Affiliation: | Cold Spring Harbor Laboratory, Cold Spring Harbor, New York 11724 (A.M., S.D., Y.Y., T.Z., D.J.); Department of Molecular Biology, University of Wyoming, Laramie, Wyoming 82071 (A.L., X.L., D.E.T., K.E.W., D.H., A.W.S.); and J. Craig Venter Institute, Rockville, Maryland 20850 (A.C.) |