L1 protein i form af viruslignende partikler produceret i gærceller (Saccharomyces cerevisiae CANADE 3G- 5 (stamme 1895)) ved hjælp af rekombinant DNA- teknologi.
L1 protein in the form of virus like particles produced in yeast cells (Saccharomyces cerevisiae CANADE 3C-5 (Strain 1895)) by recombinant DNA technology.