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. 2024 Feb 2;123(5):572–583. doi: 10.1016/j.bpj.2024.01.032

Table 1.

Values of the stiffness constants at 27°C

ld (nm) Y (pN) C (nm) k (nm/turn) Ca (nm) ka(nm/turn)
DNA 67 ± 1 1490 ± 12 109 ± 1 1.07 ± 0.02 118 ± 1 0.69 ± 0.01
DNA-RNA 78 ± 0 790 ± 2 123 ± 1 0.56 ± 0.01 121 ± 1 −0.13 ± 0.02
RNA 81 ± 0 657 ± 4 123 ± 1 −0.60 ± 0.01 126 ± 1 −0.95 ± 0.01
a

Values for the global twist defined as the sum of 3DNA helical twists.