DNA-binding proteins and uses thereof
First Claim
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1. An isolated, non-naturally occurring polynucleotide encoding a non-naturally occurring fusion protein comprising:
- (i) at least one functional domain, wherein the functional domain comprises a transcriptional activator, a transcriptional repressor or a nuclease; and
(ii) a non-naturally occurring DNA-binding polypeptide comprising;
two or more TALE-repeat units, the TALE repeat units comprising a repeat variable di-residue (RVD), wherein at least one TALE-repeat unit is non-naturally occurring;
an N-cap polypeptide, wherein the N-cap comprises a fragment of a full length N-terminus region of a TALE protein and does not comprise a full length N-terminal region of a TALE protein, the N-cap comprising residues N+1 to N+121 of a TALE protein; and
a C-cap polypeptide, wherein the C-cap polypeptide comprises a fragment of a full length C-terminus region of a TA LE protein and does not comprise a full length C-terminal region of a TALE protein, the C-cap comprising residues C-1 to C-20 of the TALE protein, wherein the polypeptide binds to DNA.
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Abstract
Disclosed herein are polypeptides, polynucleotides encoding, cells and organisms comprising novel DNA-binding domains, including TALE DNA-binding domains. Also disclosed are methods of using these novel DNA-binding domains for modulation of gene expression and/or genomic editing of endogenous cellular sequences.
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Citations
10 Claims
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1. An isolated, non-naturally occurring polynucleotide encoding a non-naturally occurring fusion protein comprising:
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(i) at least one functional domain, wherein the functional domain comprises a transcriptional activator, a transcriptional repressor or a nuclease; and (ii) a non-naturally occurring DNA-binding polypeptide comprising; two or more TALE-repeat units, the TALE repeat units comprising a repeat variable di-residue (RVD), wherein at least one TALE-repeat unit is non-naturally occurring; an N-cap polypeptide, wherein the N-cap comprises a fragment of a full length N-terminus region of a TALE protein and does not comprise a full length N-terminal region of a TALE protein, the N-cap comprising residues N+1 to N+121 of a TALE protein; and a C-cap polypeptide, wherein the C-cap polypeptide comprises a fragment of a full length C-terminus region of a TA LE protein and does not comprise a full length C-terminal region of a TALE protein, the C-cap comprising residues C-1 to C-20 of the TALE protein, wherein the polypeptide binds to DNA. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification