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VSG

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For Research Use Only. Not For Clinical Use.


Variant surface glycoprotein (VSG) is a ~60kDa protein which densely packs the cell surface of protozoan parasites belonging to the genus Trypanosoma. They form a 12-15 nm surface coat and were first isolated from Trypanosoma brucei in 1975 by George Cross. VSG allows the trypanosomatid parasites to evade the mammalian host's immune system by extensive antigenic variation. VSG has no prescribed biochemical activity.
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