Lipohexin, a new inhibitor of prolyl endopeptidase from Moeszia lindtneri (HKI-0054) and Paecilomyces sp. (HKI-0055; HKI-0096). II. Inhibitory activities and specificity

The new proline-containing lipohexapeptide lipohexin (I) isolated from three fungal strains, Moeszia lindtneri (HKI-0054) and Paecilomyces sp. (HKI-0055 and HKI-0096) is a competitive inhibitor of prolyl endopeptidase (PEP) from human placenta with IC50 of 3.5 microM. Specificity of lipohexin (I) is...

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Veröffentlicht in:Journal of antibiotics 1997-05, Vol.50 (5), p.384-389
Hauptverfasser: CHRISTNER, C, ZERLIN, M, GRÄFE, U, HEINZE, S, KÜLLERT, G, FISCHER, G
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container_end_page 389
container_issue 5
container_start_page 384
container_title Journal of antibiotics
container_volume 50
creator CHRISTNER, C
ZERLIN, M
GRÄFE, U
HEINZE, S
KÜLLERT, G
FISCHER, G
description The new proline-containing lipohexapeptide lipohexin (I) isolated from three fungal strains, Moeszia lindtneri (HKI-0054) and Paecilomyces sp. (HKI-0055 and HKI-0096) is a competitive inhibitor of prolyl endopeptidase (PEP) from human placenta with IC50 of 3.5 microM. Specificity of lipohexin (I) is indicated by the much weaker inhibitory activity against bacterial prolyl endopeptidase from Flavobacterium meningosepticum (IC50 25 microM). No effect of lipohexin (I) was found on the activity of mechanistically related proteases such as proline specific proteases and other serine proteases.
doi_str_mv 10.7164/antibiotics.50.384
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subjects Animals
Anti-Bacterial Agents - pharmacology
Antibacterial agents
Antibiotics (antibacterial agents, antifungal agents)
Antibiotics, microbial producers, chemotherapic agents, antiseptics, disinfecting agents
Antibiotics. Antiinfectious agents. Antiparasitic agents
Applied microbiology
Biological and medical sciences
Cattle
Flavobacterium - enzymology
Fundamental and applied biological sciences. Psychology
Humans
Lipoproteins - pharmacology
Medical sciences
Microbiology
Mitosporic Fungi
Paecilomyces
Peptides
Pharmacology. Drug treatments
Serine Endopeptidases - metabolism
Substrate Specificity
Swine
title Lipohexin, a new inhibitor of prolyl endopeptidase from Moeszia lindtneri (HKI-0054) and Paecilomyces sp. (HKI-0055; HKI-0096). II. Inhibitory activities and specificity
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