Patents by Inventor Richard Houghten

Richard Houghten 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: 5582997
    Abstract: Polypeptides, sets and libraries of sets of polypeptides that are related in sequence to the polypeptide of SEQ ID NO:1 are disclosed that have antimicrobial, hemolytic and hydrolytically catalytic activities, as are processes for making and using the same. A contemplated set is a mixture of equimolar amounts of a polypeptide of SEQ ID NO:2. Particularly preferred polypeptides include those of SEQ ID NOs:3-9.
    Type: Grant
    Filed: August 24, 1994
    Date of Patent: December 10, 1996
    Assignee: Torrey Pines Institute for Molecular Studies
    Inventors: Sylvie Blondelle, Richard A. Houghten, Enrique Perez-Paya
  • Patent number: 5578573
    Abstract: The present invention provides viral integrase inhibiting peptides having the general structure, ##STR1## where Xaa is an amino acid or an amino acid analog, the stereochemistry of the amino acids or amino acid analogs can be D-amino acids or L-amino acids and the amino and carboxy termini of the peptide can be modified. The invention also provides viral inhibiting peptides having essentially the amino acid sequence, ##STR2## The invention also provides a pharmaceutical composition comprising a viral integrase inhibiting peptide and methods of using a viral integrase inhibiting peptide in vitro or in vivo to reduce or inhibit viral integrase activity in a cell and the infectivity of a virus.
    Type: Grant
    Filed: January 20, 1995
    Date of Patent: November 26, 1996
    Assignee: Houghten Pharmaceuticals, Inc.
    Inventors: Richard A. Houghten, Patricia A. Weber, Ronald H. A. Plasterk, Ramon A. Puras Lutzke
  • Patent number: 5556762
    Abstract: Synthetic peptide combinatorial libraries (sets) having a single, predetermined amino acid residue at a single, predetermined oligopeptide chain position and mixtures of amino acid residues at the other chain positions are disclosed, as are their processes of synthesis and use in determining the amino acid residue sequence of an oligopeptide ligand that binds to an acceptor molecule.
    Type: Grant
    Filed: September 11, 1992
    Date of Patent: September 17, 1996
    Assignee: Houghten Pharmaceutical Inc.
    Inventors: Clemencia Pinilla, Jon R. Appel, Jr., Richard A. Houghten
  • Patent number: 5504190
    Abstract: A process for the synthesis of a complex mixture pool of solid support-coupled monomeric repeating unit compounds such as amino acid derivatives is disclosed in which the mixture pool contains an equimolar representation of reacted monomeric repeating unit compounds coupled. Also disclosed is a process for the stepwise synthesis of a complex mixture of coupled or free, unsupported oligomers such as oligopeptides. A set of self-solubilizing, unsupported mixed oligopeptides having one or more predetermined amino acid residues at one or more of the same, predetermined positions in the oligopeptide chain in which the set contains equimolar amounts of a plurality of different amino acid residues, preferably at least six different residues, at one or more of the same predetermined positions of the oligopeptide chain is also disclosed, as are methods of making and using the same.
    Type: Grant
    Filed: June 3, 1994
    Date of Patent: April 2, 1996
    Assignee: Torrey Pines Institute for Molecular Studies
    Inventors: Richard A. Houghten, Julio H. Cuervo, Clemencia Pinilla, Jon R. Appel, Jr., Silvie Blondelle
  • Patent number: 5480971
    Abstract: Linear C.sub.1 -C.sub.7 -alkyl peralkylated oligopeptide sets of molecules are specific peralkylated oligopeptides, disclosed, as are their methods of synthesis and use in acceptor binding assays. Each molecule or chain of a set contains the same number of two to about ten substituted C.sub.1 -C.sub.7 -alkyl peralkylated amino acid residues, and the member chains of a set are present in equimolar amounts. The chains of a set contain one or more predetermined peralkylated amino acid residues at one or more predetermined positions of the peralkylated oligopeptide chain. The set contains equimolar amounts of at least six different peralkylated amino acid residues at one or more of the same predetermined positions of the peralkylated oligopeptide chain. Libraries of such sets, processes for their use and solid support-linked peralkylated sets are also contemplated, as are specific permethylated oligopeptides such as those having 5-8 phenylalanine residues that have antimicrobial properties.
    Type: Grant
    Filed: June 9, 1994
    Date of Patent: January 2, 1996
    Assignee: Houghten Pharmaceuticals, Inc.
