Study of bovine B-casein at water/lipid interface by molecular modeling (2001)
- Authors:
- Autor USP: AREAS, JOSE ALFREDO GOMES - FSP
- Unidade: FSP
- DOI: 10.1016/s0166-1280(00)00798-3
- Subjects: PROTEÍNAS; LIPÍDEOS
- Language: Inglês
- Abstract: Structural properties of B-casein were studied by techniques that permit modeling of the dynamics of proteins in solvents and in water/lipid interfacial regions. In this work, aqueous and lipid media were treated as continua, characterized by their dielectric constants, and a discontinuity plane surface, separating both media, resulted in a frictionless interface model. A proposed distended three-dimensional structure for B-casein was adopted which, after optimization and termalization, evolved to a more folded one in the water milieu. This compacted structure was able to keep the spatial separation between charged phosphoserine residues and hydrophobic amino acids. The simulation results with an interface reproduced the experimentally observed amphiphilic behavior of B-casein. The protein, that at the beginning of the simulation was at rest in the aqueous medium, displaced itself towards the lipid medium, remaining at the separation interface after as long as 1 ns. The conformational analysis of B-casein during the dynamics indicated that the protein evolved to more stable and structured conformations in the aqueous medium, further increasing this structure and stability when inside the lipid phase at the interface. The structure observed was able to explain several experimental data of B-casein adsorbed at lipid interfaces
- Imprenta:
- Source:
- Título: Journal of Molecular Structure (Theochem)
- Volume/Número/Paginação/Ano: n. 534, p. 279-288, 2001
- Este periódico é de acesso aberto
- Este artigo NÃO é de acesso aberto
-
ABNT
CASSIANO, M. M. e ARÊAS, José Alfredo Gomes. Study of bovine B-casein at water/lipid interface by molecular modeling. Journal of Molecular Structure (Theochem), n. 534, p. 279-288, 2001Tradução . . Disponível em: https://doi.org/10.1016/s0166-1280(00)00798-3. Acesso em: 13 fev. 2026. -
APA
Cassiano, M. M., & Arêas, J. A. G. (2001). Study of bovine B-casein at water/lipid interface by molecular modeling. Journal of Molecular Structure (Theochem), ( 534), 279-288. doi:10.1016/s0166-1280(00)00798-3 -
NLM
Cassiano MM, Arêas JAG. Study of bovine B-casein at water/lipid interface by molecular modeling [Internet]. Journal of Molecular Structure (Theochem). 2001 ;( 534): 279-288.[citado 2026 fev. 13 ] Available from: https://doi.org/10.1016/s0166-1280(00)00798-3 -
Vancouver
Cassiano MM, Arêas JAG. Study of bovine B-casein at water/lipid interface by molecular modeling [Internet]. Journal of Molecular Structure (Theochem). 2001 ;( 534): 279-288.[citado 2026 fev. 13 ] Available from: https://doi.org/10.1016/s0166-1280(00)00798-3 - Effect of lipid-protein interactions on hydration characteristics of defatted offal protein isolates
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Informações sobre o DOI: 10.1016/s0166-1280(00)00798-3 (Fonte: oaDOI API)
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