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Alignment of the deduced amino acid sequences and major domains of sheep and other mammalian Dickkopf-1 (DKK1) proteins. * (asterisk), : (colon) and . (dot) mean identical amino acid residues, similar alternate amino acid residues and dissimilar alternate amino acid residues, respectively. Cys1 and Cys2 show N-terminal cysteine-rich domain and C-terminal cysteine-rich domain. Darker gray indicates greater homology; the degree of homology is indicated by shading.
