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Cited by 500

The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.

Base-stacking and base-pairing contributions to helix stability: thermodynamics of double-helix formation with CCGG, CCGGp, CCGGAp, ACCGGp, CCGGUp, and ACCGGUp

Petersheim, Matthew, Turner, Douglas H.·1983·Biochemistry

Abstract

The thermodynamics of double-helix formation in 1 M NaCl have been measured spectrophotometrically for CCGG, CCGGp, CCGGAp, ACCGGp, CCGGUp, and ACCGGUp. The results indicate additional double-helical stability is conferred by the terminal unpaired bases. The 3' A stabilizes the double helix more than the 5' A or the 3' U. The increased stability is due to a more favorable enthalpy change for double-helix formation. Comparison of the thermodynamics for CCGG, ACCGGp, CCGGUp, and ACCGGUp indicates stacking interactions are somewhat more important than pairing interactions in determining the stability of the terminal AU base pairs in ACCGGUp.

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Metadata

Authors
Petersheim, M., & Turner, D. H.
Venue
Biochemistry
Published
1983-01-18
Volume
22
Issue
2
Pages
256-263
ISSN
  • 0006-2960 (ISSN-L)
  • 1520-4995
OpenAlex
W2141728056
Cited by
500
References
1
FWCI
3.53
Type
journal article
Language
en
Open access
closed

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