 The structures of some of these receptors are available for visualization through SugarBindDB - a resource of glycan-mediated host–pathogen interactions.Others are available through KEGG Glycan Database, PubChem compound database, and TOXNET database (toxicology data network) of US National Library of Medicine.Because SeV is a negative-strand RNA virus the virus entire life cycle is completed in the cytoplasm using its own RNA polymerase.