Raftul cu initiativa Book Archive

Nuclear

Nuclear Magnetic Resonance Spectroscopy in Molecular by David G. Gorenstein (auth.), Bernard Pullman (eds.)

By David G. Gorenstein (auth.), Bernard Pullman (eds.)

Show description

Read Online or Download Nuclear Magnetic Resonance Spectroscopy in Molecular Biology: Proceedings of the Eleventh Jerusalem Symposium on Quantum Chemistry and Biochemistry Held in Jerusalem, Israël, April 3–7, 1978 PDF

Best nuclear books

Nuclear Energy: Selected Entries from the Encyclopedia of Sustainability Science and Technology

Nuclear strength offers an authoritative reference on all facets of the nuclear from basic reactor physics calculations to reactor layout, nuclear gas assets, nuclear gas cycle, radiation detection and safeguard, and nuclear energy economics. that includes 19 peer-reviewed entries via well-known specialists within the box, this e-book presents finished, streamlined assurance of basics, present parts of study, and ambitions for the longer term.

Return to Armageddon: The United States and the Nuclear Arms Race, 1981–1999

While the chilly struggle ended, the area set free a collective sigh of aid because the worry of nuclear war of words among superpowers seemed to vanish in a single day. As we procedure the recent millennium, besides the fact that, the proliferation of nuclear guns to ever extra belligerent nations and factions increases alarming new issues concerning the hazard of nuclear battle.

Additional resources for Nuclear Magnetic Resonance Spectroscopy in Molecular Biology: Proceedings of the Eleventh Jerusalem Symposium on Quantum Chemistry and Biochemistry Held in Jerusalem, Israël, April 3–7, 1978

Example text

However, the large areas of 1-3 kcal/mole (enveloping X in the anti and syn domains) associated with the global and local minima indicate rather greater degree of flexibility about the glycosidic torsion. Such larger domains for X have been predicted for guanine derivatives by PCILO method (Berthod and Pullman, 1971ab). The isoenergy curves for 7-Me-5'GMP with 2E sugar geometry is shown 33 34 M. M. DHINGRA AND R. H. 0073 *Fram Renugopalakrishnan and A. V. ~. £::: :> 'i-:::==== +180 ~=::=:::::::::==~""2--""""""£C I~ A = - 05 120 • = ob=~~~~~~~~~ 36O~-- ______ 4 ____~===------- c:; ___ ~ c=5~ 24 B 120 60 120 XCN Fig.

Table I compares the activation energies for the unmodified purine(~) ribosides with some recently obtained results tor nucleoside analogs (20). The data found are remarkably independent on modifications at the base and the ribose moiety. 8 (compare table II) and one would expect an increased rigidity of the furanose ring, which is not found in the experiments. The removal of the Table I: Activation Energies for the N , S Pseudorotation of some Purine(~)ribosides and Analogs in Liquid Deuteroammonia ref.

P. (1974), Cell 1, 197 Sarma, R. , Lee, C. , Evans, F. , and Sundaralingam, M. (1974), J. Am. Chem. Soc. 96, 7337. , and Perahia, D. (1973), Biochem. Biophys. Acta 299, 497. , and Perahia, D. (1972), Biochem. Biophys. Acta 287, 211. , Bugg, C. , and Marsh, R. , (1970), Acta. Cryst. B26. 1089. , (1973a) Biopolymers 12, 297. , (1973b) Biopolymers 12, 2075. A. INTRODUCTION The purinenucleosides and their natural or synthetic analogs are a class of compounds with a broad spectrum of physiological effects.

Download PDF sample

Rated 4.78 of 5 – based on 37 votes