Crystal structure of a human aminoacyl-tRNA synthetase cytokine Xiang-Lei Yang*, Robert J. Skene, Duncan E. McRee, and Paul Schimmel*, * The Skaggs Institute for Chemical Biology and the Departments of Molecular Biology and Chemistry, The Scripps Research Institute, BCC-379, 10550 North Torrey Pines Road, La Jolla, CA 92037; and Syrrx, Inc., 10410 Science Center Drive, San Diego, CA 92121 Contributed by Paul Schimmel, October 9, 2002 You can download the article freely: http://www.pnas.org/cgi/reprint/99/24/15369.pdf