Article (Scientific journals)
Proposition Of A 3-Dimensional Representation Of The Constitutive Protein Of The Hepatitis-B Surface-Antigen Particles
Sonveaux, N.; Ruysschaert, Jm.; Brasseur, Robert
1995In Journal of Protein Chemistry, 14 (6), p. 477-486
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Abstract :
[en] Hepatitis B surface antigen particles are composed of the major viral envelope protein, the S protein, embedded into a lipid shell. The description of the folding of this protein within the particle membrane could provide helpful information for replacing surface-exposed protein domains by foreign sequences without destabilizing the particle structure. Since the crystallization of the protein in its lipid environment remains inaccessible in the near future, alternative approaches had to be envisaged. We combine here the available experimental structural and topological data with a conformational procedure to identify membrane-associated domains of the HBsAg protein and to propose a three-dimensional description of their assembly within the particle membrane. The proposed protein structure is composed of four membrane-spanning helices and an amphipatic helix located on the inner surface membrane. The transmembrane helices are assembled into a highly hydrophobic complex in which no access to the water environment is allowed. The approach could be extended to other membrane-associated proteins.
Disciplines :
Biochemistry, biophysics & molecular biology
Author, co-author :
Sonveaux, N.
Ruysschaert, Jm.
Brasseur, Robert ;  Université de Liège - ULiège > Gembloux Agro-Bio Tech
Language :
English
Title :
Proposition Of A 3-Dimensional Representation Of The Constitutive Protein Of The Hepatitis-B Surface-Antigen Particles
Publication date :
1995
Journal title :
Journal of Protein Chemistry
ISSN :
0277-8033
Publisher :
Kluwer Academic/Plenum Publishers, New York, United States - New York
Volume :
14
Issue :
6
Pages :
477-486
477-86
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 28 June 2010

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