GO:0000166 nucleotide binding
GO:0004672 protein kinase activity
GO:0004674 protein serine/threonine kinase activity
GO:0005509 calcium ion binding
GO:0005524 ATP binding
GO:0006468 protein phosphorylation
GO:0016772 transferase activity. transferring phosphorus-containing groups
GO:0030247 polysaccharide binding
