Avidin: Difference between revisions

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	~~'''3D Structure of Avidin'''~~

	[[Avidin]] '''(Av)''' is a protein found in egg white which binds biotin (vitamin B7) with high affinity. This property makes it a powerful tool in various protein pull-down assays. Similar proteins are streptavidin (StrAv) from the bacterium ''Streptomyces avidinii'', Rhizavidin (RhiAv) from ''Rhizobium etli'', Xenavidin from frog, and the avidin-related proteins AVR2 and AVR4. The N-acetylglucosamine sugars are shown as space filling objects in the image on the left.		[[Avidin]] '''(Av)''' is a protein found in egg white which binds biotin (vitamin B7) with high affinity. This property makes it a powerful tool in various protein pull-down assays. Similar proteins are streptavidin (StrAv) from the bacterium ''Streptomyces avidinii'', Rhizavidin (RhiAv) from ''Rhizobium etli'', Xenavidin from frog, and the avidin-related proteins AVR2 and AVR4. The N-acetylglucosamine sugars are shown as space filling objects in the image on the left.