Identification of RNA-binding regions on the P and V proteins of human parainfluenza virus type 2.

Abstract:

:We have shown that the P and V proteins of human parainfluenza virus type 2 (hPIV-2) bind to genomic RNA by using Northwestern blot analysis. To identify the RNA-binding regions on the P and V proteins, we used a set of deletion mutants produced in Escherichia coli. One region required for the RNA-binding was found in the P-V common domain (aa 1-82). Others were found in the P protein-specific region (aa 249-354) and the V protein-specific region (aa 176-225). In addition, we have shown that substitutions of some basic residues with alanines in these regions abrogate RNA-binding by the P or V proteins. Intriguingly, the P and V proteins of hPIV2 can selectively bind to the viral RNA under our experimental conditions.

journal_name

Med Microbiol Immunol

authors

Nishio M,Tsurudome M,Ito M,Ito Y

doi

10.1007/s00430-005-0244-7

keywords:

subject

Has Abstract

pub_date

2006-03-01 00:00:00

pages

29-36

issue

1

eissn

0300-8584

issn

1432-1831

journal_volume

195

pub_type

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