The Scripps Research Institute

University of California

United Kingdom Research and Innovation

Medical Research Council

North Carolina State University

Scarab Genomics, LLC

Other

The Scripps Reserach Institute

Jason W Chin

Peter G Schultz

J Christopher Anderson

T Ashton Cropp

Lei Wang

David R Liu

John Christopher Anderson

Thomas J Magliery

Eric L Meggers

Ryan Aaron Mehl

Miro Pastrnak

Zhiwen Zhang

Alexander Deiters

Stephen William Santoro

Steven William Santoro

Julius Fredens

Kaihang Wang

Heinz Neumann

Kathrin Lang

Daniel De La Torre

Wesley E Robertson

Oliver Rackham

Louise F H Funke

Mohan Mahesh

Ashton T Cropp

Duy P Nguyen

Nicolas Huguenin-dezot

Simon J Elsasser

Shan Tang

Hrvoje Lusic

Eugene Y Kym

Christopher J Anderson

Wolfgang H Schmied

Satpal Virdee

Peter Schultz

The current invention provides a synthetic prokaryotic genome comprising 5 or fewer occurrences of one or more sense codons; and/or a synthetic prokaryotic genome derived from a parent genome, wherein the synthetic prokaryotic genome comprises less than 10%, 5%, 2%, 1%, 0.5%, 0.1% of the occurrences of one or more sense codons, relative to the parent genome; and/or a synthetic prokaryotic genome comprising 100 or more, 200 or more, or 1000 or more genes with no occurrences of one or more sense codons.

Synthetic genome

The invention relates to genetic incorporation of 2,3-diamino propionic acid (DAP) into polypeptides, to unnatural amino acids comprising DAP, to a tRNA synthetase for charging tRNA with unnatural amino acids comprising DAP, and to methods of using the resulting polypeptides, for example in capturing substrates and/or intermediates in enzymatic reactions. The invention also relates to compounds of formula (I) or (II): or salts, solvates, tautomers, isomers or mixtures thereof.

Methods and compositions

The invention relates to a polypeptide comprising an amino acid having a bicyclo[6.1.0]non-4-yn-9-ylmethanol (BCN) group, particularly when said BCN group is present as: a residue of a lysine amino acid. The invention also relates to a method of producing a polypeptide comprising a BCN group, said method comprising genetically incorporating an amino acid comprising a BCN group into a polypeptide. The invention also relates to an amino acid comprising bicyclo[6.1.0]non-4-yn-9-ylmethanol (BCN), particularly and amino acid which is bicyclo[6.1.0]non-4-yn-9-ylmethanol (BCN) lysine. In addition the invention relates to a PylRS tRNA synthetase comprising the mutations Y271M, L274G and C313A.

Methods of incorporating an amino acid comprising a BCN group into a polypeptide using an orthogonal codon encoding it and an orthogonal pylrs synthase

The invention relates to a method comprising a) providing a host cell said host cell comprising an episomal replicon, said episomal replicon comprising a donor nucleic acid sequence, said host cell further comprising a target nucleic acid, b) providing helper protein(s) capable of supporting nucleic acid recombination in said host cell c) providing helper protein(s) and/or RNAs capable of supporting nucleic acid excision in said host cell wherein said donor nucleic acid sequence comprises in order. 5'-homologous recombination sequence 1-sequence of interest-homologous recombination sequence 2-3&#x2032; wherein said sequence of interest comprises a positive selectable marker d) inducing excision of said donor nucleic acid sequence e) incubating to allow recombination between the excised donor nucleic acid and said target nucleic acid f) selecting for recombinants having incorporated said donor nucleic acid into said target nucleic acid. Also described are nucleic acids and cells.

