Carbon Fixation

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The Rubisco Molecule...16 chains, 8 large chains with embedded active sites, 8 smaller chains on end (1UPM.pdb)

Dimer of two large chains of the rubisco molecule better illustrating the active sites and the head to toe antiparallel orientation of the interacting subunits. (substrate is Cpk colored, the coordinating ion is lime green, the residues interacting with the substrate (lys334, modified lys201, asp203, glu204, thr65, glu60, lys128) are also cpk colored.) (1UPM.pdb)

One large chain of the rubisco molecule focusing on the active sites. (substrate is Cpk colored, the coordinating ion is lime green, the residues interacting with the substrate (lys334, modified lys201, asp203, glu204, thr65, glu60, lys128) are also cpk colored.) (1UPM.pdb)