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Literature summary extracted from

  • Wagschal, K.; Chan, V.; Pereira, J.; Zwart, P.; Sankaran, B.
    Chromohalobacter salixigens uronate dehydrogenase Directed evolution for improved thermal stability and mutant CsUDH-inc X-ray crystal structure (2022), Process Biochem., 114, 185-192.
    View publication on PubMedView publication on EuropePMC

Cloned(Commentary)

EC Number Cloned (Comment) Organism
1.1.1.203 expressed in Escherichia coli BL21(DE3) cells Chromohalobacter salexigens

Crystallization (Commentary)

EC Number Crystallization (Comment) Organism
1.1.1.203 sitting drop vapor diffusion method, using 0.1 M MES pH6.5 and 30% (w/v) 2-methyl-2-4-pentanediol Chromohalobacter salexigens

Protein Variants

EC Number Protein Variants Comment Organism
1.1.1.203 A172V the mutant shows reduced catalytic efficiency with beta-D-glucuronate and beta-D-galacturonate compared to the wild type enzyme Chromohalobacter salexigens
1.1.1.203 D246N the mutant shows reduced catalytic efficiency with beta-D-glucuronate and beta-D-galacturonate compared to the wild type enzyme Chromohalobacter salexigens
1.1.1.203 I114T the mutant shows reduced catalytic efficiency with beta-D-glucuronate and beta-D-galacturonate compared to the wild type enzyme Chromohalobacter salexigens
1.1.1.203 I88L the mutant shows reduced catalytic efficiency with beta-D-glucuronate and beta-D-galacturonate compared to the wild type enzyme Chromohalobacter salexigens
1.1.1.203 L158A/N159C/I160V the mutant shows increased catalytic efficiency with beta-D-glucuronate and beta-D-galacturonate compared to the wild type enzyme Chromohalobacter salexigens
1.1.1.203 M175I the mutant shows reduced catalytic efficiency with beta-D-glucuronate and beta-D-galacturonate compared to the wild type enzyme Chromohalobacter salexigens
1.1.1.203 N99K/L100H/K102V/P103K/I105V the mutant shows wild type activity with beta-D-glucuronate and reduced catalytic efficiency with beta-D-galacturonate compared to the wild type enzyme Chromohalobacter salexigens
1.1.1.203 N99K/L100H/K102V/P103K/I105V/Y116F/T113V/A172V/M175I/D236N the mutant shows reduced catalytic efficiency with beta-D-glucuronate and beta-D-galacturonate compared to the wild type enzyme Chromohalobacter salexigens
1.1.1.203 Q55R the mutant shows wild type activity with beta-D-glucuronate and reduced catalytic efficiency with beta-D-galacturonate compared to the wild type enzyme Chromohalobacter salexigens
1.1.1.203 Q55R/I88L/N99K/L100H/K102V/P103K/I105V/T113V/I114T/Y116F/L158A/N159C/I160V/A172V/M175I/D246N the mutant shows reduced catalytic efficiency with beta-D-glucuronate and beta-D-galacturonate compared to the wild type enzyme Chromohalobacter salexigens
1.1.1.203 T113V the mutant shows reduced catalytic efficiency with beta-D-glucuronate and beta-D-galacturonate compared to the wild type enzyme Chromohalobacter salexigens
1.1.1.203 T113V/A172V/D246N the mutant shows reduced catalytic efficiency with beta-D-glucuronate and beta-D-galacturonate compared to the wild type enzyme Chromohalobacter salexigens
1.1.1.203 T113V/A172V/M175I the mutant shows reduced catalytic efficiency with beta-D-glucuronate and beta-D-galacturonate compared to the wild type enzyme Chromohalobacter salexigens
1.1.1.203 T113V/A172V/M175I/D236N the mutant shows reduced catalytic efficiency with beta-D-glucuronate and beta-D-galacturonate compared to the wild type enzyme Chromohalobacter salexigens
1.1.1.203 T113V/M175I/D246N the mutant shows increased catalytic efficiency with beta-D-glucuronate and decreased catalytic efficiency with beta-D-galacturonate compared to the wild type enzyme Chromohalobacter salexigens
1.1.1.203 Y116F the mutant shows reduced catalytic efficiency with beta-D-glucuronate and beta-D-galacturonate compared to the wild type enzyme Chromohalobacter salexigens

