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How many cytochromes are there?


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Solution

Cytochromes:

  1. Redox-active proteins known as cytochromes include a heme, which has a central Fe atom at its center, as a cofactor.
  2. They take part in the electron transport chain and redox catalysis.
  3. They are categorized based on the type of heme and how it binds.
  4. a, b, and c are the three classes of cytochromes according to their light-absorption spectra.
  5. There are at least 30 distinct cytochromes known, and they are identified by letters or letter-number combinations, such as cytochrome a3, cytochrome c, and cytochrome B562.

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