Product Summary Source E. coli recombinant Virus Name Human papillomavirus Virus Family Papillomaviridae Composition L1 Purity 90% Presentation 500mM Histidine, 100mM NaCl, 0.02% Tween80(pH6.0) Description Recombinant HPV11 VLP (L1 Proteins) comprising L1 proteins, expressed from E.coli.