International Journal of Inorganic Chemistry / 2011 / Article / Tab 2

Research Article

Insights into DNA Platination within Unusual Structural Settings

Table 2

15N/1H chemical shifts of 2D [1H, 15N] HSQC NMR cross-peaks for the reactions of oligonucleotides with [Pt(15NH3)2I2].

SampleCodeComplexPeakδ(15N/1H)15 N trans to

“GpG” decamerVcis-[Pt(15NH3)2I{d(V-G6-N7)}]+15−47.43/4.39I
16−75.56/4.02N
cis-[Pt(15NH3)2{d(V-G5-N7,G6-N7)}]2+17−67.49/4.59N
18−68.68/4.52N
“GsG” duplexVsR or S cis-[Pt(15NH3)2I{d(Vs-S)}]+19−46.76/4.13S
21 −54.35/3.92I
S or R cis-[Pt(15NH3)2I{d(Vs-S)}]+20−46.30/4.10S
21 −54.35/3.92I
“GpA” duplexVIcis-[Pt(15NH3)2I{d(VI-G3-N7)}]+22−46.57/4.35I
23−75.02/4.13N
cis-[Pt(15NH3)2I{d(VI-G3-N7)}]+22−46.57/4.35I
24−75.87/4.06N
cis-[Pt(15NH3)2{d(VI-G3-N7, G3-N7)}]2+25−66.99/4.60N
26−67.71/4.46N
“GsA” duplexVIsR or S cis-[Pt(15NH3)2S,{d(VIs-G5-N7)}]2+27−44.74/4.23S
29 −66.99/4.16N
S or R cis-[Pt(15NH3)2S,{d(VIs-G5-N7)}]2+28−46.26/4.22S
29 -66.99/4.16N
cis-[Pt(15NH3)2I{d(VIs-S)}]+30−47.64/4.06S
31−54.65/4.04I
“GpT” octamerVIIcis-[Pt(15NH3)2-N,N]2+−66.57/4.51N
−67.01/4.41N
“GsT” octamerVIIscis-{Pt(15NH3)2-N,N}2+−66.76/4.55N
−67.12/4.42N
cis-{Pt(15NH3)2-I,S}+ major−54.49/3.94I
−45.87/4.07S
cis-{Pt(15NH3)2-I,S}+ minor−55.26/3.88I
−47.78/4.09S
R or S cis-[Pt(15NH3)2{S,d(VIIs-T5-N3)}]2+−46.77/4.44S
−67.05/4.19N
S or R cis-[Pt(15NH3)2{S,d(VIIs-T5-N3)}]2+−46.34/4.35S
−66.12/4.18N

Overlapping peaks.

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