go_id,ontology,go_term,term_definition,evidence
GO:0000287,MF,"magnesium ion binding","Interacting selectively and non-covalently with magnesium (Mg) ions.",IDA
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:0005622,CC,intracellular,"The living contents of a cell; the matter contained within (but not including) the plasma membrane, usually taken to exclude large vacuoles and masses of secretory or ingested material. In eukaryotes it includes the nucleus and cytoplasm.",IEA
GO:0005737,CC,cytoplasm,"All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.",IDA
GO:0018105,BP,"peptidyl-serine phosphorylation","The phosphorylation of peptidyl-serine to form peptidyl-O-phospho-L-serine.",IBA
GO:0035556,BP,"intracellular signal transduction","The process in which a signal is passed on to downstream components within the cell, which become activated themselves to further propagate the signal and finally trigger a change in the function or state of the cell.",IEA