Transcription activator-like effectors (TALEs) are proteins with a unique DNA-binding domain that confers both a predictable and programmable specificity. The DNA-binding domain consists typically of 34-amino acid near-identical repeats. The repeats form a right-handed superhelical structure that wraps around the DNA double helix and exposes the variable amino acids at position 13 of each repeat to the sense strand DNA bases. Each repeat binds one base in a highly specific, non-overlapping, and comma-free fashion. Although TALE specificities are encoded in a simple way, sophisticated rules can be taken into account to build highly efficient DNA-binding modules for biotechnological use
CITATION STYLE
Richter, A., Streubel, J., & Boch, J. (2016). TAL effector DNA-binding principles and specificity. In Methods in Molecular Biology (Vol. 1338, pp. 9–25). Humana Press Inc. https://doi.org/10.1007/978-1-4939-2932-0_2
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