Patent ID: 7910692

Claim:
An isolated polypeptide comprising at most ten consecutive amino acids of the amino acid sequence set forth as MSARVRSRSRGRGDGX 1 X 2 APDVVAFVAPGESQQEEPPTDNQDIEPGQEREGTPPI EERKX 3 X 4 GDCQEMDX 5 EKTRSERGDGSDVKEX 6 X 7 PPNPKHX 8 KTKEAGDGQP (SEQ ID NO: 1), wherein X 1 is Q or Y, X 2 is E or L, X 3 is V or Y, X 4 is E or L, X 5 is V or L, X 6 is K or Y, X 7 is T or L, and X 8 is A or V and wherein the polypeptide comprises one of (a) amino acids 16 to 25 of SEQ ID NO: 1, wherein amino acid X 1 is a glutamine and amino acid X 2 is a leucine, (b) amino acid 16 to 25 of SEQ ID NO: 1, wherein amino acid X 1 is a tyrosine and amino acid X 2 is a leucine (c) amino acids 59 to 68 of SEQ ID NO: 1, wherein amino acid X 3 is a valine and amino acid X 4 is a leucine, (d) amino acids 59 to 68 of SEQ ID NO: 1, wherein amino acid X 3 is a tyrosine, amino acid X 4 is a leucine, and amino acid X 5 is a valine; or (e) amino acids 84 to 92 of SEQ ID NO: 1, wherein the amino acid X 6 is a tyrosine, amino acid (X 7 ) is a leucine and amino acid X 8 is a valine.