Figure 1.  The phylogenetic tree (A) and amino acid sequence
alignment (B) of V. anguillarum Plp with members of the SGNH
family. The phylogenetic tree was analyzed by the Neighbor
Joining (NJ) method with 1000 bootstraps, and node support
values (as percentages) are labeled above the branch lines of
the phylogenetic tree leading to the Plp homologues found in the
genus Vibrio. Sequences of the 16 closest matches to Plp are
aligned along the five conserved blocks of the SGNH family
(Block IV not shown). The rectangle bars above the alignment
indicate the amount of conservation of amino acid residues. The
four residues conserved in all SGNH family members are boxed.
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