go_id,ontology,go_term,term_definition,evidence GO:0003677,MF,"DNA binding","Any molecular function by which a gene product interacts selectively and non-covalently with DNA (deoxyribonucleic acid).",IEA 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:0046872,MF,"metal ion binding","Interacting selectively and non-covalently with any metal ion.",IEA