 | Aconitase and Iron Regulatory Protein 1 Aconitase performs a reaction in the citric acid cycle, and moonlights as a regulatory protein |
 | Alcohol Dehydrogenase Alcohol dehydrogenase detoxifies the ethanol we drink |
 | Alpha-amylase Amylases digest starch to produce glucose |
 | ATP Synthase ATP synthase links two rotary motors to generate ATP |
 | Bacteriorhodopsin Bacteriorhodopsin pumps protons powered by green sunlight |
 | Beta-galactosidase Beta-galactosidase is a powerful tool for genetic engineering of bacteria |
 | Biodegradable Plastic Bacteria build biodegradable plastic that could be better for the environment |
 | Citrate Synthase Citrate synthase opens and closes around its substrates as part of the citric acid cycle |
 | Citric Acid Cycle Eight enzymes form a cyclic pathway for energy production and biosynthesis |
 | Complex I A proton-pumping protein complex performs the first step of the respiratory electron transport chain |
 | Cytochrome bc1 A flow of electrons powers proton pumps in cellular respiration and photosynthesis |
 | Cytochrome c Cytochrome c shuttles electrons during the production of cellular energy |
 | Cytochrome c Oxidase Cytochrome oxidase extracts energy from food using oxygen |
 | Fatty Acid Synthase Fatty acids are constructed in many sequential steps by a large protein complex |
 | GFP-like Proteins GFP-like proteins found in nature or engineered in the laboratory now span every color of the rainbow |
 | Glycogen Phosphorylase Glycogen phosphorylase releases sugar from its cellular storehouse |
 | Glycolytic Enzymes The ten enzymes of glycolysis break down sugar in our diet |
 | Green Fluorescent Protein (GFP) A tiny fluorescent protein from jellyfish has revolutionized cell biology |
 | Hypoxia-Inducible Factors HIF-α is a molecular switch that responds to changing oxygen levels. |
 | Isocitrate Dehydrogenase Atomic structures have revealed the catalytic steps of a citric acid cycle enzyme |
 | Lactate Dehydrogenase Our cells temporarily build lactate when supplies of oxygen are low |
 | Luciferase Organisms from fireflies to bacteria use luciferase to emit light |
 | Myoglobin Myoglobin was the first protein to have its atomic structure determined, revealing how it stores oxygen in muscle cells. |
 | Photosystem I Photosystem I captures the energy in sunlight |
 | Phototropin Phototrophins sense the level of blue light, allowing plants to respond to changing environmental conditions |
 | Pyruvate Dehydrogenase Complex A huge molecular complex links three sequential reactions for energy production |
 | Rhodopsin In our eyes, rhodopsin uses the molecule retinal to see light |
 | Trypsin An activated serine amino acid in trypsin cleaves protein chains |
