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Conservation of the 3rd helix of selected homeodomain transcription factors. Comparison of the 3rd helix of the homeodomain three transcription factors with known crystal structures (Oct1, Oct6 and Pit1) as well as three previously published CPPs. (A) Sequence alignments have been performed using T-coffee [55, 56], (B) weblogo illustrations were generated using weblogo 3.3 [57].
