TY - STD TI - Proceedings of the National Academy of Sciences, [http://www.pnas.org] UR - http://www.pnas.org ID - ref1 ER - TY - STD TI - Global efforts in structural genomics. ID - ref2 ER - TY - STD TI - Proteome-scale purification of human proteins from bacteria., [http://www.pnas.org/cgi/content/abstract/99/5/2654] UR - http://www.pnas.org/cgi/content/abstract/99/5/2654 ID - ref3 ER - TY - STD TI - DNA cloning using in vitro site-specific recombination. ID - ref4 ER -