posted on 2012-08-27, 01:53authored byWei Ye, Fang Qin, Jian Zhang, Ray Luo, Hai-Feng Chen
A: Distance between Phe69 of PAZ and the base of 3′ terminal of mRNA, U13 in green and U12/U13 in red, respectively. B: The detailed structure near U12/U13 and Phe 69.