Patent ID: 6509315
Filing Date: 2003-01-21
Classification: A61K,C07K

Abstract:
The composition of claim 1, wherein R1 is selected from the group consisting ofâ€”H, â€”(tert-butyloxycarbonyl), â€”leucine, â€”(N-methyl)leucine, â€”(N-methyl)leucine-(S)proline, â€”(N-methyl)leucine-(S)proline-(S)lactate, â€”(N-methyl)leucine-(S)proline-pyruvate, â€”(N-methyl)leucine-(S)proline-(S)lactate-(a first fluorophore), â€”(N-methyl)leucine-(S)proline-(S)lactate-glutamine-pyroglutamate, â€”(N-methyl)leucine-(S)proline-(S)lactate-glutamine-cyclopentanoate, â€”(N-methyl)leucine-(S)proline-alanine-leucine-pyroglutamate, and â€”(N-methyl)leucine-(S)proline-N-methyl-alanine)-leucine-pyroglutamate.