Mouse let-7 miRNA populations exhibit RNA editing that is constrained in the 5'-seed/ cleavage/anchor regions and stabilize predicted mmu-let-7a:mRNA duplexes. Genome Res. 2008 ;18(10):1571-81..
Scale-invariant structure of strongly conserved sequence in genomic intersections and alignments. Proc Natl Acad Sci U S A. 2006 ;103(35):13121-5..