Li, P., Kirkpatrick, J. P., & Carlomagno, T. (2009). An efficient strategy for the determination of the three-dimensional architecture of ribonucleoprotein complexes by the combination of a few easily accessible NMR and biochemical data: intermolecular recognition in a U4 spliceosomal complex. Journal of Molecular Biology, 388(2), 283-298. Retrieved from http://www.sciencedirect.com/science?_ob=MImg&_imagekey=B6WK7-4VT5TSS-3-T&_cdi=6899&_user=38661&_orig=browse&_coverDate=05%2F01%2F2009&_sk=996119997&view=c&wchp=dGLbVzW-zSkzV&md5=2fbd38a824ae91a6996df1af5942a481&ie=/sdarticle.pdf.