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Archaeal rhodopsins possess retinal molecule as their chromophores, and their light-energy and light-signal conversions are triggered by all-trans to 13-cis isomerization of the retinal chromophore. Relaxation through structural changes of protein then leads to functional processes, light-driven...
Ligand-gated ion channels mediate fast intercellular communication in response to endogenous neurotransmitters. The nicotinic acetylcholine receptor (AChR) is the archetype molecule in the superfamily of these membrane proteins. Early electron spin resonance studies led to the discovery of a...
Studies of lipid-protein interactions in double-reconstituted systems involving both integral and peripheral or lipid-anchored proteins are reviewed. Membranes of dimyristoyl phosphatidylglycerol containing either myelin proteolipid protein or cytochrome c oxidase were studied. The partner...
Different types of voltage-dependent calcium channels (VDCCs) have been recognized based on their molecular structure as well as their pharmacological and biophysical properties. One of these, the P/Q type, is the main channel involved in nerve evoked neurotransmitter release at neuromuscular...
CLC proteins are a nine-member gene family of Cl - channels that have diverse roles in the plasma membrane and in intracellular organelles. The recent structure determination of bacterial CLC homologues by Dutzler et al. was a break-through for the structure-function analysis of CLC channels....
This report measured the amount of heat released during Ca 2+ transport and ATP hydrolysis by vesicles derived from the sarcoplasmic reticulum of rabbit slow (SM) and fast (FM) muscle. During ATP hydrolysis, part of the chemical energy released is used to translocate Ca 2+ through the membrane...
The present review introduces the concept of 'non-permanent membrane proteins', to encompass the wide variety of proteins that are not found in a stable membrane-bound form under physiological conditions, yet they interact with the membrane at some stage of their specific course of action....
Small molecules can activate membrane bound receptors to elicit cellular responses and ~80% of all such responses are mediated through membranes. Solid state nuclear magnetic resonance (NMR) methods have been developed for the resolution of specifically labelled ligands, designed to report back...
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