Jingqun Tang, Zhaohui Luo, Guangqian Zhou, Chao Song, Fenglei Yu, Juanjuan Xiang* and Gang Li*
* Corresponding authors: Juanjuan Xiang xiangjj@csu.edu.cn - Gang Li gangli@ort.cuhk.edu.hk
BMC Molecular Biology 2011, 12:44 doi:10.1186/1471-2199-12-44