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Information on EC - phosphoenolpyruvate-protein phosphotransferase

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IUBMB Comments
Enzyme I of the phosphotransferase system (cf. EC protein-Npi-phosphohistidine---sugar phosphotransferase). Acts only on histidine residues in specific phosphocarrier proteins of low molecular mass (9.5 kDa) involved in bacterial sugar transport. A similar reaction, where the protein is the enzyme EC pyruvate, water dikinase, is part of the mechanism of that enzyme.
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The expected taxonomic range for this enzyme is: Bacteria, Archaea
EIC, EIN, enzyme I, enzyme I of the phosphotransferase system, More, non-sugar-specific phosphotransferase, PEP:sugar phosphotransferase system enzyme I, PEP:sugar PT, phosphoenolpyruvate protein phosphotransferase, phosphoenolpyruvate sugar phosphotransferase enzyme I, more
phosphoenolpyruvate + protein histidine = pyruvate + protein N-pros-phosphohistidine
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phosphoenolpyruvate + protein histidine = pyruvate + protein Npi-phospho-L-histidine
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