The Enzyme Database

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Accepted name: phospho-N-acetylmuramoyl-pentapeptide-transferase
Reaction: UDP-Mur2Ac(oyl-L-Ala-γ-D-Glu-L-Lys-D-Ala-D-Ala) + undecaprenyl phosphate = UMP + Mur2Ac(oyl-L-Ala-γ-D-Glu-L-Lys-D-Ala-D-Ala)-diphosphoundecaprenol
Other name(s): MraY transferase; UDP-MurNAc-L-Ala-D-γ-Glu-L-Lys-D-Ala-D-Ala:C55-isoprenoid alcohol transferase; UDP-MurNAc-Ala-γDGlu-Lys-DAla-DAla:undecaprenylphosphate transferase; phospho-N-acetylmuramoyl pentapeptide translocase; phospho-MurNAc-pentapeptide transferase; phospho-NAc-muramoyl-pentapeptide translocase (UMP); phosphoacetylmuramoylpentapeptide translocase; phosphoacetylmuramoylpentapeptidetransferase
Systematic name: UDP-MurAc(oyl-L-Ala-γ-D-Glu-L-Lys-D-Ala-D-Ala):undecaprenyl-phosphate phospho-N-acetylmuramoyl-pentapeptide-transferase
Comments: In Gram-negative and some Gram-positive organisms the L-lysine is replaced by meso-2,6-diaminoheptanedioate (meso-2,6-diaminopimelate, A2pm), which is combined with adjacent residues through its L-centre. The undecaprenol involved is ditrans,octacis-undecaprenol (for definitions, click here).
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, CAS registry number: 9068-50-2
1.  Heydanek, M.G., Jr. and Neuhaus, F.C. The initial stage in peptidoglycan synthesis. IV. Solubilization of phospho-N-acetylmuramyl-pentapeptide translocase. Biochemistry 8 (1969) 1474–1481. [PMID: 5805290]
2.  Higashi, Y., Strominger, J.L. and Sweeley, C.C. Structure of a lipid intermediate in cell wall peptidoglycan synthesis: a derivative of a C55 isoprenoid alcohol. Proc. Natl. Acad. Sci. USA 57 (1967) 1878–1884. [PMID: 5231417]
3.  Struve, W.G., Sinha, R.K. and Neuhaus, F.C. On the initial stage in peptidoglycan synthesis. Phospho-N-acetylmuramyl-pentapeptide translocase (uridine monophosphate). Biochemistry 5 (1966) 82–93. [PMID: 5938956]
4.  van Heijenoort, J. Recent advances in the formation of the bacterial peptidoglycan monomer unit. Nat. Prod. Rep. 18 (2001) 503–519. [PMID: 11699883]
[EC created 1972, modified 2002]

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