Structural analysis of human respiratory syncytial virus P protein: identification of intrinsically disordered domains
Braz. j. microbiol
; Braz. j. microbiol;42(1): 340-345, Jan.-Mar. 2011. ilus
Article
em En
| LILACS
| ID: lil-571408
Biblioteca responsável:
BR32.1
ABSTRACT
Human Respiratory Syncytial Virus P protein plus the viral RNA, N and L viral proteins, constitute the viral replication complex. In this report we describe that HRSV P protein has putative intrinsically disordered domains predicted by in silico methods. These two domains, located at the amino and caboxi terminus, were identified by mass spectrometry analysis of peptides obtained from degradation fragments observed in purified P protein expressed in bacteria. The degradation is not occurring at the central oligomerization domain, since we also demonstrate that the purified fragments are able to oligomerize, similarly to the protein expressed in cells infected by HRSV. Disordered domains can play a role in protein interaction, and the present data contribute to the comprehension of HRSV P protein interactions in the viral replication complex.
Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
LILACS
Assunto principal:
Fragmentos de Peptídeos
/
Espectrometria de Massas
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Replicação Viral
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Técnicas In Vitro
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RNA Viral
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Cromatografia Líquida
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Vírus Sincicial Respiratório Humano
Tipo de estudo:
Diagnostic_studies
Limite:
Humans
Idioma:
En
Revista:
Braz. j. microbiol
Assunto da revista:
MICROBIOLOGIA
Ano de publicação:
2011
Tipo de documento:
Article
/
Project document
País de afiliação:
Brasil
/
Estados Unidos
País de publicação:
Brasil