2.3.2.16: lipid II:glycine glycyltransferase
This is an abbreviated version!
For detailed information about lipid II:glycine glycyltransferase, go to the full flat file.
Reaction
Synonyms
FemX
ECTree
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Substrates Products
Substrates Products on EC 2.3.2.16 - lipid II:glycine glycyltransferase
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REACTION DIAGRAM
glycyl-tRNA(E.coli) + UDP-MurNAc-Ala-D-Glu-Lys-D-Ala-D-Ala
tRNA(E.coli) + UDP-MurNAc-Ala-D-Glu-(N6-Gly)Lys-D-Ala-D-Ala
addition of serine and alanine is preferred over glycine
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-
?
glycyl-tRNAGly + N-acetylmuramoyl-L-alanyl-D-isoglutaminyl-L-lysyl-D-alanyl-D-alanine-diphosphoundecaprenyl-N-acetylglucosamine
tRNAGly + N-acetylmuramoyl-L-alanyl-D-isoglutaminyl-L-lysyl-(N6-glycyl)-D-alanyl-D-alanine-diphosphoundecaprenyl-N-acetylglucosamine
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i.e. lipid II. Enzyme uses lipid II exclusively as acceptor
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L-alanyl-tRNA(E.coli) + UDP-MurNAc-Ala-D-Glu-Lys-D-Ala-D-Ala
tRNA(E.coli) + UDP-MurNAc-Ala-D-Glu-(N6-L-Ala)Lys-D-Ala-D-Ala
addition of serine and alanine is preferred over glycine
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?
L-seryl-tRNA(E.coli) + UDP-MurNAc-Ala-D-Glu-Lys-D-Ala-D-Ala
tRNA(E.coli) + UDP-MurNAc-Ala-D-Glu-(N6-L-Ser)Lys-D-Ala-D-Ala
addition of serine and alanine is preferred over glycine
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?
additional information
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Assays with mixtures of alanyl-, seryl-, and glycyl-tRNAs result in mixtures of the expected UDP-MurNAc hexapeptides, but no larger species. FemX adds only the first residue of the interchain peptide
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