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Title: |
US6040293:
Clavanins
[ Derwent Title ]

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Country: |
US United States of America

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

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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

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Application Number: |
US1997000810324

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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;

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ECLA Code: |
C07K14/435A;

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

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

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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.

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Priority Number: |

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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.

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Attorney, Agent or Firm: |
Morrison & Foerster LLP ;

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Primary / Asst. Examiners: |
Carlson, Karen Cochrane;

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Maintenance Status: |
E1 Expired Check current status

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INPADOC Legal Status: |
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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.

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Designated Country: |
CA EP JP

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Family: |
Show 4 known family members

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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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Drawing Descriptions: |
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