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Figure 4 | BMC Molecular Biology

Figure 4

From: Biochemical characterisation of LigN, an NAD+-dependent DNA ligase from the halophilic euryarchaeon Haloferax volcanii that displays maximal in vitro activity at high salt concentrations

Figure 4

Phylogenetic analysis of archaeal and eubacterial NAD+-dependent DNA ligases. Phylogenetic tree showing the evolutionary relationship of 106 eubacterial and archaeal NAD+-dependent DNA ligase proteins. The tree was generated using TreeView X [39] from sequence alignment data generated using Clustal X [40]. For clarity, only the five proteins of archaeal origin are indicated by name, as follows: Hvo (Haloferax volcanii), Hma (Haloarcula marismortui),Nph (Natronomonas pharaosis), Hqw (Haloquadratum walsbyi HQ2659A protein) and HF70 (uncultured marine archaeon HF70_B12). The colour key is shown bottom right. The category labelled Other eubacteria includes representatives of the Chloroflexi, Bacteroidetes and Deinococci groups, amongst others. A full listing of the identities and database accession numbers of the proteins used to construct the tree can be obtained from the authors on request.

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