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
1.1.1.203 0.13
-
beta-D-galacturonate mutant enzyme N99K/L100H/K102V/P103K/I105V, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 0.14
-
beta-D-galacturonate mutant enzyme L158A/N159C/I160V, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 0.15
-
beta-D-galacturonate mutant enzyme T113V, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 0.16
-
beta-D-galacturonate mutant enzyme N99K/L100H/K102V/P103K/I105V/Y116F/T113V/A172V/M175I/D236N, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 0.18
-
beta-D-galacturonate wild type enzyme, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 0.18
-
beta-D-galacturonate mutant enzyme A172V, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 0.18
-
beta-D-galacturonate mutant enzyme D246N, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 0.18
-
beta-D-galacturonate mutant enzyme M175I, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 0.18
-
beta-D-galacturonate mutant enzyme T113V/A172V/M175I, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 0.18
-
beta-D-galacturonate mutant enzyme T113V/A172V/M175I/D236N, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 0.19
-
beta-D-galacturonate mutant enzyme Q55R, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 0.19
-
beta-D-galacturonate mutant enzyme T113V/M175I/D246N, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 0.2
-
beta-D-galacturonate mutant enzyme I88L, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 0.21
-
beta-D-galacturonate mutant enzyme Q55R/I88L/N99K/L100H/K102V/P103K/I105V/T113V/I114T/Y116F/L158A/N159C/I160V/A172V/M175I/D246N, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 0.22
-
beta-D-galacturonate mutant enzyme T113V/A172V/D246N, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 0.22
-
beta-D-galacturonate mutant enzyme Y116F, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 0.41
-
beta-D-galacturonate mutant enzyme I114T, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 0.43
-
beta-D-glucuronate mutant enzyme N99K/L100H/K102V/P103K/I105V/Y116F/T113V/A172V/M175I/D236N, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 0.65
-
beta-D-glucuronate mutant enzyme Q55R/I88L/N99K/L100H/K102V/P103K/I105V/T113V/I114T/Y116F/L158A/N159C/I160V/A172V/M175I/D246N, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 0.9
-
beta-D-glucuronate mutant enzyme N99K/L100H/K102V/P103K/I105V, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 0.95
-
beta-D-glucuronate mutant enzyme T113V/A172V/M175I/D236N, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 1.03
-
beta-D-glucuronate mutant enzyme M175I, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 1.1
-
beta-D-glucuronate mutant enzyme T113V/A172V/M175I, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 1.1
-
beta-D-glucuronate mutant enzyme T113V/M175I/D246N, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 1.2
-
beta-D-glucuronate mutant enzyme L158A/N159C/I160V, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 1.3
-
beta-D-glucuronate mutant enzyme D246N, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 1.5
-
beta-D-glucuronate mutant enzyme I88L, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 1.5
-
beta-D-glucuronate mutant enzyme T113V/A172V/D246N, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 1.6
-
beta-D-glucuronate wild type enzyme, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 1.7
-
beta-D-glucuronate mutant enzyme A172V, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 1.7
-
beta-D-glucuronate mutant enzyme Q55R, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 1.7
-
beta-D-glucuronate mutant enzyme T113V, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 2
-
beta-D-glucuronate mutant enzyme Y116F, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 3.2
-
beta-D-glucuronate mutant enzyme I114T, at pH 8.0 and 25°C Chromohalobacter salexigens

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
1.1.1.203 beta-D-galacturonate + NAD+ Chromohalobacter salexigens
-
D-galactaro-1,5-lactone + NADH + H+
-
?
1.1.1.203 beta-D-glucuronate + NAD+ Chromohalobacter salexigens
-
D-glucaro-1,5-lactone + NADH + H+
-
?

