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. 2014 Nov 26;42(22):13981–13996. doi: 10.1093/nar/gku1107

Table 3. Residence time (in ns) of Mg2+ for different atoms in the nucleic acid structures.

Mg2+ residence times (ns)
B-DNA N4 O6 N7 O3′ O5′ OP1 OP2
2.04 9.43 2.21 0.79 0.52 1.20 0.93
Z-DNA O2 O6 N2 N7 O3′(C) O3′(G) O5′(C) O5′(G) OP1(C) OP1(G) OP2(C) OP2(G)
1.08 0.57 1.04 0.59 2.61 0.56 1.37 1.15 2.15 7.00 1.24 5.62
A-RNA N4 O6 N7 O2′ O3′ O5′ OP1 OP2
2.20 2.42 1.13 0.42 0.75 0.82 2.25 2.10
Z-RNA N4 O2 O6 N2 N7 O2′(C) O2′(G) O3′(C) O3′(G) O5′(C) O5′(G) OP1(C) OP1(G) OP2(C) OP2(G)
0.71 1.89 0.90 1.02 0.96 6.04 0.57 4.93 0.48 0.96 0.95 1.73 7.61 0.85 4.99

These results are for 0.2-M salt concentration, using a cutoff of 5 Å.