Morant, Marc CYP703 is an ancient cytochrome P450 in land plants catalyzing in-chain hydroxylation of lauric acid to provide building blocks for sporopollenin synthesis in pollen. [electronic resource] - The Plant cell May 2007 - 1473-87 p. digital Publication Type: Journal Article ISSN: 1040-4651 Standard No.: 10.1105/tpc.106.045948 doi Subjects--Topical Terms: Arabidopsis--enzymologyArabidopsis Proteins--geneticsBiopolymers--biosynthesisCarotenoids--biosynthesisCatalysisCell Wall--ultrastructureCytochrome P-450 Enzyme System--geneticsEvolution, MolecularExpressed Sequence TagsFertilityGene Expression ProfilingGene Expression Regulation, EnzymologicGene Expression Regulation, PlantHydroxylationLauric Acids--chemistryModels, BiologicalMutation--geneticsPhylogenyPollen--cytologyRNA, Messenger--genetics