Nematode-extracted serine protease inhibitors and anticoagulant proteins
Proteins which have activity as anticoagulants and/or serine protease inhibitors and have at least one NAP domain and are described. Certain of these proteins have factor Xa inhibitory activity and others have activity as inhibitors of factor VIIa/TF. These proteins can be isolated from natural sources as nematodes, chemically synthesized or made by recombinant methods using various DNA expression systems.
1 - 269 . (canceled)
270 . A method for treating abnormal thrombosis, the method comprising administering a protein having anticoagulant activity and having one or more Nematode Anticoagulant Protein (NAP) domains, wherein each NAP domain includes the sequence: Cys-A1-Cys-A2-Cys-A3-Cys-A4-Cys-A5-Cys-A6-Cys-A7-Cys-A8-Cys-A9-Cys-A10 (FORMULA III), wherein
(a) A1 is an amino acid sequence of 7 to 8 amino acid residues;
(b) A2 is an amino acid sequence;
(c) A3 is an amino acid sequence of 3 amino acid residues and has the sequence Asp-A3 a -A3 b wherein A3 a and A3 b are independently selected amino acid residues;
(d) A4 is an amino acid sequence having a net anionic charge;
(e) A5 is an amino acid sequence of 4 amino acid residues and has the sequence A5 a -A5 b -A5 c -A5 d (SEQ ID NO: 85), wherein A5 a through A5 d are independently selected amino acid residues;
(f) A6 is an amino acid sequence;
(g) A7 is an amino acid residue selected from the group consisting of Val and Ile;
(h) A8 is an amino acid sequence of 11 to 12 amino acid residues;
(i) A9 is amino acid sequence of 5 to 7 amino acid residues;
(j) A10 is an amino acid sequence; and
each of A2, A4, A6 and A10 has an independently selected number of independently selected amino acid residues and each sequence is selected such that each NAP domain has in total less than 120 amino acid residues.
271 . A method for treating abnormal thrombosis, the method comprising administering a protein having anticoagulant activity and having one or more Nematode Anticoagulant Protein (NAP) domains, wherein each NAP domain includes the sequence: Cys-A1-Cys-A2-Cys-A3-Cys-A4-Cys-A5-Cys-A6-Cys-A7-Cys-A8-Cys-A9-Cys-A10 (FORMULA III), wherein
(a) A1 is an amino acid sequence of 7 to 8 amino acid residues;
(b) A2 is an amino acid sequence;
(c) A3 is an amino acid sequence of 3 amino acid residues and has the sequence Asp-Lys-Lys;
(d) A4 is an amino acid sequence having a net anionic charge;
(e) A5 is an amino acid sequence of 4 amino acid residues and has the sequence A5 a -A5 b -A5 c -A5 d (SEQ ID NO: 85), wherein A5 a is Leu, A5 c is Arg, and A5 b and A5 d are independently selected amino acid residues (SEQ ID NO: 357);
(f) A6 is an amino acid sequence;
(g) A7 is Val;
(h) A8 is an amino acid sequence of 11 to 12 amino acid residues and include the amino acid sequence A8 a -A8 b -Gly-Phe-Tyr-Arg-Asn (SEQ ID NO: 79), wherein at least one of A8 a and A8 b is Glu or Asp;
(i) A9 is an amino acid sequence of 5 to 7 amino acid residues;
(j) A10 is an amino acid sequence; and
each of A2, A4, A6 and A10 has an independently selected number of independently selected amino acid residues and each sequence is selected such that each NAP domain has in total less than 120 amino acid residues.
272 . The method of claim 270 or 271 wherein the abnormal thrombosis occurs in the arterial vasculature.
273 . The method of claim 270 or 271 wherein the abnormal thrombosis occurs in the venous vasculature.
274 . The method of claim 270 or 271 wherein the abnormal thrombosis is caused by rupture of an atherosclerotic plaque.
275 . The method of claim 270 or 271 wherein the abnormal thrombosis is occlusive coronary thrombus.
276 . The method of claim 270 or 271 wherein the occlusive coronary thrombosis is caused by thrombolytic therapy.
277 . The method of claim 270 or 271 wherein the occlusive coronary thrombosis is caused by percutaneous transluminal coronary angioplasty.
278 . The method of claim 270 or 271 wherein the abnormal thrombosis is disseminated intravascular thombosis.
279 . A pharmaceutical composition comprising:
(a) a polypeptide having the amino acid sequence:
LysAlaThrMetGlnCysGlyGluAsnGluLysTyrAspSerCysGly
SerLysGluCysAspLysLysCysLysTyrAspGlyValGluGluGlu
AspAspGluGluProAsnValProCysLeuValArgValCysHisGln
AspCysValCysGluGluGlyPheTyrArgAsnLysAspAspLysCys
ValSerAlaGluAspCysGluLeuAspAsnMetAspPheIleTyrPro
GlyThrArgAsnPro (rNAPc2/Pro);
and
(b) a pharmaceutically acceptable carrier.
280 . A method for producing a polypeptide comprising the amino acid sequence of rNAPc2/pro the method comprising
(a) providing a cell encoding a polypeptide comprising the amino acid sequence of rNAPc2/pro;
(b) culturing the cell under conditions suitable for the production of the polypeptide comprising the amino acid sequence of rNAPc2/pro; and
(c) purifying the polypeptide comprising the amino acid sequence of rNAPc2/pro from the cell culture supernatant.