ArticleFolia microbiologica2003
Purification and partial characterization of alpha-L-arabinofuranosidase produced by Thermomonospora fusca.
Article in Folia microbiologica, 2003. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
1 citing paper in PubMed, 10 citations in OpenAlex.
- Alpha-L-arabinofuranosidases: the potential applications in biotechnology.Journal of industrial microbiology & biotechnology · 2006Review
Corrections and comments
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Authors and funding
2 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Thermomonospora fusca produced a relatively high level of alpha-L-arabinofuranosidase when growing on oat spelt xylan as the main carbon and energy source. The enzyme exhibited maximum relative activity (0.136 U/g protein) at pH 9.0 with 54 and 55% activity remaining at pH of 4.5 and 11.0, respectively. The apparent Km value for the crude alpha-L-arabinofuranosidase preparation was 180 mumol/L 4-nitrophenyl alpha-L-arabinofuranoside; the upsilon lim value was the release of 40 mumol/L 4-nitrophenol per min. Enzyme activity was eluted as a single peak (HPLC gel filtration chromatography) corresponding to molar mass of approximately 92 kDa. Native electrophoresis of crude cell lysate confirmed the presence of a single active intracellular alpha-L-arabinofuranosidase component. SDS-PAGE of this enzyme, developed as zymogram, did not demonstrate any activity; denaturing gel was stained and a protein band of relative molar mass of 46 kDa was revealed. Isoelectric focusing of a purified alpha-L-arabinofuranosidase yielded a single protein band for the corresponding activity zone with pI 7.9. The enzyme was purified approximately 21-fold the mean overall yield was about 16%.
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Registered trials
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