go_id,ontology,go_term,term_definition,evidence GO:0004674,MF,"protein serine/threonine kinase activity","Catalysis of the reactions: ATP + protein serine = ADP + protein serine phosphate, and ATP + protein threonine = ADP + protein threonine phosphate.",IBA GO:0005524,MF,"ATP binding","Interacting selectively and non-covalently with ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator.",IEA GO:0005634,CC,nucleus,"A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent.",IEA GO:0005654,CC,nucleoplasm,"That part of the nuclear content other than the chromosomes or the nucleolus.",IDA GO:0006468,BP,"protein phosphorylation","The process of introducing a phosphate group on to a protein.",NAS GO:0019208,MF,"phosphatase regulator activity","Modulates the activity of a phosphatase, an enzyme which catalyzes of the removal of a phosphate group from a substrate molecule.",IDA|IMP GO:0030500,BP,"regulation of bone mineralization","Any process that modulates the frequency, rate or extent of bone mineralization.",IMP GO:0050790,BP,"regulation of catalytic activity","Any process that modulates the activity of an enzyme.",IEA