Art of structure of enzyme cytochrome C

Art of structure of enzyme cytochrome C

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Credit: FRANCIS LEROY, BIOCOSMOS/SCIENCE PHOTO LIBRARY

Caption: Cytochrome C enzyme. Illustration of a model of the enzyme cytochrome C, important in the process of respiration. Cytochromes are proteins often regarded as enzymes. Here, one cytochrome C molecule is seen, made of 104 amino acids with a "heme" porphyrin ring containing iron (Fe). In the biochemical pathway of respiration, the valency of Fe2+ is converted to Fe3+ using oxygen, and with this electron transfer the energy carrier ATP is produced. Cytochromes are respiratory enzymes located on cell membranes such as in mitochondria, chloroplasts and endoplasmic reticulum.

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Keywords: artwork, chemical, chemistry, compound, compounds, cytochrome c, enzyme, enzymes, illustration, molecule, molecules, protein, proteomics, respiration

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