Actin
Definition, Meaning & Examples
Pronunciation /ˈæktɪn/ · Part of speech noun
Quick meaning: Actin is a noun meaning (biochemistry, countable) One of the six isoforms of actin.
Meaning
(biochemistry, countable) One of the six isoforms of actin.
More Meanings
- (biochemistry, uncountable) A globular structural protein that polymerizes in a helical fashion to form an actin filament (or microfilament).
Example Sentences
2012, Elaine N. Marieb & Katja Hoehn, Human Anatomy & Physiology, 8th ed., chapter 9 "Muscles and Muscle Tissue", page 281. Actin has kidney-shaped polypeptide subunits, called globular actin or G actin, which bear the active sites to which the myosin heads attach during contraction.
Word Forms
- actins
Related Words
Related dictionary entries include myosin, tropomyosin, polymerized, polymerizes, microfilament, actinin.
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Sources & Attribution
FreeDictionaryAPI.com / Wiktionary · Original source · CC BY-SA 4.0
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