GO:0005515	protein binding	57
GO:0043167	ion binding	31
GO:0000166	nucleotide binding	18
GO:0016740	transferase activity	18
GO:0030234	enzyme regulator activity	9
GO:0016787	hydrolase activity	8
GO:0060089	molecular transducer activity	6
GO:0005215	transporter activity	5
GO:0003676	nucleic acid binding	4
GO:0003682	chromatin binding	4
GO:0030246	carbohydrate binding	4
GO:0008289	lipid binding	3
GO:0060090	molecular adaptor activity	1