Patents by Inventor Keith V. Wood

Keith V. Wood 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).

  • OPLOPHORUS-DERIVED LUCIFERASES, NOVEL COELENTERAZINE SUBSTRATES, AND METHODS OF USE
    Publication number: 20140227759
    Abstract: An isolated polynucleotide encoding a modified luciferase polypeptide and substrates. The OgLuc variant polypeptide has at least 60% amino acid sequence identity to SEQ ID NO: 1 and at least one amino acid substitution at a position corresponding to an amino acid in SEQ ID NO: 1. The OgLuc variant polypeptide has at least one of enhanced luminescence, enhanced signal stability, and enhanced protein stability relative to the corresponding polypeptide of the wild-type Oplophorus luciferase.
    Type: Application
    Filed: January 21, 2014
    Publication date: August 14, 2014
    Applicant: PROMEGA CORPORATION
    Inventors: Brock Binkowski, Lance P. Encell, Mary Hall, Matthew B. Robers, Michael R. Slater, Keith V. Wood, Monika G. Wood
  • OPLOPHORUS-DERIVED LUCIFERASES, NOVEL COELENTERAZINE SUBSTRATES, AND METHODS OF USE
    Publication number: 20140223590
    Abstract: An isolated polynucleotide encoding a modified luciferase polypeptide and substrates. The OgLuc variant polypeptide has at least 60% amino acid sequence identity to SEQ ID NO: 1 and at least one amino acid substitution at a position corresponding to an amino acid in SEQ ID NO: 1. The OgLuc variant polypeptide has at least one of enhanced luminescence, enhanced signal stability, and enhanced protein stability relative to the corresponding polypeptide of the wild-type Oplophorus luciferase.
    Type: Application
    Filed: January 21, 2014
    Publication date: August 7, 2014
    Applicant: Promego Corporation
    Inventors: Brock Binkowski, Lance P. Encell, Mary Hall, Matthew B. Robers, Michael R. Slater, Keith V. Wood, Monika G. Wood
  • Method of immobilizing a protein or molecule via a mutant dehalogenase that is bound to an immobilized dehalogenase substrate and linked directly or indirectly to the protein or molecule
    Patent number: 8779221
    Abstract: A mutant hydrolase optionally fused to a protein of interest is provided. The mutant hydrolase is capable of forming a bond with a substrate for the corresponding nonmutant (wild-type) hydrolase which is more stable than the bond formed between the wild-type hydrolase and the substrate and has at least two amino acid substitutions relative to the wild-type hydrolase. Substrates for hydrolases comprising one or more functional groups are also provided, as well as methods of using the mutant hydrolase and the substrates of the invention. Also provided is a fusion protein capable of forming a stable bond with a substrate and cells which express the fusion protein.
    Type: Grant
    Filed: May 22, 2012
    Date of Patent: July 15, 2014
    Assignee: Promega Corporation
    Inventors: Aldis Darzins, Lance Encell, Tonny Johnson, Dieter Klaubert, Georgyi V. Los, Mark McDougall, Keith V. Wood, Monika G. Wood, Chad Zimprich
  • Vectors for directional cloning
    Publication number: 20140186959
    Abstract: The invention provides vectors and methods for directional cloning.
    Type: Application
    Filed: October 17, 2011
    Publication date: July 3, 2014
    Applicant: PROMEGA CORPORATION
    Inventors: Michael R. Slater, Keith V. Wood, James Robert Hartnett
  • Luminescence-based methods and probes for measuring cytochrome P450 activity
    Patent number: 8765969
    Abstract: The invention provides compounds, compositions, methods, substrates, and kits useful for analyzing the metabolic activity in cells, tissue, and animals and for screening test compounds for their effect on cytochrome P450 activity. In particular, a one-step and two-step methods using luminogenic molecules, e.g. luciferins or coelenterazines, that are cytochrome P450 substrates and that are also bioluminescent enzyme, e.g., luciferase, pro-substrates are provided. The present method further provides a method for stabilizing and prolonging the luminescent signal in a luciferase-based assay using luciferase stabilizing agents such as reversible luciferase inhibitors.
