Molecular modeling of the effects of mutant alleles on chalcone synthase protein structure.

Abstract excerpt

Chalcone synthase (CHS) catalyzes the first committed step in flavonoid biosynthesis, a major pathway of plant secondary metabolism. An allelic series for the Arabidopsis CHS locus, tt4, was previously characterized at the gene, protein, and end-product levels. In an effort to deduce the molecular basis for the observed phenotypes, homology models were generated for five of the tt4 proteins based on the crystal...

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