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HIV-1 p24 gag antigen in ELISA and Western blots, excellent antigen for early detection of HIV seroconvertors with minimal specificity problems.

8M urea, 20mM Tris-HCl pH-8 and 10mM b-mercaptoethanol.

Sterile filtered colorless clear solution.

Greater than 95.0% as determined by HPLC analysis and SDS-PAGE.

E. coli

Immunoreactive with all sera of HIV-1 infected individuals.

HIV-1 p24 gag although stable at 4°C for 1 week, should be stored below -18°C. Please prevent freeze thaw cycles.