streptavidin
noun
strep·ta·vi·din
ˌstrep-ˈtav-əd-ən 
-tə-ˈvīd-ᵊn
-tə-ˈvīd-ᵊn
: 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
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“Streptavidin.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/streptavidin. Accessed 29 Nov. 2024.
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