Goat Anti-HIV type 1 Glycoprotein 41 Polyclonal antibody for IHC-Fr, WB, ELISA. gp41/120 is the major HIV protein associated with the HIV envelope. It functions as the viral antireceptor or attachment protein. gp41 (or TM) traverses the envelope, whereas gp120 is present on the outer surface and is noncovalently attached to gp45. The