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Bioorg Med Chem Lett. 2004 Feb 23;14(4):965-6.

Lysyl 4-aminobenzoic acid derivatives as potent small molecule mimetics of plasminogen kringle 5.

Author information

1
Abbott Laboratories, Global Pharmaceutical Research and Development, 100 Abbott Park Road, Abbott Park, IL 60064, USA. george.sheppard@abbott.com

Abstract

Kringle 5, a proteolytic fragment of human plasminogen has been shown to potently inhibit angiogenesis. The tetrapeptide KLYD derived from kringle 5 has been shown to capture many activities of kringle 5 in vitro. Further simplification has been achieved by replacement of the two central amino acids with a 4-aminobenzoic acid spacer group. Molecules displaying the required recognition groups on this core show similar in vitro properties to kringle 5, and are able to displace radiolabeled protein from a high affinity binding site on endothelial cells.

PMID:
15013002
DOI:
10.1016/j.bmcl.2003.12.034
[Indexed for MEDLINE]

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