EOG82C0RH GO:0005576 2/4 extracellular region cellular_component "The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite." [GOC:go_curators] EOG82C0RH GO:0005198 2/4 structural molecule activity molecular_function "The action of a molecule that contributes to the structural integrity of a complex or assembly within or outside a cell." [GOC:mah]