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2.7.1.206: protein-Npi-phosphohistidine-L-sorbose phosphotransferase

This is an abbreviated version!
For detailed information about protein-Npi-phosphohistidine-L-sorbose phosphotransferase, go to the full flat file.

Reaction

[protein]-Npi-phospho-L-histidine
+
L-sorbose[side 1]
=
[protein]-L-histidine
+
L-sorbose 1-phosphate[side 2]

Synonyms

EC 2.7.1.69, EIIASor, EIIBSor, EIICSor, EIIDSor, EIISor, L-sorbose PTS, L-sorbose PTS EII, L-sorbose PTS permease, L-sorbose-specific enzyme II, sor ABCD, sorABFM, sorFBAM

ECTree

     2 Transferases
         2.7 Transferring phosphorus-containing groups
             2.7.1 Phosphotransferases with an alcohol group as acceptor
                2.7.1.206 protein-Npi-phosphohistidine-L-sorbose phosphotransferase

Systematic Name

Systematic Name on EC 2.7.1.206 - protein-Npi-phosphohistidine-L-sorbose phosphotransferase

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SYSTEMATIC NAME
IUBMB Comments
protein-Npi-phospho-L-histidine:L-sorbose Npi-phosphotransferase
This enzyme is a component (known as enzyme II) of a phosphoenolpyruvate (PEP)-dependent, sugar transporting phosphotransferase system (PTS). The system, which is found only in prokaryotes, simultaneously transports its substrate from the periplasm or extracellular space into the cytoplasm and phosphorylates it. The phosphate donor, which is shared among the different systems, is a phospho-carrier protein of low molecular mass that has been phosphorylated by EC 2.7.3.9 (phosphoenolpyruvate---protein phosphotransferase). Enzyme II, on the other hand, is specific for a particular substrate, although in some cases alternative substrates can be transported with lower efficiency. The reaction involves a successive transfer of the phosphate group to several amino acids within the enzyme before the final transfer to the substrate.