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. 2006 Dec 18;189(5):2150–2154. doi: 10.1128/JB.01424-06

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Copyright © 2007, American Society for Microbiology

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FIG. 1. — Sequence analysis of the N. punctiforme RIR gene. (A) Schematic illustration of the N. punctiforme RIR gene and its flanking genes. (B) Alignment of the predicted RIR protein sequence of Nostoc punctiforme (Npu) with the homologous sequence of Nostoc sp. strain PCC7120 (Nsp). Only sequences proximal to the intron insertion site (indicated) are shown, with the numbers of omitted amino acids shown in parentheses. The N. punctiforme RIR gene is flanked immediately upstream by the gatA (Glu-tRNA amino transferase subunit A) gene and downstream by the qor gene (encoding an alcohol dehydrogenase).