Abstract
gamma-Butyrobetaine hydroxylase catalyse the last step in carnitine biosynthesis, the formation of L-carnitine from gamma-butyrobetaine, a reaction dependent on Fe2+, alpha-ketoglutarate, ascorbate and oxygen. Initial attempts to purify the protein from rat liver showed that gamma-butyrobetaine hydroxylase is unstable. We, therefore, determined the influence of various compounds on the stability of gamma-butyrobetaine hydroxylase at different storage temperatures. The enzyme activity was best conserved by storing the protein at 4 degrees C in the presence of 200 g/l glycerol and 10 mM DTT. We subsequently purified the enzyme from rat liver to apparent homogeneity by liquid chromatography
| Original language | English |
|---|---|
| Pages (from-to) | 117-124 |
| Journal | Advances in experimental medicine and biology |
| Volume | 466 |
| Publication status | Published - 1999 |
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