Results 361 to 370 of about 19,554,258 (410)

On the Molecular Structure of Collagen

Nature, 1969
Several polytripeptide and polyhexapeptide models of collagen have the same triple helical conformation with one NH…O interchain H bond per tripeptide. Collagen itself probably has this structure.
Ada Yonath, Dvira Segal, Wolfie Traub
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The structure of the potassium channel: molecular basis of K+ conduction and selectivity.

Science, 1998
The potassium channel from Streptomyces lividans is an integral membrane protein with sequence similarity to all known K+ channels, particularly in the pore region.
D. Doyle, João Morais Cabral, R. Pfuetzner, Anling Kuo, J. Gulbis, S. L. Cohen, Brian T. Chait, Roderick Mackinnon   +7 more
semanticscholar   +1 more source

Nephrotoxicity and Molecular Structure

Xenobiotica, 1975
The nephrotoxicity of a number of aminophenols, quinols and catechols has been assessed from the extent of necrosis of proximal convoluted tubules produced by intravenous injection in rats, and the toxicity correlated with the oxidation-reduction potentials of the compounds.
Kathryn N. Ham, C. R. Green, R. A. Woods, C. C. Funder, P. J. Williams, John D. Tange, I. C. Calder   +6 more
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Molecular Structure of Proline

Chemistry – A European Journal, 2004
AbstractThe molecular structures of the two lowest‐energy conformers of proline, Pro‐I and Pro‐II, have been characterized by ab initio electronic structure computations. An extensive MP2/6‐31G* quartic force field for Pro‐I, containing 62 835 unique elements in the internal coordinate space, was computed to account for anharmonic vibrational effects ...
Wesley D. Allen, Eszter Czinki, Attila G. Császár   +2 more
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Molecular Structure of Canonical Liquid Crystal Interfaces.

Journal of the American Chemical Society, 2017
Numerous applications of liquid crystals rely on control of molecular orientation at an interface. However, little is known about the precise molecular structure of such interfaces.
Monirosadat Sadati, H. Ramezani-Dakhel, W. Bu, Emre Sevgen, Zhu Liang, Cem Erol, M. Rahimi, Nader Taheri Qazvini, B. Lin, N. Abbott, Benoı T Roux, M. Schlossman, J. D. de Pablo   +12 more
semanticscholar   +1 more source

The structure of a molecular motor

Current Biology, 1993
Two proteins, actin and myosin, together form a molec- ular motor that produces the work performed by mus- cle tissues, as well as many of the movements seen in all eukaryotic cells. IJntil recently, high resolution struc- tures of these two proteins have not been available.
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The Molecular Structure of Glycogens

1957
Publisher Summary This chapter discusses the molecular structure of glycogens. Glycogens, from vertebrate, invertebrate, bacterial, and yeast cells, are multiply-branched molecules (molecular weight ∼10 7 ) consisting of chains of α-(1 → 4)-linked D-glucose residues.
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Average molecular structure models of unaged asphalt binder fractions

Materials Structure, 2021
Meng Guo, M. Liang, Ye Fu, A. Sreeram, A. Bhasin   +4 more
semanticscholar   +1 more source

Viscosity and Molecular Structure

Annals of the New York Academy of Sciences, 1951
Publisher Summary This chapter describes the viscosity of molecules and the structure of molecules. Within the framework of a corresponding states system, the viscosity of liquids can be examined most easily if comparisons are confined to specific regions.
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Molecular shapes and molecular structures

Chemical Physics Letters, 1986
Abstract The first part is a response to E.B. Wilson's remarks about molecular structure at the 1979 Sanibel Symposium; his proposed extension of the notion of “potential energy surface” is a convention, not a part of fundamental molecular quantum theory.
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