Web6 jul. 1999 · ( A) At zero applied force, the pectin ring is in the 4 C 1 chair conformer and interacts at low affinity with the receptor. The low affinity results from the mismatch between the binding sites and O2-O3 (equatorial and spaced by 2.9 Å, derived from ab initio ). Web28 okt. 2014 · The spectrum due to the “rigid” half-boat conformer can be observed only at very low (<60 K) temperatures, when the exchange of conformers is very slow. Two transition states for interconversion by puckering and ring-inversion were identified, close in activation energy (2.3 and 3.0 kJ/mol calculated).
Atomic levers control pyranose ring conformations PNAS
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Low Emittance Rings - The CERN Accelerator School
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