Three different well-characterized preparations of proteoglycan subunits were analyzed by high-performance liquid chromatography on a silica-based material bonded with an amide phase. The biochemical integrity of the proteoglycan subunits was retained during this procedure. The high sensitivity coup
High-Performance Liquid Chromatography Analysis of Spectrin Oligomerization
✍ Scribed by Lars Löfvenberg; Lars Backman
- Publisher
- Elsevier Science
- Year
- 2001
- Tongue
- English
- Weight
- 81 KB
- Volume
- 292
- Category
- Article
- ISSN
- 0003-2697
No coin nor oath required. For personal study only.
✦ Synopsis
Gel filtration chromatography has been used to analyze the oligomerization of human erythrocyte spectrin. By applying an exponentially modified Gaussian function we have been able to resolve overlapping elution peaks. From these peaks it was possible to calculate the equilibrium composition of each spectrin concentration and thus also the dissociation constants describing the oligomeric process. The determined dissociation constants for tetramer formation (1.3 M) and for hexamer formation (24 M) agree well with other measurements.
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