PDB-101: Molecule of the Month: Rubisco

Rubisco fixes atmospheric carbon dioxide into bioavailable sugar molecules

Rubisco fixes atmospheric carbon dioxide into bioavailable sugar molecules Fixing Carbon Carbon is essential to life. All of our molecular machines are built around a central scaffolding of organic carbon. Unfortunately, carbon in the earth and atmosphere is locked in highly oxidized forms, such as carbonate minerals and carbon dioxide gas. In order to be useful, this oxidized carbon must be "fixed" into more organic forms, rich in carbon-carbon bonds and decorated with hydrogen atoms. Powered by the energy of sunlight, plants perform this central task of carbon fixation. Inside plant…

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