A complex containing PGRL1 and PGR5 is involved in the switch between linear and cyclic electron flow in Arabidopsis.
DalCorso G, Pesaresi P, Masiero S, Aseeva E, Schünemann D, Finazzi G, Joliot P, Barbato R, Leister D. Cell. 2008 Jan 25; 132(2):273-85.