5.4.99.48 716421 Triterpene cyclases from Oryza sativa L.: cycloartenol, parkeol and achilleol B synthases Org. Lett. 13 2678-2681 2011 Oryza sativa http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=21526825&form=6&db=m