    Inventors: Richard A. Houghten, John M. Ostresh, Sylvie Blondelle
  • Patent number: 5478726
    Abstract: Recombinant 540 amino acid residue and 517 amino acid residue proteins encoded by the genome of Mycobacterium tuberculosis are disclosed as are vectors for propagating their DNA sequences and expressing the proteins. Also disclosed are methods for using those proteins. Peptides that correspond substantially to the sequences of those proteins and methods of their use are also disclosed, as are polymers containing peptide repeating units corresponding to the 540 residue protein and also polymers containing 517 protein pentapeptides as repeating units.
    Type: Grant
    Filed: December 18, 1992
    Date of Patent: December 26, 1995
    Assignee: The Scripps Research Institute
    Inventors: Thomas Shinnick, Richard Houghten
  • Patent number: 5441936
    Abstract: The present invention provides antiviral peptides having the general structure, Arg-Arg-Trp-Trp-Cys-Arg-X, where X is an amino acid or an amino acid analog, the stereochemistry of the amino acids or amino acid analogs can be (D)- or (L)-amino acids and the amino and carboxy termini of the peptide can be modified. The invention also provides a pharmaceutical composition comprising an antiviral peptide and methods of using an antiviral peptide in vitro or in vivo to reduce or inhibit a herpes simplex virus infection.
    Type: Grant
    Filed: December 7, 1993
    Date of Patent: August 15, 1995
    Assignee: Houghten Pharmaceuticals, Inc.
    Inventors: Richard A. Houghten, Patricia A. Weber
  • Patent number: 5440016
    Abstract: Peptides having Anti-microbial activity and having the formula (KFmoc)ZZZ-NH.sub.2, wherein Z is an amino acid are disclosed. Also disclosed are peptides having anti-trypsin activity and having the formula Ac-rypwz-NH.sub.2, wherein z is a D-amino acid. Also disclosed are compositions containing these peptides and methods of using them.
    Type: Grant
    Filed: June 18, 1993
    Date of Patent: August 8, 1995
    Assignee: Torrey Pines Institute for Molecular Studies
    Inventors: Sylvie E. Blondelle, Richard A. Houghten
  • Patent number: 5420109
    Abstract: The present invention provides novel cytokine restraining agents, which limit or control the biological activity of cytokines. The invention also provides pharmaceutical compositions comprising a cytokine restraining peptide and methods of administering the pharmaceutical composition to a subject. The invention further provides methods for using the novel peptides to restrain cytokine activity in a subject.
    Type: Grant
    Filed: November 12, 1993
    Date of Patent: May 30, 1995
    Assignee: Houghten Pharmaceuticals, Inc.
    Inventors: Mark J. Suto, Beverly E. Girten, Richard A. Houghten, Costas C. Loullis, Ronald R. Tuttle
  • Patent number: 5367053
    Abstract: This invention provides novel peptides having the ability to inhibit binding of the mu specific ligand .sup.3 H-[D-Ala.sup.2,MePhe.sup.4,Gly-ol.sup.5 ]enkephalin ("DAGO") to the opioid receptors in crude rat brain homogenate.
    Type: Grant
    Filed: May 19, 1993
    Date of Patent: November 22, 1994
    Assignee: Houghten Pharmaceuticals, Inc.
    Inventors: Colette T. Dooley, Richard A. Houghten
  • Patent number: 5294605
    Abstract: A process for inhibiting growth of a target cell comprising administering to a host or to a target cell or virus a biologically active peptide which includes one of the following basic structures; R.sub.1 -R.sub.1 -R.sub.2 -R.sub.1 -R.sub.1 -R.sub.2 -R.sub.2 -R.sub.1 -R.sub.1 -R.sub.2 -R.sub.2 -R.sub.1 -R.sub.2 -R.sub.2 ; R.sub.2 -R.sub.1 -R.sub.1 -R.sub.2 -R.sub.2 -R.sub.1 -R.sub.2 -R.sub.2 -R.sub.1 -R.sub.1 -R.sub.2 -R.sub.2 -R.sub.1 -R.sub.1 ; or R.sub.1 -R.sub.2 -R.sub.1 -R.sub.1 -R.sub.2 -R.sub.2 -R.sub.1 -R.sub.1 -R.sub.2 -R.sub.2 -R.sub.1 -R.sub.2 -R.sub.2 -R.sub.1 -R.sub.1 -R.sub.2 -R.sub.2 -R.sub.1, wherein R.sub.1 is a hydrophobic amino acid, and R.sub.2 is a basic hydrophilic or neutral hydrophilic amino acid. A preferred peptide is of the structural formula:(SEQ ID NO:3).Substitution and deletion analogues of this peptide can be prepared that have increased biological activity. Such peptides can be employed as pharmaceuticals.
