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Published on: June 12, 2019
Protein-lipid interactions of bacteriophage M13 gene 9 minor coat protein
M Chantal Houbiers1, Marcus A Hemminga
1Laboratory of Biophysics, Wageningen University, Dreijenlaan 3, NL-6703 HA Wageningen, The Netherlands.
Abstract:
Gene 9 protein is one of the minor coat proteins of bacteriophage M13. The protein plays a role in the assembly process by associating with the host membrane by protein-lipid interactions. The availability of chemically synthesized protein has enabled the biophysical characterization of the membrane-bound state of the protein by using model membrane systems. This paper summarizes, discusses and further interprets this work in the light of the current state of the literature, leading to new possible models of the coat protein in a membrane. The biological implications of these findings related to the membrane-bound phage assembly are indicated.
Insights
Bacteriophage M13 gene 9 protein interacts with host membranes via protein-lipid interactions. Biophysical studies using model membranes reveal insights into its membrane-bound state and phage assembly.
Area of Science:
- * Molecular biology
- * Biophysics
- * Virology
Background:
- * Bacteriophage M13 utilizes minor coat proteins during its assembly.
- * Gene 9 protein is implicated in associating with host membranes.
- * Protein-lipid interactions are crucial for this association.
Purpose of the Study:
- * To biophysically characterize the membrane-bound state of bacteriophage M13 gene 9 protein.
- * To interpret existing data in the context of current literature.
- * To propose new models for coat protein behavior in membranes.
Main Methods:
- * Chemical synthesis of bacteriophage M13 gene 9 protein.
- * Utilization of model membrane systems for biophysical characterization.
- * Analysis of protein-lipid interactions.
Main Results:
- * Biophysical characterization of the membrane-bound state of gene 9 protein.
- * Interpretation of protein-lipid interactions in model membranes.
- * Development of new models for coat protein membrane association.
Conclusions:
- * Gene 9 protein's association with host membranes is mediated by protein-lipid interactions.
- * Biophysical data provides a foundation for understanding membrane-bound phage assembly.
- * New models offer insights into the role of coat proteins in viral replication.
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