Morris ZS, Hanson DK, Pokkuluri PR, Mets DG, Hata AN, Poluektov OG, Thurnauer MC, Schiffer M, Laible PD. Chemical Physics. Lysine Substitutions Near Photoactive Cofactors in the Bacterial Photosynthetic Reaction Center Have Opposite Effects on the Rate of Triplet Energy Transfer. 2003; 294:329-346.