Product Summary Source E. coli recombinant Virus Name Human papillomavirus Virus Family Papillomaviridae Composition L1 Purity 95% Presentation 500mM Histidine, 100mM NaCl, 0.02% Tween80(pH6.0) Description Recombinant HPV56 VLP (L1 Proteins) comprising L1 proteins, expressed from E.coli.