The Recombinant HPV-16 antigen is a full length protein expressed in E. coli having an Mw of 56.7kDa. The protein is fused to a 26kDa GST-Tag, having a total Mw of 82.7kDA and purified by standard chromatography. - See more at: http://www.avivasysbio.com/sd/tds/html_datasheet.php?sku=OPPA02429