Patents by Inventor Christian E. Schafmeister

Christian E. Schafmeister has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10487110
    Abstract: The present invention provides novel stabilized crosslinked compounds having secondary structure motifs, libraries of these novel compounds, and methods for the synthesis of these compounds libraries thereof. The synthesis of these novel stabilized compounds involves (1) synthesizing a peptide from a selected number of natural or non-natural amino acids, wherein the peptide comprises at least two moieties capable of undergoing reaction to promote carbon-carbon bond formation; and (2) contacting the peptide with a reagent to generate at least one crosslinker and to effect stabilization of a secondary structure motif. The present invention, in a preferred embodiment, provides stabilized p53 donor helical peptides. Additionally, the present invention provides methods for disrupting the p53/MDM2 binding interaction comprising (1) providing a crosslinked stabilized ?-helical structure; and (2) contacting the crosslinked stabilized ?-helical structure with MDM2.
    Type: Grant
    Filed: March 9, 2018
    Date of Patent: November 26, 2019
    Assignee: President and Fellows of Harvard College
    Inventors: Gregory L. Verdine, Christian E. Schafmeister
  • Publication number: 20180305400
    Abstract: The present invention provides novel stabilized crosslinked compounds having secondary structure motifs, libraries of these novel compounds, and methods for the synthesis of these compounds libraries thereof. The synthesis of these novel stabilized compounds involves (1) synthesizing a peptide from a selected number of natural or non-natural amino acids, wherein said peptide comprises at least two moieties capable of undergoing reaction to promote carbon-carbon bond formation; and (2) contacting said peptide with a reagent to generate at least one crosslinker and to effect stabilization of a secondary structure motif. The present invention, in a preferred embodiment, provides stabilized p53 donor helical peptides. Additionally, the present invention provides methods for disrupting the p53/MDM2 binding interaction comprising (1) providing a crosslinked stabilized ?-helical structure; and (2) contacting said crosslinked stabilized ?-helical structure with MDM2.
    Type: Application
    Filed: March 9, 2018
    Publication date: October 25, 2018
    Applicant: President and Fellows of Harvard College
    Inventors: Gregory L. Verdine, Christian E. Schafmeister
  • Patent number: 9951099
    Abstract: The present invention provides novel stabilized crosslinked compounds having secondary structure motifs, libraries of these novel compounds, and methods for the synthesis of these compounds libraries thereof. The synthesis of these novel stabilized compounds involves (1) synthesizing a peptide from a selected number of natural or non-natural amino acids, wherein the peptide comprises at least two moieties capable of undergoing reaction to promote carbon-carbon bond formation; and (2) contacting the peptide with a reagent to generate at least one crosslinker and to effect stabilization of a secondary structure motif. The present invention, in a preferred embodiment, provides stabilized p53 donor helical peptides. Additionally, the present invention provides methods for disrupting the p53/MDM2 binding interaction comprising (1) providing a crosslinked stabilized ?-helical structure; and (2) contacting the crosslinked stabilized ?-helical structure with MDM2.
    Type: Grant
    Filed: October 6, 2016
    Date of Patent: April 24, 2018
    Assignee: President and Fellows of Harvard College
    Inventors: Gregory L. Verdine, Christian E. Schafmeister
  • Publication number: 20170088581
    Abstract: The present invention provides novel stabilized crosslinked compounds having secondary structure motifs, libraries of these novel compounds, and methods for the synthesis of these compounds libraries thereof. The synthesis of these novel stabilized compounds involves (1) synthesizing a peptide from a selected number of natural or non-natural amino acids, wherein said peptide comprises at least two moieties capable of undergoing reaction to promote carbon-carbon bond formation; and (2) contacting said peptide with a reagent to generate at least one crosslinker and to effect stabilization of a secondary structure motif. The present invention, in a preferred embodiment, provides stabilized p53 donor helical peptides. Additionally, the present invention provides methods for disrupting the p53/MDM2 binding interaction comprising (1) providing a crosslinked stabilized ?-helical structure; and (2) contacting said crosslinked stabilized ?-helical structure with MDM2.
    Type: Application
    Filed: October 6, 2016
    Publication date: March 30, 2017
    Applicant: President and Fellows of Harvard College
    Inventors: Gregory L. Verdine, Christian E. Schafmeister
  • Patent number: 9505801
    Abstract: The present invention provides novel stabilized crosslinked compounds having secondary structure motifs, libraries of these novel compounds, and methods for the synthesis of these compounds libraries thereof. The synthesis of these novel stabilized compounds involves (1) synthesizing a peptide from a selected number of natural or non-natural amino acids, wherein the peptide comprises at least two moieties capable of undergoing reaction to promote carbon-carbon bond formation; and (2) contacting the peptide with a reagent to generate at least one crosslinker and to effect stabilization of a secondary structure motif. The present invention, in a preferred embodiment, provides stabilized p53 donor helical peptides. Additionally, the present invention provides methods for disrupting the p53/MDM2 binding interaction comprising (1) providing a crosslinked stabilized ?-helical structure; and (2) contacting the crosslinked stabilized ?-helical structure with MDM2.
