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Description
BioFactors (Oxford, England)
Gating residues involved in the occluded-to-inward conformational transition of OCTN2 Alternating-access transport by secondary active transporters requires the coordination of gates that enclose or preclude access to the substrate-binding site from either side of the membrane 51

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It has been included on the FDA list of Generally Recognized As Safe (GRAS) substances since 1958 and is approved as an over-the-counter alertness aid
