Patents by Inventor Zhen-Gang Wang

Zhen-Gang Wang 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).

  • Publication number: 20050003389
    Abstract: The invention relates to improved methods for directed evolution of polymers, including directed evolution of nucleic acids and proteins. Specifically, the methods of the invention include analytical methods for identifying “structurally tolerant” residues of a polymer. Mutations of these, structurally tolerant residues are less likely to adversely affect desirable properties of a polymer sequence. The invention further provides improved methods for directed evolution wherein the structurally tolerant residues of a polymer are selectively mutated. Computer systems for implementing analytical methods of the invention are also provided.
    Type: Application
    Filed: February 25, 2004
    Publication date: January 6, 2005
    Inventors: Zhen-Gang Wang, Christopher Voigt, Stephen Mayo, Frances Arnold
  • Publication number: 20030032059
    Abstract: The invention relates to improved methods for directed evolution of polymers, including directed evolution of nucleic acids and proteins. Specifically, the methods of the invention include analytical methods for identifying “crossover locations” in a polymer. Crossovers at these locations are less likely to disrupt desirable properties of the protein, such as stability or functionality. The invention further provides improved methods for directed evolution wherein the polymer is selectively recombined at the identified “crossover locations”. Crossover disruption profiles can be used to identify preferred crossover locations. Structural domains of a biopolymer can also be identified and analyzed, and domains can be organized into schema. Schema disruption profiles can be calculated, for example based on conformational energy or interatomic distances, and these can be used to identify preferred or candidate crossover locations.
    Type: Application
    Filed: October 26, 2001
    Publication date: February 13, 2003
    Inventors: Zhen-Gang Wang, Christopher A. Voigt, Stephen L. Mayo, Frances H. Arnold
  • Publication number: 20020045175
    Abstract: The invention relates to improved methods for directed evolution of polymers, including directed evolution of nucleic acids and proteins. Specifically, the methods of the invention include analytical methods for identifying “crossover locations” in a polymer. Crossovers at these locations are less likely to disrupt desirable properties of the protein, such as stability or functionality. The invention further provides improved methods for directed evolution wherein the polymer is selectively recombined at the identified “crossover locations”. Crossover disruption profiles can be used to identify preferred crossover locations. Structural domains of a biopolymer can also be identified and analyzed, and domains can be organized into schema. Schema disruption profiles can be calculated, for example based on conformational energy or interatomic distances, and these can be used to identify preferred or candidate crossover locations.
    Type: Application
    Filed: May 23, 2001
    Publication date: April 18, 2002
    Inventors: Zhen-Gang Wang, Christopher A. Voigt, Stephen L. Mayo, Frances H. Arnold
  • Publication number: 20010051855
    Abstract: The invention relates to improved methods for directed evolution of polymers, including directed evolution of nucleic acids and proteins. Specifically, the methods of the invention include analytical methods for identifying “structurally tolerant” residues of a polymer. Mutations of these, structurally tolerant residues are less likely to adversely affect desirable properties of a polymer sequence. The invention further provides improved methods for directed evolution wherein the structurally tolerant residues of a polymer are selectively mutated. Computer systems for implementing analytical methods of the invention are also provided.
    Type: Application
    Filed: February 16, 2001
    Publication date: December 13, 2001
    Applicant: California Institute of Technology
    Inventors: Zhen-Gang Wang, Christopher A. Voigt, Stephen L. Mayo, Frances H. Arnold