Abstract
Baculovirus mediated gene transduction of mammalian cells (BacMam) is an emerging technique for rapid recombinant protein expression in mammalian cells. We constructed two baculovirus transfer vectors that incorporate several mammalian transcriptional regulatory elements necessary for high-level protein expression in mammalian cells. Using these vectors, we show that the BacMam system in combination with the 293 GnTI(-) cell line can be used for production of milligram quantities of soluble glycoproteins. Moreover, for crystallization trials, the purified glycoproteins are sensitive to EndoH treatment resulting in a loss of the bulk of the attached N-linked glycosylation. In addition, we also show that a combination of the BacMam system and 293 GnTI(-) cell line can be used for producing milligram quantities of a GPCR-protein ligand complex suitable for crystallization trials.
MeSH Terms
Animals
Baculoviridae/metabolism
Base Sequence
Cell Line
Chemokine CX3CL1/isolation & purification,metabolism
Crystallography, X-Ray
Frizzled Receptors/chemistry,isolation & purification,metabolism
Genetic Vectors/genetics
Humans
Membrane Glycoproteins/chemistry,metabolism
Mice
Molecular Sequence Data
Protein Structure, Tertiary
Receptor, Parathyroid Hormone, Type 1/chemistry,isolation & purification,metabolism
Receptors, Chemokine/isolation & purification,metabolism
Receptors, G-Protein-Coupled/chemistry,isolation & purification,metabolism
Recombinant Proteins/chemistry,metabolism
Solubility
Transduction, Genetic/methods
Transfection
Viral Proteins/isolation & purification,metabolism
Chemicals
Chemokine CX3CL1
Frizzled Receptors
Fzd4 protein, mouse
Membrane Glycoproteins
Receptor, Parathyroid Hormone, Type 1
Receptors, Chemokine
Receptors, G-Protein-Coupled
Recombinant Proteins
US28 receptor, Cytomegalovirus
Viral Proteins
Authors & Affiliations
5 authors, click to expand affiliations / ORCID
Dukkipati Abhiram
Department of Molecular and Cellular Physiology, Howard Hughes Medical Institute, Stanford University School of Medicine, Stanford, CA 94305, USA.
Park Hyun Ho
Waghray Deepa
Fischer Suzanne
Garcia K Christopher
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