Table 2.

Estimated secondary structure content in KEIF, returned from BeStSel [5,6] fitting of CD spectra in Figure 3.

	10 mM NaF (aq.)	150 mM NaF (aq.)	1 mM ZnCl2 (aq.)	TFE (org.)
Fitted Range (nm)	190–250	190–250	190–250	180–250
Helix (%)	0.0	0.0	0.0	30.3
$\beta$-strand (%)	38.5	38.8	41.5	10.4
Turn (%)	14.9	14.9	14.8	15.9
Others * (%)	46.6	46.3	43.7	43.4

* 3₁₀-helix, $\pi$-helix, bends, $\beta$-bridge, and irregular/loop.