carbohydrates that tends to give mucus its "slimy" feel . Proteins that circulate in the blood are not normally O -glycosylated, with the exception of IgA 1 and IgD (two types of antibody) and C1-inhibitor . HERPES GUIDE The glycoproteins are: gB (VP7 and VP8.5) gC (VP8) gD (VP17 and VP18)