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Default Second-site NMR screening and linker design.

Second-site NMR screening and linker design.

Related Articles Second-site NMR screening and linker design.

Curr Top Med Chem. 2003;3(1):69-80

Authors: Jahnke W, Flörsheimer A, Blommers MJ, Paris CG, Heim J, Nalin CM, Perez LB

One of the prime merits of NMR as a tool for lead finding in drug discovery research is its sensitivity and robustness to detect weak protein-ligand interactions. This sensitivity allows to build up ligands for a given target in a modular way, by a fragment-based approach. In this approach, two ligands are seperately identified which bind to the target protein generally weakly, but at adjacent binding sites. In a next step, they are chemically linked to produce a high-affinity ligand. This review discusses methods to detect "second-site" ligands that bind to a protein in the presence of a "first-site" ligand, and methods to elucidate structural details on the spatial orientation of both ligands, so that chemical linkage is based on a large piece of experimental information. Published examples from second-site screening and linker design are summarized, and are complemented by previously unpublished in-house examples.

PMID: 12570778 [PubMed - indexed for MEDLINE]



Source: PubMed
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