Gene_Ontology
        molecular_function
                binding
                        ion binding
                                cation binding
                                        metal ion binding
                                                transition metal ion binding
                                                        cadmium ion binding +
                                                        cobalt ion binding [GO:0050897] (5 genes, 5 annotations)
                                                        copper ion binding +
                                                        iron ion binding +
                                                        manganese ion binding
                                                        mercury ion binding
                                                        molybdenum ion binding
                                                        nickel cation binding
                                                        vanadium ion binding
                                                        zinc ion binding

---