    Type: Grant
    Filed: July 3, 2008
    Date of Patent: July 1, 2014
    Assignee: Promega Corporation
    Inventors: James J. Cali, Dieter Klaubert, William Daily, Samuel K. Ho, Susan Frackman, Erika Hawkins, Keith V. Wood
  • Polynucleotides encoding mutant hydrolase proteins with enhanced kinetics and functional expression
    Patent number: 8748148
    Abstract: The invention provides a mutant hydrolase protein with enhanced kinetics and functional expression, as well as polynucleotides encoding the mutant proteins and methods of using the polynucleotides and mutant proteins.
    Type: Grant
    Filed: April 16, 2013
    Date of Patent: June 10, 2014
    Assignee: Promega Corporation
    Inventors: Aldis Darzins, Lance P. Encell, Rachel Friedman Ohana, Paul Otto, Gediminas Vidugiris, Keith V. Wood, Monika G. Wood, Kris Zimmerman, Michael R. Slater, Kate Qin Zhao
  • LUMINOGENIC AND FLUOROGENIC COMPOUNDS AND METHODS TO DETECT MOLECULES OR CONDITIONS
    Publication number: 20140154716
    Abstract: A method to detect the presence or amount of at least one molecule in a sample which employs a derivative of luciferin or a derivative of a fluorophore is provided. Compounds and compositions for carrying out the methods of the invention are also provided.
    Type: Application
    Filed: June 10, 2013
    Publication date: June 5, 2014
    Inventors: James J. Cali, William Daily, Erika Hawkins, Dieter Klaubert, Jianquan Liu, Poncho Meisenheimer, Michael Scurria, John W. Shultz, James Unch, Michael P. Valley, Keith V. Wood, Wenhui Zhou
  • Polynucleotide encoding a mutant dehalogenase to allow tethering to functional groups and substrates
    Patent number: 8742086
    Abstract: A mutant hydrolase optionally fused to a protein of interest is provided. The mutant hydrolase is capable of forming a bond with a substrate for the corresponding nonmutant (wild-type) hydrolase which is more stable than the bond formed between the wild-type hydrolase and the substrate and has at least two amino acid substitutions relative to the wild-type hydrolase. Substrates for hydrolases comprising one or more functional groups are also provided, as well as methods of using the mutant hydrolase and the substrates of the invention. Also provided is a fusion protein capable of forming a stable bond with a substrate and cells which express the fusion protein.
    Type: Grant
    Filed: May 15, 2013
    Date of Patent: June 3, 2014
    Assignee: Promega Corporation
    Inventors: Aldis Darzins, Lance P. Encell, Dieter Klaubert, Georgyi V. Los, Mark McDougall, Keith V. Wood, Monika G. Wood, Chad Zimprich
  • SYNTHETIC OPLOPHORUS LUCIFERASES WITH ENHANCED LIGHT OUTPUT
    Publication number: 20140120548
    Abstract: A polynucleotide encoding a modified luciferase polypeptide. The modified luciferase polypeptide has at least 60% amino acid sequence identity to a wild-type Oplophorus luciferase and includes at least one amino acid substitution at a position corresponding to an amino acid in a wild-type Oplophorus luciferase of SEQ ID NO:1. The modified luciferase polypeptide has at least one of enhanced luminescence, enhanced signal stability, and enhanced protein stability relative to the wild-type Oplophorus luciferase.
    Type: Application
    Filed: October 14, 2013
    Publication date: May 1, 2014
    Applicant: PROMEGA CORPORATION
    Inventors: Lance P. Encell, Mary Hall, Paul Otto, Gediminas Vidugiris, Keith V. Wood, Monika G. Wood, Kristopher Zimmerman
  • Luciferase biosensor
    Patent number: 8673558
    Abstract: A modified beetle luciferase protein which is an environmentally sensitive reporter protein is provided.
