Figure 4.

Physical organization of the A1501 pnfA cluster and comparisons with equivalent clusters from other diazotrophic strains. The numbers underneath the arrows indicate the percentage of amino acid sequence identity between the A1501 pnfA product and its homologs.

Yan et al. BMC Genomics 2010 11:11   doi:10.1186/1471-2164-11-11
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