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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:

In the lab, epigenetic editing would be used to remove methyl tags from the fetal globin gene, reactivating it.

From Science Daily Jan. 5, 2026

Conservation of codons means that a purified mRNA encoding the globin protein in horses could be transferred to a tulip cell, and the tulip would synthesize horse globin.

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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