photoaffinity labeling

noun

Medical Definition of photoaffinity labeling

: a technique of attaching a label to the active site of a large molecule and especially a protein by using a molecule which binds loosely and reversibly to the large molecule's active site and which has an inactive part that can be converted by photolysis to a highly reactive form causing the complex of the large substrate molecule and the loosely attached label to bind more permanently

Learn More About photoaffinity labeling

Dictionary Entries Near photoaffinity labeling

photoaffinity label

photoaffinity labeling

photoaging

See More Nearby Entries 

Cite this Entry

“Photoaffinity labeling.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/photoaffinity%20labeling. Accessed 14 Aug. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

Challenging Words You Should Know

  • hedgehog reading a book
  • Often used to describe “the march of time,” what does inexorable mean?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!