Institution: | aDepartment of Plant Biology, Carnegie Institution for Science, Stanford, California 94305;bDepartment of Molecular, Cell, and Developmental Biology, University of California, Los Angeles, California 90095-1606;cInstitute of Genomics and Proteomics, University of California, Los Angeles, California 90095;dDepartment of Chemistry and Biochemistry, University of California, Los Angeles, California 90095-1569 |