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. 2015 Mar 19;5:9255. doi: 10.1038/srep09255

Table 2. Melting temperatures (Tm) of the G-quadruplexes and G-triplexes under diluted or molecularly crowded conditions.

  Tm of G-quadruplexes (°C) Tm of G-triplexes (°C)
Hum21 T2T2T3 TBA Hum15 T2T2 TBA11
Dilute Crowded Dilute Crowded Dilute Crowded Dilute Crowded Dilute Crowded Dilute Crowded
Na+ 58.4 63.0 44.0 46.4 22.7 23.8 32.6 43.5 29.6 33.0 Undetected Undetected
K+ 60.1 66.8 66.5 >80.0 48.9 51.1 43.2 49.9 51.5 56.3 26.4 30.0
Ca2+ 54.9 56.3 53.8 54.4 30.3 29.0 47.7 52.0 59.0 64.5 24.2 34.3
Mg2+ 39.4 43.3 31.8 40.9 21.2 27.6 31.2 46.0 40.9 48.9 20.7 24.2