BioPHYSICAL chemistry
364 PART 2 QUANTUM MECHANICS AND SPECTROSCOPY Eqn 14.1: λν=c Since the waveguides operate at specific frequencies (with adjustme ...
Hyperfine structure The gvalue will be different in protein environments, due to differences in the local magnetic field compare ...
NMR spectrum selectively for the environment of the unpaired electron. This technique, named ENDOR for electron nuclear double r ...
By introducing more than one spin probe to a protein, the coupling between the spin probes can be measured to study conformation ...
the egorbitals). As the axial coordination changes compared to the planar coordination, the two eg orbitals will lie at increasi ...
and 1.40, which is indicative of a His–Fe–Met coordination. As the protein becomes oxidized with time, large changes are evident ...
nucleotide is bound at a distant location containing two cysteine residues, which that are oxidized as part of the enzymatic cyc ...
Problems 16.1 Calculate the resonance frequency of a proton in a magnetic field of (a) 7 T and (b) 20 T. 16.2 Calculate the reso ...
16.16 If three small beakers of water are lined up between the poles of a magnetic field, explain what signals would be observed ...
Part 3 Understanding biological systems using physical chemistry ...
...
Vision is one of the many signal-transduction processes in the body. In signal transduction, a signal in the form of light, or o ...
biological signal transduction as it involves the absorption of light by a pigment buried inside of a protein called rhodopsin r ...
guanosine 5′-triphosphate (GTP). The transducin with bound GTP is released from the rhodopsin and one of the protein subunits, t ...
of Lys 296 in a hydrolysis reaction (Figure 17.5). The formation of the Schiff base shifts the wavelength maximum from 380 to 50 ...
which grows in briny waters such as the Dead Sea. This bacterium has a distinctive purple color due to the presence of the extre ...
the retinal could be distinguished by making use of light. Spectra were measured both before and after a laser flash. The differ ...
The structure of bacteriorhodopsin became a staging ground by Richard Henderson and coworkers for the development of new technic ...
residues: Asp-96, Asp-85, Asp-212, and Arg-82 play critical roles in the proton transfer. Later electron-microscopy studies of r ...
The transition from the dark state to the initial K state happens when light is absorbed. During the transition from K to L, pro ...
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