http://www.cnr.it/ontology/cnr/individuo/prodotto/ID8724
Denaturant-induced unfolding of the acetyl-esterase from Escherichia coli (Articolo in rivista)
- Type
- Label
- Denaturant-induced unfolding of the acetyl-esterase from Escherichia coli (Articolo in rivista) (literal)
- Anno
- 2004-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1021/bi048344f (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Del Vecchio P.; Graziano G.; Granata V.; Farias T.; Barone G.; Mandrich L.; Rossi M.; Manco G. (literal)
- Pagina inizio
- Pagina fine
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- Rivista
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- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Univ Naples Federico 2, Dept Chem, I-80126 Naples, Italy
Univ Sannio, Dept Biol & Environm Sci, I-82100 Benevento, Italy
CNR, Inst Prot Biochem, I-80131 Naples, Italy (literal)
- Titolo
- Denaturant-induced unfolding of the acetyl-esterase from Escherichia coli (literal)
- Abstract
- The stability of acetyl-esterase, Aes, from Escherichia coli against the denaturing action of urea and guanidine hydrochloride, GuHCl, has been investigated by means of circular dichroism and fluorescence measurements. The urea-induced unfolding curves show a single inflection point at 6.2 M urea, whereas the GuHCl-induced curves show two inflection points at 1.4 and 3.1 M GuHCl. The unfolding process is reversible with both urea and GuHCl. These results, together with similar experimental data on the mutant form V20D-Aes, suggest the presence of two domains in the Aes structure, which unfold more or less independently depending on the denaturant used. This is also supported by a 3D model obtained by homology modeling using the structure of brefeldine as a template. The effect of NaCl on the urea-induced unfolding curves of the enzyme has also been investigated. (literal)
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- Autore CNR
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