DOI: 10.1002/bip.360100307. Experimental thermodynamics of the helix–random coil transition. IV. Influence of the base composition of DNA on the transition enthalpy

Experimental thermodynamics of the helix–random coil transition. IV. Influence of the base composition of DNA on the transition enthalpy

10.1002/bip.360100307

Crossref journal-article

Wiley

Biopolymers (311)

Abstract

AbstractThe helix–coil transition of DNA of various base compositions has been followed by measuring the heat capacity and the ultraviolet absorption as a function of temperature through the transition region. The results of these measurements indicate that the transition enthalphy ΔH for a given pH value and salt concentration depends considerably on the base composition of the various DNA samples. The values of the transition enthalpies vary from ΔH = 7.73 kcal/mole base pair (MBP) for 31% GC base pairs to ΔH = 8.52 kcal/MBP for 72% GC base pairs. The results of the heat capacity measurements are discussed in relationship to the theoretical models suggested by various authors. Some peculiarities of the measured heat capacity versus temperature curves are reported. The correlation between these peculiarities and the results of the transcription experiments of DNA is discussed.

Bibliography

Klump, H., & Ackermann, T. (1971). Experimental thermodynamics of the helixârandom coil transition. IV. Influence of the base composition of DNA on the transition enthalpy. Biopolymers, 10(3), 513â522. Portico.

Authors 2

H. Klump (first)
T. Ackermann (additional)

References 18 Referenced 79

10.1016/S0022-2836(62)80066-7
{'key': 'e_1_2_1_3_2', 'first-page': '2073', 'volume': '47', 'author': 'Privalov L.', 'year': '1964', 'journal-title': 'J. Exptl. Theoret. Phys. (USSR)'} / J. Exptl. Theoret. Phys. (USSR) by Privalov L. (1964)
10.1524/zpch.1964.41.1_2.116
{'key': 'e_1_2_1_5_2', 'volume-title': 'Biochemical Microcalorimetry', 'author': 'Ackermann T.', 'year': '1969'} / Biochemical Microcalorimetry by Ackermann T. (1969)
10.1002/bip.1969.360070313
10.1002/bip.360030207
10.1002/bip.1969.360080502
10.1002/bip.360030301
10.1039/df9582500138
10.1016/0022-2836(69)90244-7
{'key': 'e_1_2_1_12_2', 'volume-title': 'The Neurosciences', 'author': 'Eigen M.', 'year': '1967'} / The Neurosciences by Eigen M. (1967)
10.1016/S0022-2836(64)80086-3
10.1016/S0022-2836(64)80003-6
10.1016/0022-2836(69)90062-X
10.1016/0022-2836(66)90067-2
10.1016/S0022-2836(66)80183-3
10.1016/S0022-2836(66)80189-4
10.1021/j100727a012

Dates

Type	When
Created	20 years, 7 months ago (Dec. 29, 2004, 5:25 a.m.)
Deposited	1 year, 9 months ago (Nov. 12, 2023, 1:27 a.m.)
Indexed	1 year, 9 months ago (Nov. 23, 2023, 1:34 p.m.)
Issued	54 years, 5 months ago (March 1, 1971)
Published	54 years, 5 months ago (March 1, 1971)
Published Online	21 years, 6 months ago (Feb. 1, 2004)
Published Print	54 years, 5 months ago (March 1, 1971)

Funders 0

None

BibTeX

@article{Klump_1971, title={Experimental thermodynamics of the helix–random coil transition. IV. Influence of the base composition of DNA on the transition enthalpy}, volume={10}, ISSN={1097-0282}, url={http://dx.doi.org/10.1002/bip.360100307}, DOI={10.1002/bip.360100307}, number={3}, journal={Biopolymers}, publisher={Wiley}, author={Klump, H. and Ackermann, T.}, year={1971}, month=mar, pages={513–522} }

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