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globin

American  
[gloh-bin] / ˈgloʊ bɪn /

noun

Biochemistry.
  1. the protein component of hemoglobin, made up of alpha and beta chains.


globin British  
/ ˈɡləʊbɪn /

noun

  1. biochem the protein component of the pigments myoglobin and haemoglobin

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of globin

1875–80; < Latin glob ( us ) globe, sphere + -in 2


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Reactivating this gene after birth could help bypass defects in the adult globin gene that cause Sickle Cell diseases.

From Science Daily ● Jan. 5, 2026

The globin chains are too short to form functional hemoglobin.

From Textbooks ● Jun. 9, 2022

Even Linus Pauling, who famously discovered that sickle cell was caused by the substitution of a single amino acid in the globin protein, was part of this dismal history.

From New York Times ● Dec. 28, 2021

But that gene, the adult globin gene, is the one that can carry a sickle cell mutation.

From Seattle Times ● Sep. 14, 2021

By a dilute acid haemoglobin is decomposed into globin, and ``haematin,'' a ferri-pyrrol derivative of the probable formula C34H34N4FeO5; under certain conditions the iron-free ``haematoporphyrin'' is obtained.

From The Project Gutenberg Encyclopedia Volume 1 of 28 by Project Gutenberg

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