Site-Directed Mutagenesis to Study the Role of Specific Amino Acids in the Ligand Binding Domain of PPARs
Mutagenesis; Nuclear receptors; Peroxisome proliferator-activated receptors; Transcriptional activity
Ligands
Protein Structure, Tertiary
PPAR gamma
HEK293 Cells
Transformation, Genetic
Mutation
Escherichia coli
Mutagenesis, Site-Directed
Humans
Amino Acids
Deoxyribonucleases, Type II Site-Specific
DNA Primers
Plasmids
DOI:
10.1007/978-1-62703-155-4_9
Publication Date:
2012-11-03T22:56:00Z
AUTHORS (6)
ABSTRACT
The role of certain amino acids in the interactions of ligands with their cognate nuclear receptors is usually achieved by the resolution of the crystal structure of the receptor complexed with the ligand. As a complementary functional approach, site-directed mutagenesis, a technique broadly used in molecular biology, allows the assessment of the role of a specific amino acid in determining the interaction with a specific ligand. This method makes it possible to evaluate several mutations of a key amino acid for ligand binding and to determine the relationship between protein structure and ligand interaction. Here, we describe an application of this technique to evaluate different point mutations on the transcriptional activity of peroxisome proliferator-activated receptor γ (PPARγ) in the absence or presence of chemically different ligands.
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CITATIONS (3)
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