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2.7.1.202: protein-Npi-phosphohistidine-D-fructose phosphotransferase

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

Word Map on EC 2.7.1.202

Reaction

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

Synonyms

EC 2.7.1.69, EIIB'BCFru, EIIFru, Enzyme IIAFrU, enzyme IIfru, enzyme IIfructose, F-PTS, fruA, FruB'BC, FruC, fructose carrier, fructose EII, fructose Enzyme II, fructose permease, fructose PTS permease, fructose-specific enzyme II, fructose-specific enzyme II permease, fructose-specific enzyme IIC, fructose-specific permease, fructose-specific phosphotransferase system, fructose-specific PTS, FruD, fruI, frwC, IIBLev, IICBAFru, IIFru, PTS IIAFru, PTS IIBFru, PTS IICFru, ptsF, ruAB

ECTree

     2 Transferases
         2.7 Transferring phosphorus-containing groups
             2.7.1 Phosphotransferases with an alcohol group as acceptor
                2.7.1.202 protein-Npi-phosphohistidine-D-fructose phosphotransferase

Systematic Name

Systematic Name on EC 2.7.1.202 - protein-Npi-phosphohistidine-D-fructose phosphotransferase

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SYSTEMATIC NAME
IUBMB Comments
protein-Npi-phospho-L-histidine:D-fructose 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 usually a phospho-carrier protein of low molecular mass that has been phosphorylated by EC 2.7.3.9 (phosphoenolpyruvate---protein phosphotransferase). The enzyme from the bacterium Escherichia coli is an exception, since it is phosphorylated directly by EC 2.7.3.9. The reaction involves a successive transfer of the phosphate group to several amino acids within the enzyme before the final transfer to the substrate.