EOG8FFGG6	GO:0005923	12/85	bicellular tight junction	cellular_component	"An occluding cell-cell junction that is composed of a branching network of sealing strands that completely encircles the apical end of each cell in an epithelial sheet; the outer leaflets of the two interacting plasma membranes are seen to be tightly apposed where sealing strands are present. Each sealing strand is composed of a long row of transmembrane adhesion proteins embedded in each of the two interacting plasma membranes." [GOC:mah, ISBN:0815332181]
EOG8FFGG6	GO:0005198	12/85	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]