SEARCH Articles Figures Tables A model for an enzyme reaction inhibited by the substrate and product Association of enzyme and substrate Biocatalytic anodes enzymes and substrates Biocatalytic fuel cells enzymes and substrates Enzyme labels and substrates Enzyme-substrate complexes formation and reaction Enzymes, their substrates and other metabolites Large Kinetic Consequences of Remote Changes in Enzyme or Substrate Structure Intrinsic Binding Energy and the Circe Effect Multiple enzyme and substrate Multiple enzyme and substrate systems Polyaffinity between polar groups enzyme and substrate Product Inhibition, Enzyme Inactivation, and Substrate Recalcitrance Quantitation of Enzymes and Their Substrates Substrate and Product Concentration in Enzymes Following Classical Michaelis-Menten Kinetics Substrates enzymes Substrates, Vitamins, and Enzymes Involved in the Synthesis of ALA Use of Natural Substrates and Enzymes