    Type: Grant
    Filed: April 24, 2012
    Date of Patent: March 18, 2014
    Assignee: Promega Corporation
    Inventors: Frank Fan, Martin Ken Lewis, John W. Shultz, Keith V. Wood, Braeden Butler
  • Oplophorus-derived luciferases, novel coelenterazine substrates, and methods of use
    Patent number: 8669103
    Abstract: An isolated polynucleotide encoding a modified luciferase polypeptide and substrates. The OgLuc variant polypeptide has at least 60% amino acid sequence identity to SEQ ID NO: 1 and at least one amino acid substitution at a position corresponding to an amino acid in SEQ ID NO: 1. The OgLuc variant polypeptide has at least one of enhanced luminescence, enhanced signal stability, and enhanced protein stability relative to the corresponding polypeptide of the wild-type Oplophorus luciferase.
    Type: Grant
    Filed: November 2, 2011
    Date of Patent: March 11, 2014
    Assignee: Promega Corporation
    Inventors: Brock Binkowski, Lance P. Encell, Mary Hall, Matthew B. Robers, Michael R. Slater, Keith V. Wood, Monika G. Wood
  • COVALENT TETHERING OF FUNCTIONAL GROUPS TO PROTEINS AND SUBSTRATES THEREFOR
    Publication number: 20130337539
    Abstract: A mutant hydrolase optionally fused to a protein of interest is provided. The mutant hydrolase is capable of forming a bond with a substrate for the corresponding nonmutant (wild-type) hydrolase which is more stable than the bond formed between the wild-type hydrolase and the substrate and has at least two amino acid substitutions relative to the wild-type hydrolase. Substrates for hydrolases comprising one or more functional groups are also provided, as well as methods of using the mutant hydrolase and the substrates of the invention. Also provided is a fusion protein capable of forming a stable bond with a substrate and cells which express the fusion protein.
    Type: Application
    Filed: May 15, 2013
    Publication date: December 19, 2013
    Applicant: PROMEGA CORPORATION
    Inventors: Aldis Darzins, Lance Encell, Dieter Klaubert, Georgyi V. Los, Mark McDougall, Keith V. Wood, Monika G. Wood, Chad Zimprich
  • Luciferase-based assays
    Patent number: 8603767
    Abstract: A method and kit are provided for enhancing the tolerance of an assay reagent to compounds in an assay sample, the assay reagent including a luciferase enzyme. The method includes contacting the luciferase with a tolerance enhancement agent in an amount sufficient to substantially protect luciferase enzyme activity from interference of the compound and minimize interference by at least about 10% relative to an assay not having tolerance enhancement agent.
    Type: Grant
    Filed: January 25, 2013
    Date of Patent: December 10, 2013
    Assignee: Promega Corporation
    Inventors: Erika Hawkins, James J. Cali, Samuel Kin Sang Ho, Martha A. O'Brien, Richard Somberg, Robert F. Bulleit, Keith V. Wood
  • POLYNUCLEOTIDES ENCODING MUTANT HYDROLASE PROTEINS WITH ENHANCED KINETICS AND FUNCTIONAL EXPRESSION
    Publication number: 20130302880
    Abstract: The invention provides a mutant hydrolase protein with enhanced kinetics and functional expression, as well as polynucleotides encoding the mutant proteins and methods of using the polynucleotides and mutant proteins.
