Three-Dimensional Structure & Stereochemistry

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Six vocabulary flashcards covering core stereochemistry terms needed to understand how three-dimensional structure governs biomolecular function.

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5 Terms

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Chirality

Asymmetric carbons with nonsuperimposable mirror images; molecules have 2n stereoisomers (n= number of chiral Cs)

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Enantiomers

Stereoisomers that are mirror images (RR vs SS)

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Diastereomers

Stereoisomers that are not mirror images of each other (RR vs RS)

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Racemic Mixture

An equimolar (50:50) mixture of two enantiomers (R and S)

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Stereoisomers are biologically specific because…

Enzymes and receptors typically recognize and interact with only one stereoisomer