Method for discovery of peptide agonists

Chemistry: molecular biology and microbiology – Measuring or testing process involving enzymes or... – Involving antigen-antibody binding – specific binding protein...

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

435 71, 435 4, 436519, 436518, G01N 3353, G01N 33543

Patent

active

059255293

ABSTRACT:
This invention relates to peptide ligand discovery and is particularly directed to a method for the discovery of agonists for membrane bound receptors. The inventive detection system involves the use of a "tethered" ligand for probing receptor binding. The general detection system includes a membrane, a membrane bound receptor, and a chimeric ligand presenting molecule. This chimeric protein forms the tethered ligand and in turn includes a membrane domain, a linker domain, a ligand domain, and a cleavable terminal domain. The "ligands" of the system are exposed by the addition of a specific peptidase that cleaves at the designated sequence. The sequence of the ligand that produces signal as a result of the interaction between the agonist and receptor can be then be isolated using sib selection.

REFERENCES:
patent: 5223409 (1993-06-01), Ladner et al.
Matthews et al, Biochemistry, vol. 33, pp. 3266-3279, (1994).
Barnard et al., G Protein-Coupled Receptors for ATP and Other Nucleotides: A New Receptor Family, TiPS, 15:67-70 (1994).
Chen et al., Thrombin Receptor Activation, Journal of Biological Chemistry, 269(23):16041-16045 (1994).
Cwirla et al., Peptides on Phage: A Vast Library of Peptides for Identifying Ligands, Proc. Natl. Acad. Sci., 87:6378-6382 (1990).
Inglese et al., Structure and Mechanism of the G Protein-Coupled Receptor Kinases; Journal of Biological Chemistry, 268(32):2735-2738 (1993).
Lam et al., A New Type of Synthetic Peptide Library for Identifying Ligand-Binding Activity, Nature, 354:82-86 (1991).
Larhammar et al., The Receptor Revolution-Multiplicity of G-Protein-Coupled Receptors, Drug Design and Discovery, 9:179-188 (1993).
Lefkowitz, G Protein-Coupled Receptor Kinases, Cell, 74:409-412 (1993).
Thien-Khai et al., Molecular Cloning of a Functional Thrombin Receptor Reveals a Novel Proteolytic Mechanism of Receptor Activation; Cell, 64:1057-1068 (1991).
Scarborough et al., Tethered Ligand Agonist Peptides, The Journal of Biological Chemistry. 267:19:13146-13149, Jul. 05, 1992.
Scott et al., Searching for Peptide Ligands with an Epitope Library, Science 249:386-390, Jul. 27, 1990.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Method for discovery of peptide agonists does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method for discovery of peptide agonists, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for discovery of peptide agonists will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1321357

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.