Organism

EC Number Organism UniProt Comment Textmining
1.1.1.203 Chromohalobacter salexigens Q1QUN7
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
1.1.1.203 Ni-NTA column chromatography and Superdex 200 gel filtration Chromohalobacter salexigens

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.1.1.203 beta-D-galacturonate + NAD+
-
Chromohalobacter salexigens D-galactaro-1,5-lactone + NADH + H+
-
?
1.1.1.203 beta-D-glucuronate + NAD+
-
Chromohalobacter salexigens D-glucaro-1,5-lactone + NADH + H+
-
?

Synonyms

EC Number Synonyms Comment Organism
1.1.1.203 Udh
-
Chromohalobacter salexigens

Turnover Number [1/s]

EC Number Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
1.1.1.203 2 8 beta-D-galacturonate mutant enzyme Q55R, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 17
-
beta-D-galacturonate mutant enzyme I114T, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 17
-
beta-D-galacturonate mutant enzyme N99K/L100H/K102V/P103K/I105V, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 17
-
beta-D-galacturonate mutant enzyme Q55R/I88L/N99K/L100H/K102V/P103K/I105V/T113V/I114T/Y116F/L158A/N159C/I160V/A172V/M175I/D246N, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 19
-
beta-D-galacturonate mutant enzyme T113V/A172V/M175I, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 20
-
beta-D-galacturonate mutant enzyme M175I, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 20
-
beta-D-galacturonate mutant enzyme N99K/L100H/K102V/P103K/I105V/Y116F/T113V/A172V/M175I/D236N, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 20
-
beta-D-galacturonate mutant enzyme T113V, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 22
-
beta-D-galacturonate mutant enzyme D246N, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 22
-
beta-D-galacturonate mutant enzyme I88L, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 22
-
beta-D-galacturonate mutant enzyme T113V/A172V/M175I/D236N, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 25
-
beta-D-galacturonate mutant enzyme Y116F, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 27
-
beta-D-galacturonate mutant enzyme A172V, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 27
-
beta-D-galacturonate mutant enzyme L158A/N159C/I160V, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 29
-
beta-D-galacturonate mutant enzyme T113V/M175I/D246N, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 30
-
beta-D-galacturonate mutant enzyme T113V/A172V/D246N, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 30.8
-
beta-D-galacturonate wild type enzyme, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 50
-
beta-D-glucuronate mutant enzyme Q55R/I88L/N99K/L100H/K102V/P103K/I105V/T113V/I114T/Y116F/L158A/N159C/I160V/A172V/M175I/D246N, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 59
-
beta-D-glucuronate mutant enzyme N99K/L100H/K102V/P103K/I105V/Y116F/T113V/A172V/M175I/D236N, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 119
-
beta-D-glucuronate mutant enzyme T113V/A172V/M175I, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 130
-
beta-D-glucuronate mutant enzyme T113V/A172V/M175I/D236N, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 142
-
beta-D-glucuronate mutant enzyme N99K/L100H/K102V/P103K/I105V, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 153
-
beta-D-glucuronate mutant enzyme M175I, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 155
-
beta-D-glucuronate mutant enzyme I114T, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 179
-
beta-D-glucuronate mutant enzyme T113V/M175I/D246N, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 192
-
beta-D-glucuronate mutant enzyme D246N, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 192
-
beta-D-glucuronate mutant enzyme I88L, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 192
-
beta-D-glucuronate mutant enzyme T113V, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 200
-
beta-D-glucuronate mutant enzyme Y116F, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 214
-
beta-D-glucuronate mutant enzyme T113V/A172V/D246N, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 219
-
beta-D-glucuronate mutant enzyme L158A/N159C/I160V, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 225
-
beta-D-glucuronate mutant enzyme A172V, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 263
-
beta-D-glucuronate wild type enzyme, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 270
-
beta-D-glucuronate mutant enzyme Q55R, at pH 8.0 and 25°C Chromohalobacter salexigens