Genome editing

The invention relates to a method for incorporating an unnatural amino acid into a protein of interest in a eukaryotic cell, said method comprising the steps of: i) providing a eukaryotic cell expressing an orthogonal tRNA synthetase-t RNA pair, a nucleic acid sequence of interest encoding said protein of interest, and a mutant eRF1, said mutant eRF1 having amino acid sequence having at least 60% sequence identity to the human wild type eRF1 sequence of SEQ ID NO: 4, said nucleic acid sequence of interest comprising a codon recognised by the tRNA at the position for incorporation of an unnatural amino acid; ii) incubating the eukaryotic cell in the presence of an unnatural amino acid to be incorporated into a protein encoded by the nucleic acid sequence of interest, wherein said unnatural amino acid is a substrate for the orthogonal tRNA synthetase; and iii) incubating the eukaryotic cell to allow incorporation of said unnatural amino acid into the protein of interest via the orthogonal tRNA synthetase-t RNA pair. The invention also relates to uses, host cells, combinations and kits.

Use of eRF1 mutants in unnatural amino acid incorporation

The invention relates to a polypeptide comprising an amino acid having a norbornene group. Suitably said norbornene group is present as an amino acid residue of a norbornene lysine. The invention also relates to a method of producing a polypeptide comprising a norbornene group, said method comprising genetically incorporating an amino acid comprising a norbornene group into a polypeptide.

Norbornene modified peptides and their labelling with tetrazine compounds

The invention relates to a method of making a polypeptide comprising an orthogonal functional group, said orthogonal functional group being comprised by an aliphatic amino acid or amino acid derivative, said method comprising providing a host cell; providing a nucleic acid encoding the polypeptide of interest; providing a tRNA-tRNA synthetase pair orthogonal to said host cell; adding an amino acid or amino acid derivative comprising the orthogonal functional group of interest, wherein said amino acid or amino acid derivative is a substrate for said orthogonal tRNA synthetase, wherein said amino acid or amino acid derivative has an aliphatic carbon backbone; and incubating to allow incorporation of said amino acid or amino acid derivative into the polypeptide of interest via the orthogonal tRNA-tRNA synthetase pair. The invention also relates to certain amino acids, and to polypeptides comprising same.

Methods

This invention provides compositions and methods for producing translational components that expand the number of genetically encoded amino acids in eukaryotic cells. The components include orthogonal tRNAs, orthogonal aminoacyl-tRNA synthetases, orthogonal pairs of tRNAs/synthetases and unnatural amino acids. Proteins and methods of producing proteins with unnatural amino acids in eukaryotic cells are also provided.

Unnatural reactive amino acid genetic code additions

Expanding the eukaryotic genetic code

This invention provides compositions and methods for generating components of protein biosynthetic machinery including orthogonal tRNAs, orthogonal aminoacyl-tRNA synthetases, and orthogonal pairs of tRNAs/synthetases. Methods for identifying orthogonal pairs are also provided. These components can be used to incorporate unnatural amino acids into proteins in vivo.

Methods and compositions for the production of orthogonal tRNA-aminoacyl tRNA synthetase pairs

There is provided a method for evolving an orthogonal rRNA molecule, comprising the steps of: providing one or more libraries of mutant orthogonal rRNA molecules and introducing the libraries into cells such that the orthogonal rRNA is incorporated into ribosomes to provide orthogonal ribosomes; providing one or more orthogonal mRNA molecules which (i) are not translated by natural ribosomes, and (ii) comprise one or more orthogonal mRNA codons; assaying the translation of the orthogonal mRNA and selecting the orthogonal rRNA molecules which translate the orthogonal mRNA, wherein the assay in step (c) requires translation of one or more orthogonal mRNA codons in the orthogonal mRNA; and orthogonal ribosomes incorporating such rRNA molecules.

Evolved orthogonal ribosomes

This invention provides compositions and methods for producing translational components that expand the number of genetically encoded amino acids in eukaryotic cells. The components include orthogonal tRNAs, orthogonal aminoacyl-tRNA synthetases, pairs of tRNAs/synthetases and unnatural amino acids. Proteins and methods of producing proteins with unnatural amino acids in eukaryotic cells are also provided.

Growing community of inventors

Cambridge, United Kingdom

Jason W Chin