Patent ID: 7109299

Claim:
A compound comprising a sequence of amino acids selected from the groups consisting of TGGGDGYVX 3 VE X 4 ARCPTCK (residues 32–50 of SEQ ID NO: 1); EGYVX 3 VE X 4 ARCPTCK (residues 36–50 of SEQ ID NO: 2); EGYVX 3 VE X 4 ARCPTCR (residues 36–50 of SEQ ID NO: 3); GYVX 3 VE X 4 ARCPTCG (residues 36–50 of SEQ ID NO: 4); EGYVX 3 VE X 4 ARCPTCG (residues 36–50 of SEQ ID NO: 5); GYVX 3 VE X 4 ARCPTCR (residues 37–50 of SEQ ID NO: 6); and EGYVX 3 VE X 4 AACPTCR (residues 36–50 of SEQ ID NO: 7) wherein X 3 is Cys, Lys, or Dpr, and X 4 is Nal, Trp, or Phe.