    Type: Grant
    Filed: October 31, 2013
    Date of Patent: November 29, 2016
    Assignee: President and Fellows of Harvard College
    Inventors: Gregory L. Verdine, Christian E. Schafmeister
  • Patent number: 8895699
    Abstract: The present invention provides novel stabilized crosslinked compounds having secondary structure motifs, libraries of these novel compounds, and methods for the synthesis of these compounds libraries thereof. The synthesis of these novel stabilized compounds involves (1) synthesizing a peptide from a selected number of natural or non-natural amino acids, wherein the peptide comprises at least two moieties capable of undergoing reaction to promote carbon-carbon bond formation; and (2) contacting the peptide with a reagent to generate at least one crosslinker and to effect stabilization of a secondary structure motif. The present invention, in a preferred embodiment, provides stabilized p53 donor helical peptides. Additionally, the present invention provides methods for disrupting the p53/MDM2 binding interaction comprising (1) providing a crosslinked stabilized a-helical structure; and (2) contacting the crosslinked stabilized a-helical structure with MDM2.
    Type: Grant
    Filed: November 19, 2012
    Date of Patent: November 25, 2014
    Assignee: President and Fellows of Harvard College
    Inventors: Gregory L. Verdine, Christian E. Schafmeister
  • Patent number: 8895739
    Abstract: Functionalized bis-peptides as well as other amide-containing compounds are obtained by acylation of hindered amines. The functionalized bis-peptides are useful as shape-programmable nanostructures that are immune to denaturation and that contain arrays of functional groups having designed catalytic, protein-binding and/or sensor capabilities.
    Type: Grant
    Filed: January 14, 2011
    Date of Patent: November 25, 2014
    Assignees: Temple University of the Commonwealth System of Higher Education, University of Pittsburgh of the Commonwealth System of Higher Education
    Inventors: Christian E. Schafmeister, Zachary Z. Brown
  • Publication number: 20140162339
    Abstract: The present invention provides novel stabilized crosslinked compounds having secondary structure motifs, libraries of these novel compounds, and methods for the synthesis of these compounds libraries thereof. The synthesis of these novel stabilized compounds involves (1) synthesizing a peptide from a selected number of natural or non-natural amino acids, wherein said peptide comprises at least two moieties capable of undergoing reaction to promote carbon-carbon bond formation; and (2) contacting said peptide with a reagent to generate at least one crosslinker and to effect stabilization of a secondary structure motif. The present invention, in a preferred embodiment, provides stabilized p53 donor helical peptides. Additionally, the present invention provides methods for disrupting the p53/MDM2 binding interaction comprising (1) providing a crosslinked stabilized ?-helical structure; and (2) contacting said crosslinked stabilized ?-helical structure with MDM2.
    Type: Application
    Filed: October 31, 2013
    Publication date: June 12, 2014
    Applicant: PRESIDENT AND FELLOWS OF HARVARD COLLEGE
    Inventors: GREGORY L. VERDINE, CHRISTIAN E. SCHAFMEISTER
  • Publication number: 20130237685
    Abstract: Provided is a macromolecule comprising two or more functionalized bis-peptides connected by one or more linkers, and methods of making thereof. In some embodiments, the functionalized bis-peptides are covalently attached to one or more functionalized bis-peptides to form linear strings of functionalized bis-peptides, macrocycles of functionalized bis-peptides, three-dimensional networks of functionalized bis-peptides, and combinations of any of these. Also provided is a macromolecule comprising two or more bis-peptides connected by one or more linkers, and methods of making thereof. In some embodiments, the bis-peptides comprise non-functionalized bis-peptides, functionalized bis-peptides or a combination of both functionalized and non-functionalized bis-peptides. In some embodiments, the bis-peptides are covalently attached to one or more bis-peptides to form linear strings of bis-peptides, macrocycles of bis-peptides, three-dimensional networks of bis-peptides, and combinations of any of these.
    Type: Application
    Filed: November 16, 2011
    Publication date: September 12, 2013
    Applicants: University Of Pittsburgh - Of The Commonwealth System Of Higher Education, Temple University - Of The Commonwealth System Of Higher Education
    Inventors: Christian E. Schafmeister, Matthew F. Parker
  • Patent number: 8324428
    Abstract: The present invention provides novel stabilized crosslinked compounds having secondary structure motifs, libraries of these novel compounds, and methods for the synthesis of these compounds libraries thereof. The synthesis of these novel stabilized compounds involves (1) synthesizing a peptide from a selected number of natural or non-natural amino acids, wherein said peptide comprises at least two moieties capable of undergoing reaction to promote carbon-carbon bond formation; and (2) contacting said peptide with a reagent to generate at least one crosslinker and to effect stabilization of a secondary structure motif. The present invention, in a preferred embodiment, provides stabilized p53 donor helical peptides. Additionally, the present invention provides methods for disrupting the p53/MDM2 binding interaction comprising (1) providing a crosslinked stabilized ?-helical structure; and (2) contacting said crosslinked stabilized ?-helical structure with MDM2.
