globin

American  

[gloh-bin] / ˈgloʊ bɪn /

noun

Biochemistry.

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

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globin British  

/ ˈɡləʊbɪn /

noun

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

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Etymology

Origin of globin

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

Example Sentences

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

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

And as a coup de grâce, the isolated globin proteins can clog the filtration system of the kidneys and shut them down.

From Scientific American • May 6, 2019

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