monoatomic ion transport
   |__monoatomic cation transport
       |__metal ion transport  293 rec.
           |__aluminum cation transport
           |__calcium ion transport 91 rec.
           |   |__calcium ion export
           |   |__calcium ion import(+) 8 rec.
           |   |__calcium ion import into cytosol(+) 5 rec.
           |   |__calcium ion transmembrane transport(+) 59 rec.
           |   |__Golgi calcium ion transport(+) 3 rec.
           |   |__regulation of calcium ion transport(+) 11 rec.
           |   |__sarcoplasmic reticulum calcium ion transport(+)
           |   |__store-operated calcium entry(+) 5 rec.
           |__lead ion transport
           |__lithium ion transport
           |   |__lithium ion transmembrane transport(+)
           |__magnesium ion transport 8 rec.
           |   |__magnesium ion transmembrane transport(+) 5 rec.
           |__potassium ion transport 63 rec.
           |   |__potassium ion transmembrane transport(+) 52 rec.
           |   |__regulation of potassium ion transport(+) 6 rec.
           |__regulation of metal ion transport 26 rec.
           |   |__regulation of calcium ion transport(+) 11 rec.
           |   |__regulation of copper ion transmembrane transport(+)
           |   |__regulation of iron ion transport(+) 2 rec.
           |   |__regulation of potassium ion transport(+) 6 rec.
           |   |__regulation of sodium ion transport(+) 8 rec.
           |   |__regulation of zinc ion transport(+)
           |__sodium ion transport 105 rec.
           |   |__regulation of sodium ion transport(+) 8 rec.
           |   |__renal sodium ion transport(+) 2 rec.
           |   |__sodium ion transmembrane transport(+) 74 rec.
           |__transition metal ion transport 47 rec.
               |__cadmium ion transport(+)
               |__cobalt ion transport
               |__copper ion transport(+) 9 rec.
               |__iron ion transport(+) 19 rec.
               |__manganese ion transport(+) 3 rec.
               |__mercury ion transport
               |__nickel cation transport(+)
               |__silver ion transport(+)
               |__vanadium ion transport
               |__zinc ion transport(+) 19 rec.