Authors: Chandima Abeywickrama; Hiroko Matsuda; Steffen Jockusch; Jilin Zhou; Young P Jang; Bi-Xing Chen; Yasuhiro Itagaki; Bernard F Erlanger; Koji Nakanishi; Nicholas J Turro; Janet R Sparrow Journal: Proc Natl Acad Sci U S A Date: 2007-09-05 Impact factor: 11.205