Cofactor

EC Number Cofactor Comment Organism Structure
1.1.1.203 NAD+
-
Chromohalobacter salexigens

kcat/KM [mM/s]

EC Number kcat/KM Value [1/mMs-1] kcat/KM Value Maximum [1/mMs-1] Substrate Comment Organism Structure
1.1.1.203 41
-
beta-D-galacturonate mutant enzyme I114T, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 48
-
beta-D-glucuronate mutant enzyme I114T, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 77
-
beta-D-glucuronate mutant enzyme Q55R/I88L/N99K/L100H/K102V/P103K/I105V/T113V/I114T/Y116F/L158A/N159C/I160V/A172V/M175I/D246N, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 78
-
beta-D-galacturonate mutant enzyme Q55R/I88L/N99K/L100H/K102V/P103K/I105V/T113V/I114T/Y116F/L158A/N159C/I160V/A172V/M175I/D246N, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 101
-
beta-D-glucuronate mutant enzyme Y116F, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 104
-
beta-D-galacturonate mutant enzyme T113V/A172V/M175I, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 111
-
beta-D-glucuronate mutant enzyme T113V/A172V/M175I, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 111
-
beta-D-galacturonate mutant enzyme Y116F, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 112
-
beta-D-galacturonate mutant enzyme I88L, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 115
-
beta-D-glucuronate mutant enzyme T113V, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 116
-
beta-D-galacturonate mutant enzyme M175I, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 125
-
beta-D-glucuronate mutant enzyme I88L, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 125
-
beta-D-galacturonate mutant enzyme N99K/L100H/K102V/P103K/I105V, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 125
-
beta-D-galacturonate mutant enzyme T113V/A172V/M175I/D236N, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 126
-
beta-D-galacturonate mutant enzyme D246N, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 126
-
beta-D-galacturonate mutant enzyme N99K/L100H/K102V/P103K/I105V/Y116F/T113V/A172V/M175I/D236N, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 132
-
beta-D-galacturonate mutant enzyme T113V, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 136
-
beta-D-glucuronate mutant enzyme A172V, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 136
-
beta-D-glucuronate mutant enzyme N99K/L100H/K102V/P103K/I105V/Y116F/T113V/A172V/M175I/D236N, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 138
-
beta-D-galacturonate mutant enzyme T113V/A172V/D246N, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 138
-
beta-D-glucuronate mutant enzyme T113V/A172V/M175I/D236N, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 139
-
beta-D-glucuronate mutant enzyme T113V/A172V/D246N, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 146
-
beta-D-glucuronate mutant enzyme D246N, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 149
-
beta-D-glucuronate mutant enzyme M175I, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 151
-
beta-D-galacturonate mutant enzyme A172V, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 152
-
beta-D-galacturonate mutant enzyme Q55R, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 155
-
beta-D-galacturonate mutant enzyme T113V/M175I/D246N, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 161
-
beta-D-glucuronate wild type enzyme, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 161
-
beta-D-glucuronate mutant enzyme Q55R, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 162
-
beta-D-glucuronate mutant enzyme N99K/L100H/K102V/P103K/I105V, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 164
-
beta-D-glucuronate mutant enzyme T113V/M175I/D246N, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 172
-
beta-D-galacturonate wild type enzyme, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 186
-
beta-D-glucuronate mutant enzyme L158A/N159C/I160V, at pH 8.0 and 25°C Chromohalobacter salexigens
1.1.1.203 187
-
beta-D-galacturonate mutant enzyme L158A/N159C/I160V, at pH 8.0 and 25°C Chromohalobacter salexigens