Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Neighbor-joining phylogenetic tree relating the proteins listed in Table 2. The tree was constructed using PHYLIP (11), as indicated in Materials and Methods. Bootstrap scores are shown at each node. The bar at the bottom of the figure represents the number of amino acid substitutions per site. The numbers in brackets identify the NTSFs from B. halodurans [1], Bdellovibrio bacteriovorus [2], D. vulgaris [3], and G. sulfurreducens [4].
