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Bis-tris propane
Bis-tris propane, or 1,3-bis(tris(hydroxymethyl)methylamino)propane, also known as BTP, is a chemical substance that is used in buffer solutions. It is a white to off-white crystalline powder that is soluble in water. It has a wide buffering range, from 6 to 9.5 due to its two pKa values which are close in value. This buffer is primarily used in biochemistry and molecular biology.
Applications
A review of DNA polymerase fidelity cites bis-tris propane as a suitable buffer for polymerase chain reaction (PCR). Bis-Tris propane has also been used with HCl buffer for stabilization of farnesyl diphosphate isolated from a strain of Saccharomyces cerevisiae. It has also been used in a study of the effects of buffer identity on electric signals of light-excited bacteriorhodopsin. Use of Bis-Tris propane has also been documented in an investigation of the MgATPase activity of the myosin subfragment 1 monomer. The effect of buffer identity on the kinetics of the restriction enzyme EcoRV has been studied in various buffers, including Bis-Tris propane. Bis-Tris propane wide buffering range is also useful for calibration of genetically encoded pH indicators expressed in the cytosol or mitochondria. Bis-Tris propane has been used as the buffering agent in separation of full and empty capsids of recombinant adeno-associated virus vectors with anion-exchange chromatography.
References
References
- (August 1991). "DNA polymerase fidelity and the polymerase chain reaction". PCR Methods and Applications.
- (June 2003). "Detection of farnesyl diphosphate accumulation in yeast ERG9 mutants". Analytical Biochemistry.
- (June 2000). "Buffer effects on electric signals of light-excited bacteriorhodopsin". Biophysical Journal.
- (September 1986). "MgATPase activity of myosin subfragment 1. The dimer is more active than the monomer". Journal of Molecular Biology.
- (March 1999). "Buffer effects on EcoRV kinetics as measured by fluorescent staining and digital imaging of plasmid cleavage". Analytical Biochemistry.
- (June 2013). "Mitochondrial free Ca²⁺ levels and their effects on energy metabolism in Drosophila motor nerve terminals". Biophysical Journal.
- (February 2012). "Analysis of particle content of recombinant adeno-associated virus serotype 8 vectors by ion-exchange chromatography". Human Gene Therapy Methods.
- (June 2021). "Anion-exchange HPLC assay for separation and quantification of empty and full capsids in multiple adeno-associated virus serotypes". Molecular Therapy: Methods & Clinical Development.
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