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Title: US6040293: Clavanins
[ Derwent Title ]


Country: US United States of America

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51 pages

 
Inventor: Lehrer, Robert I.; Santa Monica, CA
Zhao, Chengquan; Los Angeles, CA
Lee, In-Hee; Seoul, Republic of Korea

Assignee: The Regents of the University of California, Los Angeles, CA
other patents from UNIVERSITY OF CALIFORNIA, THE REGENTS OF (599425) (approx. 4,840)
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Published / Filed: 2000-03-21 / 1997-02-28

Application Number: US1997000810324

IPC Code: Advanced: C07K 14/435; C12N 1/21; C12N 15/12; A61K 38/00;
Core: more...
IPC-7: A61K 37/02; C07K 14/00;

ECLA Code: C07K14/435A;

U.S. Class: Current: 514/013; 530/326;
Original: 514/013; 530/326;

Field of Search: 514/013,21 530/326,323,332

Government Interest:

ACKNOWLEDGMENT OF GOVERNMENT SUPPORT
    This invention was made at least in part with funding from NIH grant numbers 1-PO1-AI-37945-01 and 5R37-AI-22839-10. The U.S. Government has certain rights in this invention.

Priority Number:
1997-02-28  US1997000810324
1996-11-06  US1996000746160

Abstract: Novel microbial peptides called clavanins are of the formula
    [X'1 X2 B'3 X4 X5 ]U6 B7 X8 X9 B10 B11 X12 U13 Z14 X15 X16 B*17 U18 X19 U20 B21 X22 X23 ( 1)(SEQ ID NO:1)
including the salts, esters, amides and acylated forms thereof
  • wherein X is a hydrophobic amino acid residue or modified form thereof;
  • X' is a small or a hydrophobic amino acid residue or a modified form thereof;
  • B is a basic amino acid residue or modified form thereof;
  • B' is basic or a polar/large amino acid residue or modified form thereof; and
  • B* is a basic or a hydrophobic amino acid residue or a modified form thereof;
  • U is a small amino acid residue or modified form thereof;
  • Z is a polar/large amino acid residue or modified form thereof, and wherein 1-5 amino acids is deleted from the N-terminus.


Attorney, Agent or Firm: Morrison & Foerster LLP ;

Primary / Asst. Examiners: Carlson, Karen Cochrane;

Maintenance Status: E1 Expired  Check current status

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Related Applications:
Application Number Filed Patent Pub. Date  Title
US1996000746160 1996-11-06       


       
Parent Case:     This is a continuation-in-part of U.S. Ser. No. 08/746,160, filed Nov. 6, 1996 from which priority is claimed, and the contents of which are incorporated herein by reference.

Designated Country: CA EP JP 

Family: Show 4 known family members

First Claim:
Show all 16 claims
We claim:     1. A compound in isolated form of the formula
    X'1 X2 B'3 X4 X5 U6 B7 X8 X9 B10 B11 X12 U13 Z14 X15 X16 B*17 U18 X19 U20 B21 X22 X23 ( 1) (SEQ ID NO:1)
including the salts, esters, amides, and acylated forms thereof,
  • said compound having antimicrobial activity and an α-helical conformation,
  • wherein X is a hydrophobic amino acid residue selected from the group consisting of Tyr, Val, Ile, Leu, Met, Phe, and Trp;
  • X' is a small or a hydrophobic amino acid residue selected from the group consisting of Gly, Ser, Ala, Thr, Tyr, Val, Ile, Leu, Met, Phe, and Trp;
  • B is a basic amino acid residue selected from the group consisting of Arg, Lys, and His;
  • B' is a basic or a polar/large amino acid residue selected from the a group consisting of Arg, Lys, His, Asn, and Gln;
  • B* is a basic or a hydrophobic amino acid residue selected from the group consisting of Arg, Lys, His, Tyr, Val, Ile, Leu, Met, Phe, and Trp;
  • U is a small amino acid residue selected from the group consisting of Gly, Ser, Ala, and Thr;
  • Z is a polar/large amino acid residue selected from the group consisting of Asn and Gln; and
  • wherein one or more X'1 X2 B'3 X4 X5 may be truncated.


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U.S. References: Go to Result Set: No U.S. references   |  No patents reference this one   |   Backward references (0)

       
Foreign References:
Buy
PDF
Publication Date IPC Code Assignee   Title
Buy PDF- 6pp EP0403458 1990-12  A61K 38/00 KabiGen AB Novel polypeptides and their use 
Buy PDF- 84pp EP0472987 1992-03  A01N 63/02 ENICHEM PARTECIPAZIONI S.p.A. Antimicrobial peptides active against plant pathogens, their use and screening methods pertaining thereto 
Buy PDF- 123pp WO9311783 1993-06  A61K 37/02 MAGAININ PHARMACEUTICALS INC. COMPOSITION AND TREATMENT WITH BIOLOGICALLY ACTIVE PEPTIDES AND CHELATING AGENTS 


Other Abstract Info: CHEMABS 128(26)319289Q CHEMABS 132(18)233330S CHEMABS 132(18)233330S DERABS C1998-286858

Other References:
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  • Diamond, G. et al., "Tracheal antimicrobial peptide, a cysteine-rich peptide from mammalian tracheal mucosa: Peptide isolation and cloning of a cDNA," Proc Natl Acad Sci USA 88:3952 (1991). (5 pages) Cited by 26 patents [ISI abstract]
  • Duclohier, H. et al., "Antimicrobial peptide magainin I from Xenopus skin forms anion-permeable channels in planar lipid bilayers," Biophys J 56:1017 (1989). (5 pages) Cited by 5 patents
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  • Zasloff, M. et al., "Antimicrobial activity of synthetic magainin peptides and several analogues," Proc Natl Acad Sci USA 85:910 (1988). (4 pages) Cited by 17 patents
  • Zasloff, M., "Magainins, a class of antimicrobial peptides from Xenopus skin: Isolation, characterization of two active forms, and partial cDNA sequence of a precursor," Proc Natl Acad Sci USA 84:5449 (1987). (5 pages) Cited by 38 patents


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