    Type: Grant
    Filed: July 8, 1991
    Date of Patent: March 15, 1994
    Assignee: The Scripps Research Institute
    Inventors: Richard A. Houghten, Sylvie Blondelle
  • Patent number: 5238919
    Abstract: This invention provides a peptide fragment of human von Willebrand Factor (vWF) and sub-fragment thereof isolated as enzymtic digestion products from naturally occurring human vWF, or isolated from synthetic peptide mixtures or isolated from lysates of organisms capable of producing recombinant human vWF. The fragments and sub-fragments are useful in the prevention and treatment of cardiovascular disorders by virtue of their ability to inhibit the binding of vWF to platelets, heparin and/or collagen.
    Type: Grant
    Filed: May 7, 1990
    Date of Patent: August 24, 1993
    Assignee: Scipps Clinic and Research Foundation
    Inventors: Theodore S. Zimmerman, Yoshihiro Fujimura, Richard A. Houghten, Zaverio M. Ruggeri
  • Patent number: 5235038
    Abstract: A compound comprising an analogue of the melittin peptide having the following structural formula: ##STR1## wherein at least one and no more than four amino acid residues are omitted from the peptide, or at least one of amino acid residues 1-6, 8-18, or 20-26 in the peptide is substituted with a hydrophobic residue, provided that no more than two of amino acid residues 21-26 is substituted with a hydrophobic residue. Such deletion and substitution analogues are useful as antibiotics, antimicrobial agents, antifungal agents, anti-tumor agents, antiviral agents, or agents which stimulate wound healing.
    Type: Grant
    Filed: January 22, 1991
    Date of Patent: August 10, 1993
    Assignee: Torry Pines Institute for Molecular Studies
    Inventors: Sylvie E. Blondelle, Richard A. Houghten
  • Patent number: 5122448
    Abstract: Antigens, immunogens, inocula, antibodies, and particularly diagnostic methods and systems relating to Epstein-Barr virus nuclear antigen (EBNA) are disclosed. The diagnostic methods and systems utilize a synthetic, random copolymer polypeptide containing about 8 to about 40 amino acid residues that includes the overlapping five and six amino acid residue sequences--Gly--R.sup.1 --Gly--R.sup.2 --Gly-- (i)wherein R.sup.1 and R.sup.2 are amino acid residues selected from Ala, Asn, Arg, Gly, Leu, Pro, Ser, and Thr with the provision that R.sup.1 and R.sup.2 are not both Gly; and--Gly--Ala--Gly--Gly--Ala--Gly--. (ii)The polypeptide contains at least 50 mole percent Gly residues. The diagnostic method and system are particularly useful for assaying for the stage of mononucleois disease, and the presence of nasopharynegeal carcinoma.
    Type: Grant
    Filed: January 11, 1990
    Date of Patent: June 16, 1992
    Assignee: Scripps Clinic and Research Foundation
    Inventors: John H. Vaughan, Dennis A. Carson, Gary Rhodes, Richard Houghten
  • Patent number: 5116725
    Abstract: Antigens, immunogens, inocula, antibodies, and particularly diagnostic methods and systems relating to Epstein-Barr virus nuclear antigen (EBNA) are disclosed. The diagnostic methods and systems utilize a synthetic, random copolymer polypeptide containing about 8 to about 40 amino acid residues that includes the overlapping five and six amino acid residue sequences(i) --Gly--R.sup.1 --Gly--R.sup.2 --Gly--wherein R.sup.1 and R.sup.2 are amino acid residues selected from Ala, Asn, Arg, Gly, Leu, Pro, Ser, and Thr with the provision that R.sup.1 and R.sup.2 are not both Gly; and(ii) --Gly--Ala--Gly--Gly--Ala--Gly--.The polypeptide contains at least 50 mole percent Gly residues. The diagnostic method and system are particularly useful for assaying for the stage of mononucleois disease, and the presence of nasopharynegeal carcinoma.