    Type: Application
    Filed: April 16, 2013
    Publication date: November 14, 2013
    Applicant: PROMEGA CORPORATION
    Inventors: Aldis Darzins, Lance P. Encell, Rachel Friedman Ohana, Paul Otto, Gediminas Vidugiris, Keith V. Wood, Monika G. Wood, Kris Zimmerman, Michael R. Slater, Kate Qin Zhao
  • Synthetic luciferases with enhanced light output
    Patent number: 8557970
    Abstract: A polynucleotide encoding a modified luciferase polypeptide. The modified luciferase polypeptide has at least 60% amino acid sequence identity to a wild-type Oplophorus luciferase and includes at least one amino acid substitution at a position corresponding to an amino acid in a wild-type Oplophorus luciferase of SEQ ID NO:1. The modified luciferase polypeptide has at least one of enhanced luminescence, enhanced signal stability, and enhanced protein stability relative to the wild-type Oplophorus luciferase.
    Type: Grant
    Filed: May 3, 2010
    Date of Patent: October 15, 2013
    Assignee: Promega Corporation
    Inventors: Lance P. Encell, Keith V. Wood, Monika G. Wood, Mary Hall, Paul Otto, Gediminas Vidugiris, Kristopher Zimmerman
  • Vectors for directional cloning
    Publication number: 20130183760
    Abstract: The invention provides vectors and methods for directional cloning.
    Type: Application
    Filed: October 17, 2011
    Publication date: July 18, 2013
    Applicant: PROMEGA CORPORATION
    Inventors: Michael R. Slater, Keith V. Wood, James Robert Hartnett
  • Luminogenic and fluorogenic compounds and methods to detect molecules or conditions
    Patent number: 8476450
    Abstract: A method to detect the presence or amount of at least one molecule in a sample which employs a derivative of luciferin or a derivative of a fluorophore is provided. Compounds and compositions for carrying out the methods of the invention are also provided.
    Type: Grant
    Filed: July 3, 2008
    Date of Patent: July 2, 2013
    Assignee: Promega Corporation
    Inventors: James J. Cali, William Daily, Erika Hawkins, Dieter Klaubert, Jianquan Liu, Poncho Meisenheimer, Michael Scurria, John Shultz, James Unch, Michael P. Valley, Keith V. Wood, Wenhui Zhou
  • Covalent tethering of functional groups to proteins and substrates therefor
    Patent number: 8466269
    Abstract: A mutant hydrolase optionally fused to a protein of interest is provided. The mutant hydrolase is capable of forming a bond with a substrate for the corresponding nonmutant (wild-type) hydrolase which is more stable than the bond formed between the wild-type hydrolase and the substrate and has at least two amino acid substitutions relative to the wild-type hydrolase. Substrates for hydrolases comprising one or more functional groups are also provided, as well as methods of using the mutant hydrolase and the substrates of the invention. Also provided is a fusion protein capable of forming a stable bond with a substrate and cells which express the fusion protein.
    Type: Grant
    Filed: March 30, 2012
    Date of Patent: June 18, 2013
    Assignee: Promega Corporation
    Inventors: Aldis Darzins, Lance Encell, Dieter Klaubert, Georgyi V. Los, Mark McDougall, Keith V. Wood, Monika G. Wood, Chad Zimprich
  • Polynucleotides encoding mutant hydrolase proteins with enhanced kinetics and functional expression
    Patent number: 8420367
    Abstract: The invention provides a mutant hydrolase protein with enhanced kinetics and functional expression, as well as polynucleotides encoding the mutant proteins and methods of using the polynucleotides and mutant proteins.
    Type: Grant
    Filed: October 30, 2007
    Date of Patent: April 16, 2013
    Assignee: Promega Corporation
    Inventors: Aldis Darzins, Lance P. Encell, Rachel Friedman Ohana, Paul Otto, Gediminas Vidugiris, Keith V. Wood, Monika G. Wood, Kris Zimmerman, Michael R. Slater, Kate Qin Zhao
  • Vectors for directional cloning
    Patent number: 8367403
    Abstract: The invention provides vectors and methods for directional cloning.
    Type: Grant
    Filed: December 28, 2009
    Date of Patent: February 5, 2013
    Assignee: Promega Corporation
    Inventors: Michael R. Slater, Ethan Edward Strauss, Keith V. Wood, James Robert Hartnett