Zobrazeno 1 - 10 of 30 pro vyhledávání: '"Daniel W. Miles"'
1
Circular dichroism of nucleoside derivatives. VII. The electronic structure and spectra of some simple nucleoside derivatives
Autor: Daniel W. Miles, Michael W. Winkley, Morris J. Robins, Roland K. Robins, Henry Eyring, Warren H. Inskeep
Publikováno v: International Journal of Quantum Chemistry. 3:129-145
The electronic structures and spectra of some simple nucleoside derivatives with the formal structure of cytosine nucleoside are presented. The experimental spectroscopic information is obtained from the circular dichroism and absorption spectra. The
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a08549dab656f66291a5abfbb4b633a4
https://doi.org/10.1002/qua.560030718
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2
Optical activity and electronic absorption spectra of some simple nucleosides related to cytidine and uridine: all-valence-shell molecular orbital calculations
Autor: Patrick Redington, Henry Eyring, Douglas L. Miles, Daniel W. Miles
Publikováno v: Proceedings of the National Academy of Sciences. 78:7521-7525
The circular dichroism and electronic absorption of three simple model systems for cytidine and uridine have been measured to 190 nm. The molecular spectral properties (excitation wavelengths, oscillator strengths, rotational strengths, and polarizat
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e0c207c4812640de6345e634528c95ad
https://doi.org/10.1073/pnas.78.12.7521
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3
Interferon induction: a conformational hypothesis
Autor: Henry Eyring, Douglas L. Miles, Daniel W. Miles
Publikováno v: Proceedings of the National Academy of Sciences. 76:1018-1021
The ability of polynucleotides or polynucleotide duplexes such as poly(I).poly(C) to induce interferon production is proposed to depend on the existence of certain stable glycosidic orientations. It appears that a slight increase in instability of 1-
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::df946a1053570675181e98eef074fe78
https://doi.org/10.1073/pnas.76.3.1018
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4
Molecular Orbital Calculations of Magnetic Circular Dichroism Spectra: A Benzene-Indole Sequence
Autor: Henry Eyring, Daniel W. Miles
Publikováno v: Proceedings of the National Academy of Sciences. 70:3754-3758
The magnetic circular dichroism of benzene and indole derivatives was measured down to 190 nM. The following pairs of molecules have magnetic circular dichroisms of the opposite sign in the B 2u absorption region: aniline and benzonitrile, indene and
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::778e9ebde8532acd21c2dea70ba076d5
https://doi.org/10.1073/pnas.70.12.3754
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6
A conformational basis for the antiviral inactivity of tetrazole ribonucleosides
Autor: Daniel W. Miles, Henry Eyring, Douglas L. Miles
Publikováno v: Biochimica et Biophysica Acta (BBA) - Nucleic Acids and Protein Synthesis. 518:17-30
The antiviral activity of ribavirin has been associated with its inhibition of the enzyme, IMP dehydrogenase. The ability of ribavirin to inhibit this enzyme has previously been shown to be related to its stability in the high anti glycosidic conform
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::16c701882b9646f2a00b7e9237bf6f8c
https://doi.org/10.1016/0005-2787(78)90112-0
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7
A molecular orbital study of the conformation of formycin
Autor: Daniel W. Miles, Henry Eyring, Douglas L. Miles
Publikováno v: Journal of Theoretical Biology. 45:577-583
Semiempirical quantum mechanical calculations, using the iterative extended Huckel theory, are carried out for the evaluation of conformational energies, dipole moment and net atomic charges as a function of the rotation about the glycosidic bond. To
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ec39dcda5f858b11df26bfcc9fb0e132
https://doi.org/10.1016/0022-5193(74)90131-3
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9
Comparative study by circular dichroism of the conformation of deazapurine nucleosides and that of common purine nucleosides
Autor: Leroy B. Townsend, Henry Eyring, Patrick Redington, Daniel W. Miles
Publikováno v: Proceedings of the National Academy of Sciences. 73:2384-2387
Purine nucleoside analogs modified by replacement of the nitrogen atom at the 3 position by a CH group give a characteristic circular dichroism curve that is not substantially modified by chemical substitution at the 8 position. Since it is rather we
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3f203c1d27922ca6f6be906cea787f7f
https://doi.org/10.1073/pnas.73.7.2384
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10
Calculations of the circular dichroism of adenosine derivatives constrained in the syn form
Autor: Morris Farmer, Daniel W. Miles, Henry Eyring
Publikováno v: Proceedings of the National Academy of Sciences. 77:3398-3402
The rotational strengths of the four longer wavelength transitions, B 2 u , B 1 u , and the two E 1 u , of adenosine derivatives constrained in the syn form have been investigated theoretically and experimentally. The theory combines a complete negle
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::486e9beb9e5dc44df6a176d827d4a40b
https://doi.org/10.1073/pnas.77.6.3398
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