Complex sentence: Phytohaemagglutinin (PHA, or phytohemagglutinin) is a lectin found in plants, especially beans, in the highest concentrations in the red kidney bean ("Phaseolus vulgaris").
Split into simpler sentences: Phytohaemagglutinin (PHA, or phytohemagglutinin) is a lectin found in plants, especially beans. It is found in the highest concentrations in the red kidney bean ("Phaseolus vulgaris").