light chain

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light chain

Either of the two smaller polypeptide chains in an immunoglobulin molecule, consisting of an antigen-binding portion with a variable amino acid sequence and a constant region that occurs in two different forms in humans.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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constant region
constraint
immunoglobulin
lead
leash
restraint
tether
variable region

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