1] | kcat/KM Value Maximum [1/mMs-1] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.019 | - |
L-arabinose | 30°C, pH 9.0, mutant enzyme N173Q | Azospirillum brasilense | |
0.019 | - |
L-arabinose | pH 9.0, 30°C, mutant enzyme N173Q | Azospirillum brasilense | |
0.023 | - |
L-arabinose | 30°C, pH 9.0, mutant enzyme H119N | Azospirillum brasilense | |
0.023 | - |
L-arabinose | pH 9.0, 30°C, mutant enzyme H119N | Azospirillum brasilense | |
0.026 | - |
L-arabinose | 30°C, pH 9.0, mutant enzyme N173S | Azospirillum brasilense | |
0.026 | - |
L-arabinose | pH 9.0, 30°C, mutant enzyme N173S | Azospirillum brasilense | |
0.03 | - |
L-arabinose | 30°C, pH 9.0, mutant enzyme N173A | Azospirillum brasilense | |
0.03 | - |
L-arabinose | pH 9.0, 30°C, mutant enzyme N173A | Azospirillum brasilense | |
0.0535 | - |
L-arabinose | pH 9.0, 30°C, mutant enzyme N173G | Azospirillum brasilense | |
0.054 | - |
L-arabinose | 30°C, pH 9.0, mutant enzyme N173G | Azospirillum brasilense | |
0.098 | - |
L-arabinose | 30°C, pH 9.0, mutant enzyme N173V | Azospirillum brasilense | |
0.098 | - |
L-arabinose | pH 9.0, 30°C, mutant enzyme N173V | Azospirillum brasilense | |
1.7 | - |
L-arabinose | 30°C, pH 9.0, mutant enzyme W152A | Azospirillum brasilense | |
1.7 | - |
L-arabinose | pH 9.0, 30°C, mutant enzyme W152A | Azospirillum brasilense | |
5.3 | - |
NADP+ | 30°C, pH 9.0, mutant enzyme S37D/R38A | Azospirillum brasilense | |
5.47 | - |
NADP+ | pH 9.0, 30°C, mutant enzyme S37D/R38A | Azospirillum brasilense | |
5.5 | - |
L-arabinose | 30°C, pH 9.0, mutant enzyme W231A | Azospirillum brasilense | |
5.52 | - |
L-arabinose | pH 9.0, 30°C, mutant enzyme W231A | Azospirillum brasilense | |
6.45 | - |
L-arabinose | 30°C, pH 9.0, mutant enzyme W152F | Azospirillum brasilense | |
6.45 | - |
L-arabinose | pH 9.0, 30°C, mutant enzyme W152F | Azospirillum brasilense | |
13.9 | - |
NAD+ | 30°C, pH 9.0, wild-type enzyme | Azospirillum brasilense | |
13.9 | - |
NAD+ | pH 9.0, 30°C, wild-type enzyme enzyme | Azospirillum brasilense | |
66.5 | - |
L-arabinose | 30°C, pH 9.0, mutant enzyme W152H | Azospirillum brasilense | |
66.5 | - |
L-arabinose | pH 9.0, 30°C, mutant enzyme W152H | Azospirillum brasilense | |
71.6 | - |
NAD+ | 30°C, pH 9.0, mutant enzyme R38A | Azospirillum brasilense | |
71.8 | - |
NAD+ | pH 9.0, 30°C, mutant enzyme R38A | Azospirillum brasilense | |
76.6 | - |
NAD+ | 30°C, pH 9.0, mutant enzyme S37D/R38A | Azospirillum brasilense | |
77.5 | - |
NAD+ | pH 9.0, 30°C, mutant enzyme S37D/R38A | Azospirillum brasilense | |
109.8 | - |
L-arabinose | 30°C, pH 9.0, mutant enzyme W152Y | Azospirillum brasilense | |
109.8 | - |
L-arabinose | pH 9.0, 30°C, mutant enzyme W152Y | Azospirillum brasilense | |
110.5 | - |
NADP+ | 30°C, pH 9.0, mutant enzyme S37D | Azospirillum brasilense | |
110.5 | - |
NADP+ | pH 9.0, 30°C, mutant enzyme S37D | Azospirillum brasilense | |
133.8 | - |
NAD+ | pH 9.0, 30°C, mutant enzyme S37D | Azospirillum brasilense | |
140 | - |
NAD+ | 30°C, pH 9.0, mutant enzyme S37D | Azospirillum brasilense | |
183 | - |
L-arabinose | 30°C, pH 9.0, wild-type enzyme | Azospirillum brasilense | |
183.3 | - |
L-arabinose | pH 9.0, 30°C, wild-type enzyme | Azospirillum brasilense | |
810 | - |
NADP+ | pH 9.0, 30°C, wild-type enzyme | Azospirillum brasilense | |
813.4 | - |
NADP+ | 30°C, pH 9.0, wild-type enzyme | Azospirillum brasilense | |
1275 | - |
NADP+ | pH 9.0, 30°C, mutant enzyme R38A | Azospirillum brasilense | |
1277 | - |
NADP+ | 30°C, pH 9.0, mutant enzyme R38A | Azospirillum brasilense |