Patent ID: 7812137

Claim:
A derivative of the leptin receptor (OB-R) polypeptide attached to a chemical moiety said derivative comprising: a linear polypeptide of a soluble leptin receptor selected form the group consisting of: an N-terminal sequence of OB-R from amino acid residues 1-796 wherein said OB-R is SEQ ID NO:93 and a C-terminal sequence which is selected from the group consisting of SEQ ID NO:15 and SEQ ID NO:120; an N-terminal sequence of OB-R from amino acid residues 23-796 wherein said OB-R is SEQ ID NO:93 and a C-terminal sequence which is selected from the group consisting of SEQ ID NO:15 and SEQ ID NO:120; an N-terminal sequence of OB-R from amino acid residues 28-796 wherein said OB-R is SEQ ID NO:93 and a C-terminal sequence which is selected from the group consisting of SEQ ID NO:15 and SEQ ID NO:120; and an N-terminal sequence of OB-R from amino acid residues 133-796 wherein said OB-R is SEQ ID NO:93 and a C-terminal sequence which is selected from the group consisting of SEQ ID NO:15 and SEQ ID NO:120.