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

1875–80; < Latin glob(us) globe, sphere + -in2 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
globin (ˈɡləʊbɪn)
biochem the protein component of the pigments myoglobin and haemoglobin
[C19: from Latin globus ball, sphere + -in]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

globin glo·bin (glō'bĭn)
The protein that is a constituent of hemoglobin. Also called hematohiston.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Example sentences for globin
Instead, it combines with the nterminal groups on the four globin chains.
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