    Type: Grant
    Filed: June 8, 2010
    Date of Patent: December 4, 2012
    Assignee: President and Fellows of Harvard College
    Inventors: Gregory L. Verdine, Christian E. Schafmeister
  • Publication number: 20110184171
    Abstract: Functionalized bis-peptides as well as other amide-containing compounds are obtained by acylation of hindered amines. The functionalized bis-peptides are useful as shape-programmable nanostructures that are immune to denaturation and that contain arrays of functional groups having designed catalytic, protein-binding and/or sensor capabilities.
    Type: Application
    Filed: January 14, 2011
    Publication date: July 28, 2011
    Applicants: TEMPLE UNIVERSITY OF THE COMMONWEALTH SYSTEM OF HIGHER EDUCATION, UNIVERSITY OF PITTSBURGH OF THE COMMONWEALTH SYSTEM OF HIGHER EDUCATION
    Inventors: Christian E. Schafmeister, Zachary Z. Brown
  • Publication number: 20110028753
    Abstract: The present invention provides novel stabilized crosslinked compounds having secondary structure motifs, libraries of these novel compounds, and methods for the synthesis of these compounds libraries thereof. The synthesis of these novel stabilized compounds involves (1) synthesizing a peptide from a selected number of natural or non-natural amino acids, wherein said peptide comprises at least two moieties capable of undergoing reaction to promote carbon-carbon bond formation; and (2) contacting said peptide with a reagent to generate at least one crosslinker and to effect stabilization of a secondary structure motif. The present invention, in a preferred embodiment, provides stabilized p53 donor helical peptides. Additionally, the present invention provides methods for disrupting the p53/MDM2 binding interaction comprising (1) providing a crosslinked stabilized ?-helical structure; and (2) contacting said crosslinked stabilized ?-helical structure with MDM2.
    Type: Application
    Filed: June 8, 2010
    Publication date: February 3, 2011
    Applicant: President and Fellows of Harvard College
    Inventors: Gregory L. Verdine, Christian E. Schafmeister
  • Patent number: 7786072
    Abstract: The present invention provides novel stabilized crosslinked compounds having secondary structure motifs, libraries of these novel compounds, and methods for the synthesis of these compounds libraries thereof. The synthesis of these novel stabilized compounds involves (1) synthesizing a peptide from a selected number of natural or non-natural amino acids, wherein said peptide comprises at least two moieties capable of undergoing reaction to promote carbon-carbon bond formation; and (2) contacting said peptide with a reagent to generate at least one crosslinker and to effect stabilization of a secondary structure motif. The present invention, in a preferred embodiment, provides stabilized p53 donor helical peptides. Additionally, the present invention provides methods for disrupting the p53/MDM2 binding interaction comprising (1) providing a crosslinked stabilized ?-helical structure; and (2) contacting said crosslinked stabilized ?-helical structure with MDM2.
    Type: Grant
    Filed: June 9, 2005
    Date of Patent: August 31, 2010
    Assignee: President and Fellows of Harvard College
    Inventors: Gregory L. Verdine, Christian E. Schafmeister
  • Patent number: 7192713
    Abstract: The present invention provides novel stabilized crosslinked compounds having secondary structure motifs, libraries of these novel compounds, and methods for the synthesis of these compounds libraries thereof. The synthesis of these novel stabilized compounds involves (1) synthesizing a peptide from a selected number of natural or non-natural amino acids, wherein said peptide comprises at least two moieties capable of undergoing reaction to promote carbon-carbon bond formation; and (2) contacting said peptide with a reagent to generate at least one crosslinker and to effect stabilization of a secondary structure motif. The present invention, in a preferred embodiment, provides stabilized p53 donor helical peptides. Additionally, the present invention provides methods for disrupting the p53/MDM2 binding interaction comprising (1) providing a crosslinked stabilized ?-helical structure; and (2) contacting said crosslinked stabilized ?-helical structure with MDM2.
    Type: Grant
    Filed: May 18, 2000
    Date of Patent: March 20, 2007
    Assignee: President and Fellows of Harvard College
    Inventors: Gregory L. Verdine, Christian E. Schafmeister
  • Publication number: 20040082783
    Abstract: The present invention provides molecular building blocks of rigid bis(amino acids). The molecular building blocks can be linked together through the formation of rigid diketopiperazine rings, to provide oligomers having the desired three dimensional structure. Oligomers formed from the basic building blocks are also disclosed.
    Type: Application
    Filed: July 2, 2003
    Publication date: April 29, 2004
    Inventor: Christian E. Schafmeister
  • Publication number: 20040077879
    Abstract: The present invention provides molecular building blocks of rigid bis(amino acids). The molecular building blocks can be linked together through the formation of rigid diketopiperazine rings, to provide the desired three dimensional structure. Also provided is method of synthesizing macromolecules from the bis (amino acid) building blocks.
    Type: Application
    Filed: July 5, 2003
    Publication date: April 22, 2004
    Inventor: Christian E. Schafmeister