Medical Dictionary

streptavidin

noun strep·ta·vi·din \ ˌstrep-ˈtav-əd-ən , -tə-ˈvīd-ᵊn \

medical Definition of streptavidin

:a protein similar to avidin that is produced by a bacterium of the genus Streptomyces (S. avidinii), has four identical subunits that each bind tightly to a molecule of biotin, and is used especially in the detection of molecules (as nucleic acids or antibodies) linked to a biotin label

Seen and Heard

What made you want to look up streptavidin? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

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

WORD OF THE DAY

to suppress quietly or indirectly

Get Word of the Day daily email!

Love words? Need even more definitions?

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