GO:0005198	F	0.64	structural molecule activity
GO:0005201	F	0.51	extracellular matrix structural constituent
GO:0048407	F	0.26	platelet-derived growth factor binding
GO:0097367	F	0.22	carbohydrate derivative binding
GO:0043167	F	0.21	ion binding
GO:0046872	F	0.20	metal ion binding
GO:0032403	F	0.19	protein complex binding
GO:0008201	F	0.19	heparin binding
GO:0042802	F	0.13	identical protein binding
GO:0030020	F	0.12	extracellular matrix structural constituent conferring tensile strength
GO:0005102	F	0.12	receptor binding
GO:0005518	F	0.11	collagen binding
