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Sequence and structure of the PSY gene of P. tricornutum strain NRIA-0065. The amino acid sequence of PSY was analyzed by an NCBI-provided Conserved Domain Search. Highlighted in grey: homology to trans-isoprenyl diphosphate synthase; framed amino acids: aspartate rich regions and substrate-Mg2+-binding sites (DXXXD); open circle: substrate binding pocket; filled circle: catalytic residues; line: active site lid residues.
