Structure of potassium salt of the acetic acid derivative of tC (KtC) upper left, tC nucleoside (tCnuc) upper right and G:tC base pair below

<p><b>Copyright information:</b></p><p>Taken from "Fluorescent properties of DNA base analogue tC upon incorporation into DNA — negligible influence of neighbouring bases on fluorescence quantum yield"</p><p>Nucleic Acids Research 2005;33(16):5019-5025.</p><p>Published online 7 Sep 2005</p><p>PMCID:PMC1201328.</p><p>© The Author 2005. Published by Oxford University Press. All rights reserved</p