http://www.cnr.it/ontology/cnr/individuo/prodotto/ID213817
C68 from the Sulfolobus islandicus plasmid-virus pSSVx is a novelmember of the AbrB-like transcription factor family (Articolo in rivista)
- Type
- Label
- C68 from the Sulfolobus islandicus plasmid-virus pSSVx is a novelmember of the AbrB-like transcription factor family (Articolo in rivista) (literal)
- Anno
- 2011-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1042/BJ20101334 (literal)
- Alternative label
Contursi P, D'Ambrosio K, Pirone L, Pedone E, Aucelli T, She Q, De Simone G,Bartolucci S (2011)
C68 from the Sulfolobus islandicus plasmid-virus pSSVx is a novelmember of the AbrB-like transcription factor family
in Biochemical journal (Online)
(literal)
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- Contursi P, D'Ambrosio K, Pirone L, Pedone E, Aucelli T, She Q, De Simone G,Bartolucci S (literal)
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- Dipartimento di Biologia Strutturale e Funzionale, Università degli Studi di Napoli Federico II
Istituto di Biostrutture e Bioimmagini - CNR, Napoli (literal)
- Titolo
- C68 from the Sulfolobus islandicus plasmid-virus pSSVx is a novelmember of the AbrB-like transcription factor family (literal)
- Abstract
- The genetic element pSSVx from Sulfolobus islandicus, strain REY15/4, is a hybrid between a plasmid and a fusellovirus. This plasmid-virus hybrid infects several species of the hyperthermophilic acidophilic crenarchaeon Sulfolobus. The open reading frame orfc68 of pSSVx encodes a 7.7 kDa protein that does not show significant sequence homology with any protein with known three-dimensional structure. EMSA (electrophoretic mobility-shift assay) experiments, DNA footprinting and CD analyses indicate that recombinant C68, purified from Escherichia coli, binds to two different operator sites that are located upstream of its own promoter. The three-dimensional structure, solved by a single-wavelength anomalous diffraction experiment on a selenomethionine derivative, shows that the protein assumes a swapped-hairpin fold, which is a distinctive fold associated with a family of prokaryotic transcription factors, such as AbrB from Bacillus subtilis. Nevertheless, C68 constitutes a novel representative of this family because it shows several peculiar structural and functional features. (literal)
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