go_id,ontology,go_term,term_definition,evidence
GO:0000166,MF,"nucleotide binding","Interacting selectively and non-covalently with a nucleotide, any compound consisting of a nucleoside that is esterified with (ortho)phosphate or an oligophosphate at any hydroxyl group on the ribose or deoxyribose.",IEA
GO:0000287,MF,"magnesium ion binding","Interacting selectively and non-covalently with magnesium (Mg) ions.",IDA
GO:0005515,MF,"protein binding","Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).",IPI
GO:0005829,CC,cytosol,"The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.",IBA
GO:0042803,MF,"protein homodimerization activity","Interacting selectively and non-covalently with an identical protein to form a homodimer.",IEA