Unexpectedly fast transfer of positron-emittable artificial substrate into N-terminus of peptide/protein mediated by wild-type L/F-tRNA-protein transferase

DOI 機関リポジトリ PubMed

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説明

This article demonstrates the fastest enzymatic introduction of a positron emission tomography (PET) probe into acceptor peptides/proteins. It is site-specifically introduced at the basic N-terminus of the acceptors by using L/F-transferase in combination with aminoacyl-tRNA synthetase, namely the NEXT-A/PET reaction. Estimated from kinetic analysis, the transfer efficiency of O-(2-fluoromethyl)-L-tyrosine as an artificial amino acid PET probe mediated by the wild-type transferase is almost as good as that of the natural substrate, phenylalanine.

source:https://doi.org/10.1007/s00726-015-1989-y

収録刊行物

  • Amino Acids

    Amino Acids 47 (6), 1279-1282, 2015-06

    Springer

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