Virus replication inhibitory peptide inhibits the conversion of phospholipid bilayers to the hexagonal phase.

Abstract:

:Virus replication inhibitory peptide (carbobenzoxy-D-Phe-L-PheGly) was shown to be a potent specific inhibitor of the replication of paramyxovirus and myxovirus (Richardson, Scheid and Choppin (1980), Virology 105, 205-222). This peptide inhibits the membrane fusing activity of a viral glycoprotein. Many agents which promote the formation of the hexagonal phase in membranes also accelerate membrane fusion. At a mole fraction of 0.1, viral replication inhibitory peptide can raise the bilayer to hexagonal phase transition temperature of dielaidoylphosphatidylethanolamine by almost 10 degrees. Two related peptides, carbobenzoxy-L-PheGly and carbobenzoxy-L-GlyPhe, are less potent in raising the bilayer to hexagonal phase transition temperature, with the latter peptide being the least effective of the three. This order of potency is the same as the order of potency in inhibiting viral replication. Substances which inhibit hexagonal phase formation of pure lipids may also inhibit membrane fusion.

journal_name

Biosci Rep

journal_title

Bioscience reports

authors

Epand RM

doi

10.1007/BF01114759

subject

Has Abstract

pub_date

1986-07-01 00:00:00

pages

647-53

issue

7

eissn

0144-8463

issn

1573-4935

journal_volume

6

pub_type

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