Retrieving "Substrate Specificity" from the archives

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1. Enzymatic Catalysis

   Linked via "substrate specificity"

   Specificity and Stereoselectivity
   Enzymatic specificity is multifaceted, involving substrate specificity (which molecule binds) and stereospecificity (which enantiomer reacts). Enzymes achieve near-perfect stereoselectivity (often $>99.99\%$) because the active site presents a three-point attachment surface. Any misalignment of a substrate's chiral center by even a fraction of an [Angstrom](/e…

2. Enzyme

   Linked via "substrate specificity"

   Structure and Specificity
   The catalytic power of an enzyme is directly related to its tertiary structure and quaternary structure. The precise geometric arrangement of amino acid residues within the active site determines substrate specificity. Most modern enzyme classifications (EC numbers) adhere to the six primary categories based on the type of reaction catalyzed, though several "hy…