GO:0004872	F	0.76	receptor activity
GO:0004888	F	0.72	transmembrane signaling receptor activity
GO:0004896	F	0.69	cytokine receptor activity
GO:0005102	F	0.39	receptor binding
GO:0017046	F	0.35	peptide hormone binding
GO:0046983	F	0.32	protein dimerization activity
GO:0042802	F	0.27	identical protein binding
GO:0004925	F	0.26	prolactin receptor activity
GO:0042803	F	0.24	protein homodimerization activity
GO:0005126	F	0.24	cytokine receptor binding
GO:0019955	F	0.20	cytokine binding
GO:0019899	F	0.18	enzyme binding
GO:0098772	F	0.14	molecular function regulator
GO:0044877	F	0.14	macromolecular complex binding
GO:0019901	F	0.14	protein kinase binding
GO:0003824	F	0.14	catalytic activity
GO:0097159	F	0.13	organic cyclic compound binding
GO:1901363	F	0.12	heterocyclic compound binding
GO:0032403	F	0.12	protein complex binding
GO:0019838	F	0.12	growth factor binding
GO:0004903	F	0.11	growth hormone receptor activity
