How do insertions affect green fluorescent protein?

Murat Cetinkaya, Ahmet Zeytun, Jorge Sofo, Melik C. Demirel

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

A computer-based modeling and bench-top experiments are combined to understand the fluorescence of GFP. Random octapeptides are inserted into individual loops of the GFP. Amino acid sequences and fluorescence levels of clones from each loop are determined. The effect of peptide insertions into the loop regions of GFP are studied computationally using quantum mechanics and molecular dynamics calculations. Our experimental and computational results show that the random peptide insertions into the loop regions change the absorption intensity of the GFP but not the absorption wavelength.

Original languageEnglish (US)
Pages (from-to)48-54
Number of pages7
JournalChemical Physics Letters
Volume419
Issue number1-3
DOIs
StatePublished - Feb 15 2006

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy
  • Physical and Theoretical Chemistry

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