UBIQUITIN VARIANTS WITH IMPROVED AFFINITY FOR 53BP1

The present invention pertains to ubiquitin polypeptide variants (Ubvs) having improved affinity for 53BP1 relative to 53 ubiquitin polypeptide or i53 ubiquitin polypeptide wherein the resultant interaction between the Ubvs and 53BP1 promotes increased homology directed repair of DNA double-strand b...

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Main Authors VAKULSKAS, CHRISTOPHER, BODE, NICOLE MARY, ZHANG, LIYANG, GLENN, STEVE EHREN
Format Patent
LanguageEnglish
French
Published 30.03.2023
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Abstract The present invention pertains to ubiquitin polypeptide variants (Ubvs) having improved affinity for 53BP1 relative to 53 ubiquitin polypeptide or i53 ubiquitin polypeptide wherein the resultant interaction between the Ubvs and 53BP1 promotes increased homology directed repair of DNA double-strand break sites. Methods of suppressing 53BP1 recruitmen to DNA double-strand break sites, increasing homologous recombination, increasing gene targeting, and editing a gene in a cell using a CRISPR system are provided with the Ubvs. Compositions and kits of Ubvs are also provided. La présente invention concerne des variants polypeptidiques d'ubiquitine (Ubvs) ayant une affinité améliorée pour 53BP1 par rapport au polypeptide d'ubiquitine 53 ou au polypeptide d'ubiquitine i53, l'interaction résultante entre les Ubvs et 53BP1 favorisant une réparation dirigée d'homologie accrue de sites de rupture de double brin d'ADN. L'invention concerne outre les Ubvs, des procédés de suppression de recruteurs 53BP1 pour des sites de cassure double brin d'ADN, d'augmentation de la recombinaison homologue, d'augmentation du ciblage génique et d'édition d'un gène dans une cellule à l'aide d'un système CRISPR. L'invention concerne également des compositions et des kits de Ubvs.
AbstractList The present invention pertains to ubiquitin polypeptide variants (Ubvs) having improved affinity for 53BP1 relative to 53 ubiquitin polypeptide or i53 ubiquitin polypeptide wherein the resultant interaction between the Ubvs and 53BP1 promotes increased homology directed repair of DNA double-strand break sites. Methods of suppressing 53BP1 recruitmen to DNA double-strand break sites, increasing homologous recombination, increasing gene targeting, and editing a gene in a cell using a CRISPR system are provided with the Ubvs. Compositions and kits of Ubvs are also provided. La présente invention concerne des variants polypeptidiques d'ubiquitine (Ubvs) ayant une affinité améliorée pour 53BP1 par rapport au polypeptide d'ubiquitine 53 ou au polypeptide d'ubiquitine i53, l'interaction résultante entre les Ubvs et 53BP1 favorisant une réparation dirigée d'homologie accrue de sites de rupture de double brin d'ADN. L'invention concerne outre les Ubvs, des procédés de suppression de recruteurs 53BP1 pour des sites de cassure double brin d'ADN, d'augmentation de la recombinaison homologue, d'augmentation du ciblage génique et d'édition d'un gène dans une cellule à l'aide d'un système CRISPR. L'invention concerne également des compositions et des kits de Ubvs.
Author ZHANG, LIYANG
BODE, NICOLE MARY
VAKULSKAS, CHRISTOPHER
GLENN, STEVE EHREN
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DocumentTitleAlternate VARIANTS D'UBIQUITINE PRESENTANT UNE AFFINITE AMELIOREE POUR 53BP1
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Snippet The present invention pertains to ubiquitin polypeptide variants (Ubvs) having improved affinity for 53BP1 relative to 53 ubiquitin polypeptide or i53...
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BIOCHEMISTRY
CHEMISTRY
COMPOSITIONS THEREOF
CULTURE MEDIA
ENZYMOLOGY
METALLURGY
MICROBIOLOGY
MICROORGANISMS OR ENZYMES
MUTATION OR GENETIC ENGINEERING
ORGANIC CHEMISTRY
PEPTIDES
PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS
SPIRITS
VINEGAR
WINE
Title UBIQUITIN VARIANTS WITH IMPROVED AFFINITY FOR 53BP1
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