This work was supported by the National Natural Science Foundation of China(Nos.81371851,81071316,81271882 and 81301394);the New Century Excellent Talents in Universities(No.NCET-11-0703);the National Megaprojects for Key Infec-tious Diseases(No.2008ZX10003-006);an excellent Ph.D Thesis Fellowship of Southwestern University(Nos.kb2010017 and ky2011003);the Fundamental Research Fund for Central Universities(Nos.XDJK2011D006,XDJK2012D011,XDJK2012D007,XDJK2013D003 and XDJK2014D040);the Natural Science Founda-tion Project of CQ CSTC(No.CSTC 2010BB5002);the Chongqing Municipal Committee of Education for Postgraduate Excellence Program(No.YJG123104);an Undergraduate Teaching Reform Program(No.2013JY201).
RNAs have diverse structures that include bulges and internal loops able to form tertiary contacts or serve as ligand binding sites.The recent increase in structural and functional information related to RNAs has put ...