Definition of "pentapeptide" []

• A polypeptide composed of five amino acids. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Such a linkage of five amino acids is called a pentapeptide.20"
• "Results from a phosphorolated pentapeptide calculation."
• "Peptides Plus Double Action Wrinkle Reverse Crème by Derma E is an affordable, almost all-natural, wrinkle-fighting combination of two proven wrinkle-diminishing peptides: palmitoyl pentapeptide for collagen building and “faux-tox” ingredient acetyl hexapeptide to relax deeper, expression-caused wrinkles."