GO:0005198	F	0.57	structural molecule activity
GO:0005200	F	0.32	structural constituent of cytoskeleton
GO:0004872	F	0.22	receptor activity
GO:0046982	F	0.20	protein heterodimerization activity
GO:0003824	F	0.20	catalytic activity
GO:0099600	F	0.19	transmembrane receptor activity
GO:0038023	F	0.17	signaling receptor activity
GO:0030234	F	0.15	enzyme regulator activity
GO:0004888	F	0.15	transmembrane signaling receptor activity
GO:0044877	F	0.13	macromolecular complex binding
GO:0003676	F	0.12	nucleic acid binding
GO:0016740	F	0.11	transferase activity
