Streptavidin is a 52,800 dalton tetrameric protein antiseptic from the bacillus Streptomyces avidinii.
It finds advanced use in atomic analysis through its abnormally able amore for biotin (also accepted as vitamin H); the break connected (Kd) of the biotin-streptavidin circuitous is on the adjustment of ~10-15 mol/L, baronial a part of the arch non-covalent interactions accepted in nature.
more about: Streptavidin
from: Amino Acids
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