    Type: Grant
    Filed: November 4, 1987
    Date of Patent: May 26, 1992
    Assignee: Scripps Clinic and Research Foundation
    Inventors: John H. Vaughan, Dennis A. Carson, Gary Rhodes, Richard Houghten, Richard S. Smith, John E. Geltosky
  • Patent number: 4976958
    Abstract: Recombinant 540 amino acid residue and 517 amino acid residue proteins encoded by the genome of Mycobacterium tuberculosis are disclosed as are vectors for propagating their DNA sequences and expressing the proteins. Also disclosed are methods for using those proteins. Peptides that correspond substantially to the sequences of those proteins and methods of their use are also disclosed, as are polymers containing peptide repeating units corresponding to the 540 residue protein and also polymers containing 517 protein pentapeptides as repeating units.
    Type: Grant
    Filed: February 24, 1988
    Date of Patent: December 11, 1990
    Assignee: Scripps Clinic and Research Foundation
    Inventors: Thomas Shinnick, Richard Houghten
  • Patent number: 4962277
    Abstract: A compound comprising a deletion analogue of an amide or carboxy-terminating Magainin I of the following structural formula using the single letter amino acid code: ##STR1## and wherein at least one of amino acid residues 15 through 23 is omitted; or a deletion analogue of an amide or carboxy-terminated Magainin II of the following structural formula using the single letter amino acid code: ##STR2## and wherein at least one of amino acid residues 15 through 23 is omitted. These compounds can be effectively used as pharmaceutical compositions.
    Type: Grant
    Filed: December 9, 1988
    Date of Patent: October 9, 1990
    Assignee: Scripps Clinic and Research Foundation
    Inventors: Julio H. Cuervo, Richard A. Houghten
  • Patent number: 4952395
    Abstract: Recombinant 540 amino acid residue and 517 amino acid residue proteins encoded by the genome of Mycobacterium tuberculosis are disclosed as are vectors for propagating their DNA sequences and expressing the proteins. Also disclosed are methods for using those proteins. Peptides that correspond substantially to the sequences of those proteins and methods of their use are also disclosed, as are polymers containing 517 protein pentapeptides as repeating units.
    Type: Grant
    Filed: February 26, 1987
    Date of Patent: August 28, 1990
    Assignee: Scripps Clinic and Research Foundation
    Inventors: Thomas Shinnick, Richard Houghten
  • Patent number: 4889800
    Abstract: Antigens, immunogens, inocula, antibodies, receptors, diagnostic methods and systems relating to tuberculosis mycobacteria are disclosed. Each of the compounds, compositions, methods or systems contains about 40 residues, or an antibody containing site that immunoreacts with such a polypeptide. The polypeptide includes the thirteen or fourteen amino acid reside sequence (AlaLysValAsnIleLysProLeuGluAspLysIleCys) or (CysAlaLysValAsnIleLysproLeuGluAspLysIleCys). When linked to a carrier and introduced in an effective amount into a mammalian host, the polypeptide is capable of inducing production of antibodies that immunoreact with an antigen to a tuberculous mycobacterium.
    Type: Grant
    Filed: August 21, 1987
    Date of Patent: December 26, 1989
    Assignee: Scripps Clinic and Research Foundation
    Inventors: Thomas M. Shinnick, Percy Minden, Richard A. Houghten
  • Patent number: 4886663
    Abstract: A synthetic polypeptide having at least about 10% of the immunological activity of biologic heat-stable enterotoxin of E. coli. The synthetic polypeptide includes at least 14 amino acids in the sequence, from amino-terminus to carboxy-terminus, represented by the formula: CysCysGluLeuCysCysTyr-(Asn)ProAlaCysAla(Thr)GlyCysAsn(Tyr) wherein the amino acid in parentheses may replace the immediately preceding amino acid residue, and at least one intramolecular disulfide bond formed between the Cys residues. The Cys residues that are not part of the intramolecular disulfide bond can be replaced by other amino acid residues or be bonded to substituent moieties. The polypeptides can be a monomeric or multimeric material containing an intramolecular, intrapolypeptide and/or an intramolecular, interpolypeptide cystine disulfide bond.
    Type: Grant
    Filed: December 12, 1983
    Date of Patent: December 12, 1989
    Assignee: Scripps Clinic and Research Foundation
    Inventor: Richard A. Houghten