GO:0005515	protein binding	36
GO:0043167	ion binding	17
GO:0003676	nucleic acid binding	13
GO:0005198	structural molecule activity	11
GO:0000166	nucleotide binding	11
GO:0016787	hydrolase activity	6
GO:0030234	enzyme regulator activity	5
GO:0016740	transferase activity	5
GO:0008289	lipid binding	4
GO:0060090	molecular adaptor activity	4
GO:0030246	carbohydrate binding	2
GO:0005215	transporter activity	2
GO:0009055	electron transfer activity	1
