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. 2000 Dec 5;97(26):14807–14812. doi: 10.1073/pnas.240284097

Figure 2.

Figure 2

(A) Amino acid sequence alignment between the maize STC1 protein and sesquiterpene cyclases from oil palm (GenBank accession no. AAC31570), Gossypium arboreum [δ-cadinene synthase (δ-cadin), Swissprot Q39760], and Nicotiana tabaccum [5-epiaristolochene synthase (5EAS), Swissprot Q40577]. The sequences were aligned with the GCG program PILEUP. A residue that is highly conserved appears in bold. Gaps are represented by dots. Amino acids corresponding to the conserved DDXXD motif are underlined. (B) stc1 gene structure. Exons are represented as open boxes, the numbers referring to the approximate number of amino acids in each exon. The 5′ and 3′ untranslated regions (UTRs) are shown as double lines, and the Ac6087 insertion is shown as an inverted triangle in the 5′ UTR. The stc1 genomic sequence has been deposited in GenBank (accession no. AF296123).