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. 2002 Mar;66(1):1–20. doi: 10.1128/MMBR.66.1.1-20.2002

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Copyright © 2002, American Society for Microbiology

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FIG. 5. — Physical map of the genes encoding the bidirectional hydrogenase (hox) and additional ORFs (labeled 1 to 7, with identical numbers indicating homologous ORFs) in the cyanobacteria A. variabilis (two strains; A. ATCC 29413 [173] and A. IAM M58 [Gen. Bank accession no. AB057405]), Anabaena strain PCC 7120 (A. PCC 7120) (http://www.kazusa.or.jpn/cyano/anabaena), Synechococcus PCC 6301 (S. PCC 6301) (29, 30), and Synechocystis PCC 6803 (S. PCC 6803) (12, 95, 144). Vertical lines correspond to the positions of triplets encoding conserved cysteine residues compared to other microorganisms (for more details, see Table 4). ▨ and represent the NAD- and flavin mononucleotide-binding regions, respectively.