MetaCyc Reaction:

Superclasses: Reactions Classified By Conversion TypeSimple ReactionsChemical Reactions
Reactions Classified By SubstrateMacromolecule ReactionsPolynucleotide-ReactionsRNA-ReactionstRNA-Reactions
Reactions Classified By SubstrateMacromolecule ReactionsProtein-Reactions

EC Number:

Enzymes and Genes:

Escherichia coli K-12 substr. MG1655: leucyl, phenylalanyl-tRNA-protein transferaseInferred from experiment: aat

The direction shown, i.e. which substrates are on the left and right sides, is in accordance with the Enzyme Commission system.

Most BioCyc compounds have been protonated to a reference pH value of 7.3. Please see the PGDB Concepts Guide for more information.

Mass balance status: Balanced.

Enzyme Commission Primary Name: leucyltransferase

Enzyme Commission Synonyms: leucyl, phenylalanine-tRNA-protein transferase, leucyl-phenylalanine-transfer ribonucleate-protein aminoacyltransferase, leucyl-phenylalanine-transfer ribonucleate-protein transferase, L-leucyl-tRNA:protein leucyltransferase

Taxonomic Range: Bacteria

Standard Gibbs Free Energy (ΔrG in kcal/mol): -1.1312561Inferred by computational analysis [Latendresse13]

Enzyme Commission Summary:
Also transfers phenylalanyl groups. Requires a univalent cation. Peptides and proteins containing an N-terminal arginine, lysine or histidine residue can act as acceptors.

Citations: [Soffer73, Leibowitz69, Leibowitz70]

Gene-Reaction Schematic

Gene-Reaction Schematic

Unification Links: KEGG:R03813

Relationship Links: BRENDA:EC:, ENZYME:EC:, IUBMB-ExplorEnz:EC:, UniProt:RELATED-TO:P73571


Latendresse13: Latendresse M. (2013). "Computing Gibbs Free Energy of Compounds and Reactions in MetaCyc."

Leibowitz69: Leibowitz MJ, Soffer RL (1969). "A soluble enzyme from Escherichia coli which catalyzes the transfer of leucine and phenylalanine from tRNA to acceptor proteins." Biochem Biophys Res Commun 36(1);47-53. PMID: 4894363

Leibowitz70: Leibowitz MJ, Soffer RL (1970). "Enzymatic modification of proteins. 3. Purification and properties of a leucyl, phenylalanyl transfer ribonucleic acid protein transferase from Escherichia coli." J Biol Chem 245(8);2066-73. PMID: 4909560

Soffer73: Soffer RL (1973). "Peptide acceptors in the leucine, phenylalanine transfer reaction." J Biol Chem 248(24);8424-8. PMID: 4587124

Report Errors or Provide Feedback
Please cite the following article in publications resulting from the use of MetaCyc: Caspi et al, Nucleic Acids Research 42:D459-D471 2014
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