Diterpene cyclases and the nature of the isoprene fold.
Cao R, Zhang Y, Mann FM, Huang C, Mukkamala D, Hudock MP, Mead ME, Prisic S, Wang K, Lin FY, Chang TK, Peters RJ, Oldfield E. Diterpene cyclases and the nature of the isoprene fold. Proteins. 2010 Aug 15; 78(11):2417-32.