Complex sentence: The largest assembly of B-phytoerythrin (B-PE) is (αβ) 3 trimer, however preparations from red algae yield also (αβ) 6 hexamer.
Split into simpler sentences: The largest assembly of B-phytoerythrin (B-PE) is (αβ) 3 trimer. However, preparations from red algae yield also (αβ) 6 hexamer.