1,2-dioleoyl-sn-glycero-3-phosphocholine
DOPC, or 1,2-dioleoyl-sn-glycero-3-phosphocholine, stands as a notable member of semi-synthetic lipids, distinguished by its derivation from oleic acid. Within the realm of membrane protein research, DOPC offers unique attributes that contribute to its widespread utilization and significance.
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Oleic Acid Derivation: Synthesized from oleic acid, an unsaturated fatty acid, DOPC bears distinctive features imparted by its unsaturated acyl chains.
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Unsaturated Fatty Acyl Chains: DOPC is characterized by two oleoyl groups, contributing to the lipid's fluidity and flexibility due to the presence of double bonds in its acyl chains.
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Biophysical Flexibility: The unsaturation in DOPC's acyl chains imparts fluidity, allowing the lipid to remain in a liquid crystalline phase across a broad range of temperatures.
Applications in Membrane Protein Research:
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Mimicking Biological Membranes: DOPC's fluid nature and unsaturation make it a suitable component for mimicking the fluidity of biological membranes. This is particularly valuable when studying membrane proteins in conditions that replicate physiological environments.
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Biophysical Studies: Widely employed in biophysical studies, DOPC serves as a model lipid for investigating membrane properties, lipid-protein interactions, and the influence of lipid composition on membrane dynamics.
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Liposomal Formulations: Beyond its role in membrane protein research, DOPC's flexibility has led to its use in liposomal formulations, serving as a versatile vehicle for drug delivery systems.
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