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(A) Ribbon views of the LM of T. brucei La. (B) Ribbon view of a wHTH motif as observed in the Z-DNA-binding domain of the adenosine deaminase ADAR1 (PDB accession number 1QBJ). The topology of the LM is similar to that of the wHTH motif of some transcription factors. MOLSCRIPT (Kraulis, 1991) was used to prepare this figure.
