TY - STD TI - Predicting adaptive evolution ID - ref1 ER - TY - STD TI - Photosystem II: evolutionary perspectives ID - ref2 ER - TY - STD TI - Nature, [http://www.nature.com/] UR - http://www.nature.com/ ID - ref3 ER - TY - STD TI - University of Washington, [http://www.washington.edu/] UR - http://www.washington.edu/ ID - ref4 ER -