Cloned (Comment) | Organism |
---|---|
5S subunit cloned and expressed in Escherichia coli | Propionibacterium freudenreichii subsp. shermanii |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Co2+ | necessary for 5S activity | Propionibacterium freudenreichii subsp. shermanii | |
Zn2+ | necessary for 5S activity | Propionibacterium freudenreichii subsp. shermanii |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
120000 | - |
the 26S holoenzyme consists of a hexameric central 12S subunit, 360000 Da and six peripheral dimeric 5S subunits, 6 * 120000 Da each of which is linked to the central subunit by 2 biotinyl 1.3S subunits, 12 * MW 12000 | Propionibacterium freudenreichii subsp. shermanii |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Propionibacterium freudenreichii subsp. shermanii | - |
- |
- |
Purification (Comment) | Organism |
---|---|
recombinant 5S subunit | Propionibacterium freudenreichii subsp. shermanii |
Reaction | Comment | Organism | Reaction ID |
---|---|---|---|
(S)-methylmalonyl-CoA + pyruvate = propanoyl-CoA + oxaloacetate | partial reaction 1 is catalysed specifically by the 12S subunit, partial reaction 2 is catalysed specifically by the 5S subunit | Propionibacterium freudenreichii subsp. shermanii |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
additional information | - |
the recombinant 5S subunit is active in partial reaction 2 but not in overall enzyme reaction and not able to form a enzyme complex | Propionibacterium freudenreichii subsp. shermanii |
2.3 | - |
recombinant 5S subunit, overall reaction | Propionibacterium freudenreichii subsp. shermanii |
48 | - |
5S subunit, overall reaction | Propionibacterium freudenreichii subsp. shermanii |
323 | - |
5S subunit, partial reaction 2 | Propionibacterium freudenreichii subsp. shermanii |
330 | - |
recombinant 5S subunit, partial reaction 2 | Propionibacterium freudenreichii subsp. shermanii |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
propionyl-CoA + oxaloacetate | two partial reactions | Propionibacterium freudenreichii subsp. shermanii | (S)-methylmalonyl-CoA + pyruvate | - |
r |
Subunits | Comment | Organism |
---|---|---|
More | the 26S holoenzyme consists of a hexameric central 12S subunit, 360000 Da and six peripheral dimeric 5S subunits, 6 * 120000 Da each of which is linked to the central subunit by 2 biotinyl 1.3S subunits, 12 * MW 12000 | Propionibacterium freudenreichii subsp. shermanii |
More | 5S subunit with a native MW 120000 Da, gel filtration and a subunit MW 60000 Da, SDS-PAGE | Propionibacterium freudenreichii subsp. shermanii |
More | 5S subunit is a dimer of identical monomers, contains Co2+ and Zn2+ and assembles with two 1.3 subunits to form a stable complex termed the 6S subunit | Propionibacterium freudenreichii subsp. shermanii |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
biotin | requirement | Propionibacterium freudenreichii subsp. shermanii |