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ENZYME entry: EC 2.7.1.200

Accepted Name
Protein-N(pi)-phosphohistidine--galactitol phosphotransferase.
Alternative Name(s)
Galactitol PTS permease.
Reaction catalysed
[Protein]-N(pi)-phospho-L-histidine + galactitol(Side 1) <=> [protein]-L-histidine + galactitol 1-phosphate(Side 2)
Comment(s)
  • 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.
  • 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.
  • Formerly EC 2.7.1.69.
Cross-references
PROSITEPDOC00795
BRENDA2.7.1.200
EC2PDB2.7.1.200
ExplorEnz2.7.1.200
PRIAM enzyme-specific profiles2.7.1.200
KEGG Ligand Database for Enzyme Nomenclature2.7.1.200
IUBMB Enzyme Nomenclature2.7.1.200
IntEnz2.7.1.200
MEDLINEFind literature relating to 2.7.1.200
MetaCyc2.7.1.200
UniProtKB/Swiss-Prot
P69814, PTKA_ECO57;  P69813, PTKA_ECOL6;  P69828, PTKA_ECOLI;  
P0A436, PTKB_ECO57;  P0A435, PTKB_ECOL6;  P37188, PTKB_ECOLI;  
P0A437, PTKB_SHIFL;  

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All UniProtKB/Swiss-Prot entries referenced in this entry, with possibility to download in different formats, align etc.
All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 2.7.1.-
All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 2.7.-.-
All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 2.-.-.-