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kinase

American  
[kahy-neys, -neyz, kin-eys, -eyz] / ˈkaɪ neɪs, -neɪz, ˈkɪn eɪs, -eɪz /

noun

Biochemistry.
  1. a transferase that catalyzes the phosphorylation of a substrate by ATP.


kinase British  
/ ˈkɪn-, ˈkaɪneɪz /

noun

  1. any enzyme that can convert an inactive zymogen to the corresponding enzyme

  2. any enzyme that brings about the phosphorylation of a molecule

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

kinase Scientific  
/ kīnās′,-nāz′,kĭnās′,-āz′ /
  1. Any of various enzymes that catalyze the transfer of a phosphate group from a donor, such as ADP or ATP, to an acceptor.


Etymology

Origin of kinase

First recorded in 1900–05; kin(etic) + -ase

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

In particular, the interaction between the kinase p38 MAP kinase and the protein LaminB1 emerged as a promising target for slowing or preventing the breakdown of the nucleus.

From Science Daily Jul. 5, 2026

Bexobrutideg, a BTK kinase degrader, works by destroying target proteins rather than simply turning them off.

From Barron's Jun. 8, 2026

JAK inhibitors are therapeutic agents that block Janus kinase enzymes to treat diseases.

From The Wall Street Journal Apr. 27, 2026

Both the Terns pill, code-named TERN-701, and Scemblix are second-generation versions of drugs that inhibit a growth promoter of cancer cells, called tyrosine kinase.

From Barron's Dec. 9, 2025

Now researchers in Simon's lab have made a surprising discovery: the fusion protein behaves just like a normal kinase.

From Science Daily Jun. 18, 2024

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