Cytochrome c

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Human: Protein structure data for cytochrome c created based on the protein crystallography database entry 3ZCF found at the Research Collaboratory for Structural Bioinformatics database (RCSB PDB): http://www.rcsb.org/pdb/explore/explore.do?structureId=3zcf \n"Within mitochondria, cytochrome c acts as an integral component of the electron transport chain. By accepting electrons from complex III via its heme group, cytochrome c directs them to the oxygen-reducing enzyme cytochrome oxidase (Complex IV), playing a critical role in cell respiration and energy production. In addition to this primary function, cytochrome c has also been implicated as a signaling molecule in the process of apoptosis."\n-From Wikipedia, accessed at: http://en.wikipedia.org/wiki/Cytochrome_c\nUsing Molecular Visualization Tools, a STL (STereoLithography) file was generated using Visual Molecular Dynamics software:http://www.ks.uiuc.edu/Research/vmd/\nThe backbone protein structure is presented in three-dimensional cartoon representation style, while the heme iron ligation site residues are visualized as spherical objects. Successfully fabricated by a high-performance Replicator 2 model in Polylactic Acid (PLA) thermoplastic using MakerWare version 2.4.1.24 software at standard printing settings of moderate density and multiple layer shells, accompanied with built-in supports and rafting system to enhance print quality.