Purification and partial characterization of two thioredoxins from Streptomyces aureofaciens
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Two-step purification and partial characterization of an extra cellular α-amylase from Bacillus licheniformis
The aim of this study was production and partial purification of α-amylase enzyme by Bacillus licheniformis. B. Licheniformis was allowed to grow in broth culture for purpose of inducing α-amylase enzyme. Optimal conditions for amylase production by B. Licheniformis are incubation period of 120 h, temperature of 37 °C and pH 7.0. The α-amylase enzyme was purified by ion exchange chromatography ...
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Gomis-Ruth F X , Maskos K , Betz M , Bergner A , Huber R , Suzuki K , Yoshida N , Nagase H , Brew K , Bourenkov G P , Bartunik H and Bode W (1997) Mechanism of inhibition of the human matrix metalloproteinase stromelysm 1 by TIMP 1, Nature 389 pp 77 81 Willenbrock, F and G Murphy (1994) Structure-Function Relationships in the Tissue Inhibitors of Metalloprotemases American Journal of Respirator...
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Valine dehydrogenase was purified to homogeneity from the crude extracts of Streptomyces aureofaciens. The molecular weight of the native enzyme was 116,000 by equilibrium ultracentrifugation and 118,000 by size exclusion high-performance liquid chromatography. The enzyme was composed of four subunits with molecular weights of 29,000. The isoelectric point was 5.1. The enzyme required NAD+ as a...
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A new type II sequence-specific restriction endonuclease, SauI, was isolated from Streptomyces aureofaciens IKA18/4. The purified enzyme was free of contaminating exonuclease and phosphatase activities. SauI cleaved lambda DNA at two sites, but did not cleave pBR322, simian virus 40, or phi X174 DNA. SauI recognized the septanucleotide sequence 5'-CCTNAGG-3' and cleaved at the position indicate...
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Background: Bacteriocins are small peptides which are ribosomally synthesized and have been shown to have wide range of antimicrobial activity. The aim of this study was to optimize the production of L. paracasei MG847589 bacteriocin. Furthermore, the potential antibacterial properties of the novel bacteriocins were characterized and evaluated against Staphylococcus aureus. Methods: The presen...
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ژورنال
عنوان ژورنال: IUBMB Life
سال: 1996
ISSN: 1521-6543
DOI: 10.1080/15216549600201063