Figure 1. ClustalW alignment of BLAST (blastp) results for 8 hits with E values lower than 10-50 and the 1EHK sequence used as the comparative modelling template, GenBank accession numbers are bracketed: Tt, Thermus thermophilus (Q56408); 1EHK, Thermus thermophilus (13399682); Hsp_1, Halobacterium sp. (NP44237); Hsp_2, Halobacterium sp. (AAG20326); Np, Natronobacterium pharaonis (T44942); Bs, Bacillus stearothermophilus (T43835); Bh, Bacillus halodurans (NP241065); Pa, Pyrobaculum aerophilum (NP559246); Bp, Burkholderia pseudomallei (AF087002); Aa, Aquifex aeolicus (NP214506). Functionally crucial conserved residues are underlined.