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| ''Sources''<ref>PMID: 19417072</ref> | | ''Sources''<ref>PMID: 19417072</ref> |
| == Helix Parameters ==
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| {| class="wikitable" align= "center''
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| |-
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| !Parameter
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| !A-DNA
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| !B-DNA
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| !Z-DNA
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| |-
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| |Helix sense ||align="center"| right-handed ||align="center"| right-handed ||align="center"| left-handed
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| |-
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| |Residues per turn ||align="right"| 11 ||align="right"| 10.5 ||align="right"| 12
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| |-
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| |Axial rise(A°) ||align="right"| 2.55 ||align="right"| 3.4 ||align="right"| 3.7
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| |-
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| |Helix pitch(°) ||align="right"| 28 ||align="right"| 34 ||align="right"| 45
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| |-
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| |Base pair tilt(°) ||align="right"| 20 ||align="right"| −6 ||align="right"| 7
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| |-
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| |Rotation per residue (°) ||align="right"| 33||align="right"| 36||align="right"|-30
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| |-
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| |Diameter of helix (A°) ||align="right"| 23||align="right"| 20||align="right"| 18
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| |-
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| |Glycosidic bond configuration<br\>dA,dT,dC<br\>dG ||align="center"| <br\>anti<br\>anti ||align="center"| <br\>anti<br\>anti ||align="center"| <br\>anti<br\>syn
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| |-
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| |Sugar pucker<br\>dA,dT,dC<br\>dG ||align="center"| <br\>C3'-endo<br\>C3'-endo ||align="center"|<br\> C2'-endo<br\>C2'-endo ||align="center"| <br\>C2'-endo<br\>C3'-endo
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| |Intrastrand phosphate-phosphate distance (A°)<br\>dA,dT,dC<br\>dG ||align="center"| <br\>5.9<br\>5.9||align="center"| <br\>7.0<br\>7.0||align="center"| <br\>7.0<br\> 5.9
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| |colspan="4"|''Sources:<ref name="Rich1984">PMID:6383204</ref><ref name="Rich1979">PMID: 514347</ref><ref> Sinden, Richard R (1994-01-15). ''DNA structure and function'' (1st ed.). Academic Press. pp. 398. ISBN 0-12-645750-6.</ref>
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| |}
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| == References == | | == References == |
| <references/> | | <references/> |