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. 2001 Jul 1;29(13):2795–2801. doi: 10.1093/nar/29.13.2795

Figure 2.

Figure 2

(A) CD spectra of 3000–8000 bp CT DNA in 5 mM CsCl, 0.2 mM Cs HEPES, pH 7.3, at 20°C and at various concentrations of hexamminecobalt(III). The concentration ratio increases from 0 to 0.37 with increasing line number. For the values see Figure 3G. (B) Results on the same DNA after reducing the size to 20–200 bp: (1) the CD spectrum before adding Co(NH3)63+; (2) [Co(NH3)63+]/[P] = 0.28; (3) [Co(NH3)63+]/[P] = 0.33.