These are codon-optimized DNA constructs for the expression of different HPV types major capsid protein, L1 and minor capsid protein, L2, in the vector pVITRO.This Material is also available at Addgene: https://www.addgene.org/Richard_Roden/Related Publication:■ Vaccine. 2010 Jun 17; 28(28): 4478–4486. ■