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Alignments of Walker A and Walker B motifs and the C-motif of the mini-chromosome maintenance (MCM) protein of pTAU4 with those encoded in the archaeal chromosomes of S. solfataricus (Sso), A. pernix (Ape) and Archaeoglobus fulgidus (Afu), as well as the Saccharomyces cerevisiae MCM2 (Sce-2) and MCM3 (Sce-3) proteins. Identical and similar amino acids are indicated by black and gray boxes, respectively, obtained with Boxshade (see Figure 2).
