GO:0005198	F	0.61	structural molecule activity
GO:0005201	F	0.47	extracellular matrix structural constituent
GO:0019838	F	0.25	growth factor binding
GO:0097367	F	0.24	carbohydrate derivative binding
GO:0048407	F	0.23	platelet-derived growth factor binding
GO:0044877	F	0.19	macromolecular complex binding
GO:0043167	F	0.19	ion binding
GO:0046872	F	0.18	metal ion binding
GO:0042802	F	0.18	identical protein binding
GO:0032403	F	0.17	protein complex binding
GO:0005539	F	0.17	glycosaminoglycan binding
GO:0008201	F	0.16	heparin binding
GO:0005102	F	0.16	receptor binding
GO:0003824	F	0.11	catalytic activity
