Help Wordnik hunt for a million missing words by backing our Kickstarter!


from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A class of proteins that fluctuate in concentration at specific points during the cell cycle and that regulate the cycle by binding to a kinase.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any of a group of proteins whose presence in a cell varies through its cycle, and that regulates this cycle by forming a complex with kinase


Sorry, no etymologies found.



Log in or sign up to get involved in the conversation. It's quick and easy.