Division of Paleontology, American Museum of Natural History, Central Park West at 79th Street, New York, New York 10024, USA
Jin Meng
Key Laboratory of Evolutionary Systematics of Vertebrates, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, P.O. Box 643, Beijing 100044, China
Jin Meng,
Yuanqing Wang &
Chuankui Li
Contributions J.M. designed the study, performed the comparative and analytical work and wrote the paper. Y.W. and C.L. provided most of the photographs and contributed to the writing and discussion Structure and mechanism of the uracil transporter UraA
State Key Laboratory of Bio-membrane and Membrane Biotechnology, Center for Structural Biology, School of Life Sciences and School of Medicine, Tsinghua University, Beijing 100084, China
Contributions
F.L., S.L., Y.J., J.J., H.F., G.L. and N.Y. designed all experiments. F.L., S.L., Y.J., J.J., H.F., G.L., D.D., S.D. and X.Z. performed the experiments. All authors analysed the data. F.L., J.W. and N.Y. contributed to manuscript preparation. N.Y. wrote the manuscript.
Competing financial interests
The authors declare no competing financial interests.