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Globin vs Heme - What's the difference?

globin | heme |

As nouns the difference between globin and heme

is that globin is one of several polypeptides that are the protein components of haemoglobin in blood while heme is the component of hemoglobin (and other hemoproteins) responsible for binding oxygen, consists of an iron ion that binds oxygen and a porphyrin ring that binds the globin molecules; one molecule binds one molecule of oxygen.

globin

English

Noun

(en noun)
  • (protein) One of several polypeptides that are the protein components of haemoglobin in blood.

    • Anagrams

    * *

    heme

    English

    Alternative forms

    * haem (British )

    Noun

  • The component of hemoglobin (and other hemoproteins) responsible for binding oxygen, consists of an iron ion that binds oxygen and a porphyrin ring that binds the globin molecules; one molecule binds one molecule of oxygen.
  • * 2008 , John Greer, John Foerster, George Rodgers, Fixos Paraskevas, Bertil Glader, Daniel Arber, Robert Means Jr, Wintrobe's Clinical Hematology: Volume One: Twelfth Edition , page 141:
    • The binding of oxygen to the iron molecule causes the hemoglobin molecule to undergo conformational changes that affect the binding of oxygen to other heme sites.

    Derived terms

    * diheme * monoheme * multiheme * octaheme * tetraheme * triheme

    See also

    * hemoglobin * bilirubin * red blood cell * ----