Cloned (Comment) | Organism |
---|---|
expression of wild-type and mutant N-terminally His6-tagged HODs in Escherichia coli strain M15 | Paenarthrobacter nitroguajacolicus |
Protein Variants | Comment | Organism |
---|---|---|
C69S | catalytical properties unchanged, mutant enzyme with hexahistidine tag at N-terminus and amino acid exchange influencing disulfide binding between C37 and C184 | Paenarthrobacter nitroguajacolicus |
C69S | site-directed mutagenesis, thermodynamic analysis of denaturant-induced unfolding of the mutant compared to the wild-type enzyme, overview | Paenarthrobacter nitroguajacolicus |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
guanidine hydrochloride | almost linear decrease of activity up to 1 M where activity vanishes, three-state unfolding of mutant enzyme; causes isothermal unfolding of mutant C69S in a three-state mechanism, thermodynamic analysis, overview | Paenarthrobacter nitroguajacolicus | |
Urea | causes isothermal unfolding of mutant C69S in a three-state mechanism, thermodynamic analysis, overview; nonlinear decrease of activity, activity lost at about 5 M, three-state unfolding of mutant enzyme | Paenarthrobacter nitroguajacolicus |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
additional information | - |
additional information | comparison of thermodynamic parameters for GdnHCl- and urea-induced unfolding of His6HodC69S in 10 mM sodium phosphate and 10 mM sodium borate, pH 7.5, at 25°C, overview | Paenarthrobacter nitroguajacolicus |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
33240 | - |
calculated | Paenarthrobacter nitroguajacolicus |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
1H-3-Hydroxy-4-oxoquinaldine + O2 | Paenarthrobacter nitroguajacolicus | - |
N-Acetylanthranilate + CO | - |
? | |
1H-3-hydroxy-4-oxoquinaldine + O2 | Paenarthrobacter nitroguajacolicus | cleavage of substrate, involved in quinalidine (2-methylquinoline) degradation | ? | - |
? | |
1H-3-Hydroxy-4-oxoquinaldine + O2 | Paenarthrobacter nitroguajacolicus Rü61a | - |
N-Acetylanthranilate + CO | - |
? | |
1H-3-hydroxy-4-oxoquinaldine + O2 | Paenarthrobacter nitroguajacolicus R-61a | cleavage of substrate, involved in quinalidine (2-methylquinoline) degradation | ? | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Paenarthrobacter nitroguajacolicus | - |
- |
- |
Paenarthrobacter nitroguajacolicus | Q7WSQ7 | - |
- |
Paenarthrobacter nitroguajacolicus R-61a | - |
- |
- |
Paenarthrobacter nitroguajacolicus Rü61a | Q7WSQ7 | - |
- |
Purification (Comment) | Organism |
---|---|
recombinant wild-type and mutant N-terminally His6-tagged HODs from Escherichia coli strain M15 by nickel affinity and anion exchange chromatography | Paenarthrobacter nitroguajacolicus |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
70 | - |
sodium phosphate buffer, 30°C, pH 7.5 | Paenarthrobacter nitroguajacolicus |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
1H-3-Hydroxy-4-oxoquinaldine + O2 | - |
Paenarthrobacter nitroguajacolicus | N-Acetylanthranilate + CO | - |
? | |
1H-3-Hydroxy-4-oxoquinaldine + O2 | - |
Paenarthrobacter nitroguajacolicus Rü61a | N-Acetylanthranilate + CO | - |
? | |
1H-3-hydroxy-4-oxoquinaldine + O2 | cleavage of substrate, involved in quinalidine (2-methylquinoline) degradation | Paenarthrobacter nitroguajacolicus | ? | - |
? | |
1H-3-hydroxy-4-oxoquinaldine + O2 | cleavage of substrate, involved in quinalidine (2-methylquinoline) degradation | Paenarthrobacter nitroguajacolicus R-61a | ? | - |
? |
Subunits | Comment | Organism |
---|---|---|
monomer | 1 * 33240 | Paenarthrobacter nitroguajacolicus |
Synonyms | Comment | Organism |
---|---|---|
1H-3-Hydroxy-4-oxoquinaldine 2,4-dioxygenase | - |
Paenarthrobacter nitroguajacolicus |
HOD | - |
Paenarthrobacter nitroguajacolicus |
More | HOD belongs to the alpha/beta-hydrolase-fold superfamily of enzymes | Paenarthrobacter nitroguajacolicus |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
30 | - |
assay at | Paenarthrobacter nitroguajacolicus |
Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|
10 | 40 | enzyme in native reduced state (40 mM dithiothreitol) of mutant enzyme, 10 mM sodium phosphate and 10 mM sodium borate buffer, pH 7.5, unfolding starts at 40°C | Paenarthrobacter nitroguajacolicus |
10 | 50 | native oxidized state of mutant enzyme, 10 mM sodium phosphate and 10 mM sodium borate buffer, pH 7.5, unfolding starts at 50°C | Paenarthrobacter nitroguajacolicus |
General Information | Comment | Organism |
---|---|---|
additional information | thermodynamic analysis of denaturant-induced unfolding of Hod C69Smutant protein supports a three-state mechanism | Paenarthrobacter nitroguajacolicus |