Claims
- 1. A ribonuclease molecule comprising: (a) an amino terminal end beginning with a methionine which is followed by any amino acid other than glutamic acid; (b) when aligned for maximum correspondence with SEQ ID NO:13, a cysteine at amino acid positions 26, 40, 58, 84, 95 and 110; a lysine at position 41 and a histidine at position 119, and (c) an nOnc-derived amino acid sequence; wherein said ribonuclease molecule has measurable ribonuclease activity.
- 2. The ribonuclease of claim 1 which has an amino terminal end selected from the group consisting of: Met-Lys; Met-Tyr; Met-Ser; Met-Ala; Met-Arg; and Met-Asn.
- 3. The ribonuclease of claim 1, which has an amino terminal end selected from the group consisting of:
- Met-Ala;
- Met-Ala-Ala;
- Met-Ala-Ala-Ser;
- Met-Arg;
- Met-(J);
- Met-Lys-(J);
- Met-Arg-(J);
- Met-Lys;
- Met-Lys-Pro;
- Met-Lys-(J)-Pro (SEQ ID NO:14);
- Met-Lys-Pro-(J) (SEQ ID NO:15);
- Met-Asn;
- Met-Gln;
- Met-Asn-(J);
- Met-Gln-(J);
- Met-Asn-(J)-Pro (SEQ ID NO:16);
- Met-(J)-Lys;
- Met-(J)-Lys-Pro (SEQ ID NO:17); and
- Met-(J)-Pro-Lys (SEQ ID NO:18);
- where (J) is Ser, Tyr or Thr.
- 4. The ribonuclease of claim 1, which has an amino terminal end of Met-Ala.
- 5. The ribonuclease of claim 1, which has an amino terminal end of Met-Arg.
- 6. The ribonuclease of claim 1, which has an amino terminal end of Met-Lys.
- 7. The ribonuclease of claim 1, which has an amino terminal end of Met-Asn.
- 8. The ribonuclease of claim 1, which has an amino terminal end of Met-Gln.
- 9. The ribonuclease of claim 1, which has an amino terminal end selected from the group consisting of Met-Ser; Met-Tyr or Met-Thr.
- 10. The ribonuclease of claim 3, wherein aspartic acid of amino acid position 2 of the amino acid sequence of (c) or position 4 with reference to the sequence of bovine RNase is deleted or replaced by Ala or Asn.
- 11. The ribonuclease of claim 1 wherein the amino acid sequence comprises a sequence having the formula:
- Met(-1) eosinophil derived neurotoxin.sub.(1-m) Onc.sub.(n-104)
- wherein Met(-1) refers to an amino terminal residue of Met; wherein eosinophil derived neurotoxin.sub.(1-m) refers to a contiguous sequence of amino acids of a length beginning at amino acid position 1 of eosinophil derived neurotoxin (SEQ ID NO:9) and continuing to and including amino acid position "m" of eosinophil derived neurotoxin; wherein Onc.sub.(n-104) refers to a sequence of contiguous amino acids beginning at no acid position "n" and continuing to and including amino acid position 104 as set out in SEQ ID NO:1; and wherein "m" is the amino acid position of eosinophil derived neurotoxin selected from the group consisting of 5, 13, 14, 15, 16, 17, 18, 19, 20, 21 and 22; such that:
- when m is 21, n is 16 or 17;
- when m is 22, n is 17;
- when m is 20, n is 16;
- when m is 19, n is 15;
- when m is 18, n is 14;
- when m is 17, n is 12 or 13;
- when m is 16, n is 11, 12, 13 or 14;
- when m is 15, n is 10;
- when m is 14,n is9;
- when m is 13, n is 8; and
- when m is 5, n is 1.
- 12. The ribonuclease of claim 1, comprising an amino acid sequence substantially identical to that of SEQ ID NO:28.
- 13. The ribonuclease of claim 1, comprising an amino acid sequence substantially identical to that of SEQ ID NO:22.
- 14. The ribonuclease of claim 1, comprising an amino acid sequence substantially identical to that of SEQ ID NO:24.
- 15. The ribonuclease of claim 1, comprising an amino acid sequence substantially identical to that of SEQ ID NO:26.
- 16. The ribonuclease of claim 1, comprising an amino acid sequence substantially identical to that of SEQ ID NO:30.
- 17. The ribonuclease of claim 1, comprising an amino acid sequence substantially identical to that of SEQ ID NO:32.
- 18. The ribonuclease of claim 1, which includes an amino acid sequence substantially identical to that of SEQ ID NO:2.
- 19. The ribonuclease of claim 1, comprising a carboxyl terminal end derived from angiogenin corresponding to the amino acid sequence of positions 101 to 107 of SEQ ID NO:20.
- 20. The ribonuclease of claim 19, comprising an amino acid sequence substantially identical to that of SEQ ID NO:20.
- 21. An isolated amino acid sequence substantially identical to that set out in SEQ ID NO:2.
- 22. A fusion protein comprising the ribonuclease of claim 1 joined to a ligand binding moiety or label.
- 23. The fusion protein of claim 22, further comprising an antibody.
- 24. An isolated nucleic acid sequence encoding the amino acid sequence of claim 1.
- 25. A pharmaceutical composition comprising a cytotoxic amount of a ribonuclease of claim 1 and a pharmaceutically acceptable carrier.
- 26. The pharmaceutical composition of claim 25 wherein the ribonuclease is joined to a ligand binding moiety.
- 27. A method of selectively killing cells comprising contacting cells to be killed with a ribonuclease of claim 1 joined to a ligand binding moiety.
- 28. The ribonuclease molecule of claim 1 which further has a nuclear localization signal.
- 29. The ribonuclease molecule of claim 1 which further has an endoplasmic retention sequence.
- 30. A vector comprising a nucleic acid encoding a ribonuclease of claim 1.
- 31. A host cell comprising a nucleic acid encoding a ribonuclease of claim 1.
Parent Case Info
This is a National Stage Application of PCT/US97/02588, filed Feb. 19, 1997 and a continuation of Provisional Application No. 06/011,800 filed Feb. 21, 1996.
PCT Information
Filing Document |
Filing Date |
Country |
Kind |
102e Date |
371c Date |
PCT/US97/02588 |
2/19/1997 |
|
|
2/19/1998 |
2/19/1998 |
Publishing Document |
Publishing Date |
Country |
Kind |
WO97/31116 |
8/28/1997 |
|
|
Non-Patent Literature Citations (2)
Entry |
Ardelt et al., J. Biol. Chem., 266(1): 245-251, Jan. 5, 1991. |
Newton et al. J. Biol. Chem., 269(43): 26739-26745, Oct. 28, 1994. |
Continuations (1)
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Number |
Date |
Country |
Parent |
011800 |
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