Purification and Characterization of a Substrate-Size-Recognizing Metalloendopeptidase from Streptococcus cremoris H61
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چکیده
منابع مشابه
Purification and Characterization of a Dipeptidase from Streptococcus cremoris Wg2.
A dipeptidase was purified to homogeneity from a crude cell extract of Streptococcus cremoris Wg2 by DEAE-Sephacel column chromatography followed by preparative disc gel electrophoresis. Sodium dodecyl sulfate-polyacrylamide gel electrophoresis of the purified enzyme showed a single protein band with a molecular weight of 49,000. The dipeptidase is capable of hydrolyzing a range of dipeptides, ...
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We previously identified an activity in the soluble fraction of the yeast Saccharomyces cerevisiae that is a candidate for catalyzing the proteolytic maturation of farnesylated -CXXX precursor polypeptides. We describe here a 1259-fold purification of this activity by chromatography on DEAE-cellulose, hydroxylapatite, phenyl-Sepharose, and Sephacryl S-200. Sodium dodecyl sulfate gel electrophor...
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A peptidase from the cell wall fraction of Lactococcus lactis subsp. cremoris IMN-C12 has been purified to homogeneity by hydrophobic interaction chromatography, two steps of anion-exchange chromatography, and gel filtration. The molecular mass of the purified enzyme was estimated to be 72 kDa by gel filtration and 23 kDa by sodium dodecyl sulfate-polyacrylamide gel electrophoresis. The enzyme ...
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A novel sequence-specific endonuclease has been isolated from Streptococcus cremoris F. ScrFI recognises the sequence: (formula; see text) and cleaves as indicated by the arrow ( ). It is the first enzyme to recognise this sequence and the first endonuclease reported from the lactic streptococci used in dairy fermentations.
متن کاملPurification and Characterization of an Aminopeptidase from Lactococcus lactis subsp. cremoris Wg2.
An aminopeptidase was purified to homogeneity from a crude cell extract of Lactococcus lactis subsp. cremoris Wg2 by a procedure that included diethyl-aminoethane-Sephacel chromatography, phenyl-Sepharose chromatography, gel filtration, and high-performance liquid chromatography over an anion-exchange column. Sodium dodecyl sulfate-polyacrylamide gel electrophoresis of the purified enzyme showe...
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ژورنال
عنوان ژورنال: Applied and Environmental Microbiology
سال: 1987
ISSN: 0099-2240,1098-5336
DOI: 10.1128/aem.53.10.2296-2302.1987