Skip to main content
. 2018 May 30;13(5):e0197956. doi: 10.1371/journal.pone.0197956

Fig 2. FRET-based peptide screening assay.

Fig 2

Cartoon representation of the conjugation of mRuby2-Q-tag and Clover-K-tag, in the presence of bTG, resulting in a cross-linked product. Due to the spectral overlap of mRuby2 and Clover, when in close proximity, excitation of Clover leads to FRET, and red emission by mRuby2.