Journal
BIOCHEMISTRY
Volume 49, Issue 30, Pages 6302-6304Publisher
AMER CHEMICAL SOC
DOI: 10.1021/bi100976w
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Funding
- NERSC
- National Science Foundation [CHE 0911520]
- National Institutes of Health (NIH) [1R01-GM-084267-01, 1SC1GM083754, G12 RR03060]
- Division Of Chemistry
- Direct For Mathematical & Physical Scien [0911520] Funding Source: National Science Foundation
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The discrimination of n-alkyl-saturated aldehydes during the early stage of odorant recognition by the rat I7 olfactory receptor (OR-I7) is investigated. The concentrations of odorants necessary for 50% activation (or inhibition) of the OR-I7 are measured by calcium imaging recordings of dissociated rat olfactory sensory neurons, expressing the recombinant OR-I7 from an adenoviral vector. These are correlated with the corresponding binding free energies computed for a homology structural model of the OR-17 built from the crystal structure of bovine visual rhodopsin at 2.2 angstrom resolution.
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