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ENZYME entry: EC 2.7.1.192

Accepted Name
protein-N(pi)-phosphohistidine--N-acetylmuramate phosphotransferase.
Alternative Name(s)
N-acetylmuramic acid PTS permease.
Reaction catalysed
N(pros)-phospho-L-histidyl-[protein] + N-acetyl-beta-D-muramate(out) <=> L-histidyl-[protein] + N-acetyl-beta-D-muramate 6-phosphate(in)
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
BRENDA2.7.1.192
EC2PDB2.7.1.192
ExplorEnz2.7.1.192
PRIAM enzyme-specific profiles2.7.1.192
KEGG Ligand Database for Enzyme Nomenclature2.7.1.192
IUBMB Enzyme Nomenclature2.7.1.192
IntEnz2.7.1.192
MEDLINEFind literature relating to 2.7.1.192
MetaCyc2.7.1.192
Rhea expert-curated reactions2.7.1.192
UniProtKB/Swiss-Prot
Q5E5T6, PTYBC_ALIF1;  Q8XBJ1, PTYBC_ECO57;  Q8FFA9, PTYBC_ECOL6;  
P77272, PTYBC_ECOLI;  Q1R8U3, PTYBC_ECOUT;  Q9CKN5, PTYBC_PASMU;  
Q7N9D9, PTYBC_PHOLL;  Q31Y50, PTYBC_SHIBS;  Q32DC5, PTYBC_SHIDS;  
Q83QN3, PTYBC_SHIFL;  Q9KVD9, PTYBC_VIBCH;  Q87FD5, PTYBC_VIBPA;  
Q8D4Z3, PTYBC_VIBVU;  Q7MBS2, PTYBC_VIBVY;  

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