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

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

Icis-[Pt(15NH3)2I2]−52.12/3.99I
cis-[Pt(15NH3)2I(H2O)]+1−47.51/4.08I
2−90.09/3.70O
d(GpG)IIcis-[Pt(15NH3)2{d(GpG)}-N7,N7]2+3−68.13/4.43N
4−68.51/4.35N
R,S-d(GsG)IIscis-[Pt(15NH3)2{d(GsG)}-S,N7]2+5−50.10/4.35S
6−69.33/4.15N
d(GpA)IIIcis-[Pt(15NH3)2{d(GpA)}-G-N7,A-N7]2+7−65.88/4.48N
8−66.55/4.43N
R,S-d(GsA)IIIscis-[Pt(15NH3)2{d(GsA)}-I,S]+−47.44/4.10*S
−54.46/3.95I
d(GpT)IVcis-[Pt(15NH3)2I{d(GpT)}-T-N3]+9−48.22/4.26I
10−76.13/4.05N
R,S-d(GsT)IVsR or S cis-[Pt(15NH3)2{d(GsT)}-T-N3,S]2+11−46.55/4.34S
12−67.05/4.18N
S or R cis-[Pt(15NH3)2{d(GsT)}-T-N3,S]2+13−46.25/4.35S
14−65.97/4.17N

*Representative value.