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| Item | Product name/link | Supplier | Cost | Notes |
|---|---|---|---|---|
| gp120 antigen | gp120 (YU2) (HIV-1/Clade B) (aa 34-518), glycosylated recombinant protein | Eenzyme (near DC, works with NIH) | $259, 50ug | Chose YU2 because this strain was used to obtain basically all SPR binding data in VRC01 paper, this product is produced in 293 cells and has 6x His tag |