Bolton P H, Kearns D R
Nucleic Acids Res. 1978 Apr;5(4):1315-24. doi: 10.1093/nar/5.4.1315.
Polyamines and other charged amines bind to RNA by hydrogen bonding to the 3' phosphate and to the 2' OH. This mode of binding suggests a mechanism by which DNA and RNA might be distinguished by enzymes.
多胺和其他带电荷的胺通过与3'磷酸基团以及2'羟基形成氢键来与RNA结合。这种结合模式提示了一种酶区分DNA和RNA的机制。