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Polyproline fold—In imparting kinetic stability to an alkaline serine endopeptidase
Biochimica Et Biophysica Acta - Proteins and Proteomics, 2013Polyproline II (PPII) fold, an unusual structural element was detected in the serine protease from Nocardiopsis sp. NCIM 5124 (NprotI) based on far UV circular dichroism spectrum, structural transitions of the enzyme in presence of GdnHCl and a distinct isodichroic point in chemical and thermal denaturation.
Dokku Sivaramakrishna, Musti J Swamy
exaly +4 more sources
International Journal of Biochemistry and Cell Biology, 2004
In this study, we compared the properties of a serine endopeptidase H1 (SH1) and a serine thiol endopeptidase (STH2) purified from human urine by DEAE-cellulose followed by a Bio Gel A0.5 m or Sepharose Mercurial chromatographs. These enzymes differ in their action upon different hormone peptides.
M A Juliano +2 more
exaly +4 more sources
In this study, we compared the properties of a serine endopeptidase H1 (SH1) and a serine thiol endopeptidase (STH2) purified from human urine by DEAE-cellulose followed by a Bio Gel A0.5 m or Sepharose Mercurial chromatographs. These enzymes differ in their action upon different hormone peptides.
M A Juliano +2 more
exaly +4 more sources
A serine endopeptidase from the fruits of Melothria japonica (Thunb.) Maxim.
Phytochemistry, 2001An endopeptidase from the fruits of Melothria japonica (Thunb.) Maxim. has been purified by DEAE-Sepharose chromatography and gel-filtration by a Sephacryl S-300. The enzyme has Mr of 61 kDa. The optimum pH of the enzyme was 8. The enzyme activity was inhibited by diisopropyl fluorophosphate and phenylmethanesulfonylfluoride, but not by EDTA.
Tetsuya Uchikoba +2 more
exaly +4 more sources
Phytochemistry, 2001
An endopeptidase was purified and characterized from green leaves of cucumber (Cucumis sativus L. suyo). The purified enzyme, a basic amino acid-specific endopeptidase with a pI of 5.0, was a monomeric protein of 80 kDa whose pH optimum was 9.5. Inhibitor analysis suggested that it was a serine endopeptidase and contained sulfhydryl groups essential ...
Yasuo Yamauchi +2 more
exaly +4 more sources
An endopeptidase was purified and characterized from green leaves of cucumber (Cucumis sativus L. suyo). The purified enzyme, a basic amino acid-specific endopeptidase with a pI of 5.0, was a monomeric protein of 80 kDa whose pH optimum was 9.5. Inhibitor analysis suggested that it was a serine endopeptidase and contained sulfhydryl groups essential ...
Yasuo Yamauchi +2 more
exaly +4 more sources
Immunopharmacology, 1999
We have previously described a kinin-inactivating endopeptidase (H2), which was purified 19-fold from human urine by DEAE-cellulose chromatography and gel filtration. The enzyme was inhibited 100% by PMSF, TPCK and pOHMB. In the present communication, we further characterized this enzyme using the fluorogenic substrates Abz-RPPGFSPFRQ-EDDnp (Abz-BKQ ...
Luiz Juliano +2 more
exaly +5 more sources
We have previously described a kinin-inactivating endopeptidase (H2), which was purified 19-fold from human urine by DEAE-cellulose chromatography and gel filtration. The enzyme was inhibited 100% by PMSF, TPCK and pOHMB. In the present communication, we further characterized this enzyme using the fluorogenic substrates Abz-RPPGFSPFRQ-EDDnp (Abz-BKQ ...
Luiz Juliano +2 more
exaly +5 more sources