The ADP-ribosylation of Sulfolobus solfataricus Sso7 modulates protein/DNA interactions in vitro.
Identifieur interne : 000676 ( Ncbi/Merge ); précédent : 000675; suivant : 000677The ADP-ribosylation of Sulfolobus solfataricus Sso7 modulates protein/DNA interactions in vitro.
Auteurs : Sabrina Castellano [Italie] ; Benedetta Farina ; Maria Rosaria Faraone-MennellaSource :
- FEBS letters [ 1873-3468 ] ; 2009.
Descripteurs français
- KwdFr :
- ADN des archées (métabolisme), ADP (métabolisme), Maturation post-traductionnelle des protéines (physiologie), Poly(ADP-ribose) polymerases (métabolisme), Protéines d'archée (métabolisme), Protéines de liaison à l'ADN (métabolisme), Structure tertiaire des protéines (physiologie), Sulfolobus solfataricus (métabolisme).
- MESH :
English descriptors
- KwdEn :
- Adenosine Diphosphate (metabolism), Archaeal Proteins (metabolism), DNA, Archaeal (metabolism), DNA-Binding Proteins (metabolism), Poly(ADP-ribose) Polymerases (metabolism), Protein Processing, Post-Translational (physiology), Protein Structure, Tertiary (physiology), Sulfolobus solfataricus (metabolism).
- MESH :
- chemical , metabolism : Adenosine Diphosphate, Archaeal Proteins, DNA, Archaeal, DNA-Binding Proteins, Poly(ADP-ribose) Polymerases.
- metabolism : Sulfolobus solfataricus.
- physiology : Protein Processing, Post-Translational, Protein Structure, Tertiary.
Abstract
The 7 kDa Sso7 is a basic protein particularly abundant in Sulfolobus solfataricus and is involved in DNA assembly. This protein undergoes in vitro ADP-ribosylation by an endogenous poly(ADP-ribose) polymerase-like enzyme. The circular dichroism spectrum of purified ADP-ribosylated Sso7 shows that this modification stabilizes the prevalent protein beta-conformation, as suggested by shifting of negative ellipticity minimum to 220 nm. Moreover, a short ADP-ribose chain (up to 6-mers) bound to Sso7 is able to reduce drastically the thermoprotective and DNA condensing ability of the protein, suggesting a possible regulatory role of ADP-ribosylation in sulfolobal DNA organization.
DOI: 10.1016/j.febslet.2009.03.003
PubMed: 19272378
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pubmed:19272378Le document en format XML
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<wicri:regionArea>Department of Structural and Functional Biology, Faculty of Sciences MM FF NN, University of Naples Federico II, Complesso Universitario di Monte S. Angelo, Napoli</wicri:regionArea>
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<author><name sortKey="Farina, Benedetta" sort="Farina, Benedetta" uniqKey="Farina B" first="Benedetta" last="Farina">Benedetta Farina</name>
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<author><name sortKey="Faraone Mennella, Maria Rosaria" sort="Faraone Mennella, Maria Rosaria" uniqKey="Faraone Mennella M" first="Maria Rosaria" last="Faraone-Mennella">Maria Rosaria Faraone-Mennella</name>
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<author><name sortKey="Faraone Mennella, Maria Rosaria" sort="Faraone Mennella, Maria Rosaria" uniqKey="Faraone Mennella M" first="Maria Rosaria" last="Faraone-Mennella">Maria Rosaria Faraone-Mennella</name>
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<term>DNA, Archaeal (metabolism)</term>
<term>DNA-Binding Proteins (metabolism)</term>
<term>Poly(ADP-ribose) Polymerases (metabolism)</term>
<term>Protein Processing, Post-Translational (physiology)</term>
<term>Protein Structure, Tertiary (physiology)</term>
<term>Sulfolobus solfataricus (metabolism)</term>
</keywords>
<keywords scheme="KwdFr" xml:lang="fr"><term>ADN des archées (métabolisme)</term>
<term>ADP (métabolisme)</term>
<term>Maturation post-traductionnelle des protéines (physiologie)</term>
<term>Poly(ADP-ribose) polymerases (métabolisme)</term>
<term>Protéines d'archée (métabolisme)</term>
<term>Protéines de liaison à l'ADN (métabolisme)</term>
<term>Structure tertiaire des protéines (physiologie)</term>
<term>Sulfolobus solfataricus (métabolisme)</term>
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<keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Adenosine Diphosphate</term>
<term>Archaeal Proteins</term>
<term>DNA, Archaeal</term>
<term>DNA-Binding Proteins</term>
<term>Poly(ADP-ribose) Polymerases</term>
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<keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Sulfolobus solfataricus</term>
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<keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>ADN des archées</term>
<term>ADP</term>
<term>Poly(ADP-ribose) polymerases</term>
<term>Protéines d'archée</term>
<term>Protéines de liaison à l'ADN</term>
<term>Sulfolobus solfataricus</term>
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<keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Maturation post-traductionnelle des protéines</term>
<term>Structure tertiaire des protéines</term>
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<keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Protein Processing, Post-Translational</term>
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<front><div type="abstract" xml:lang="en">The 7 kDa Sso7 is a basic protein particularly abundant in Sulfolobus solfataricus and is involved in DNA assembly. This protein undergoes in vitro ADP-ribosylation by an endogenous poly(ADP-ribose) polymerase-like enzyme. The circular dichroism spectrum of purified ADP-ribosylated Sso7 shows that this modification stabilizes the prevalent protein beta-conformation, as suggested by shifting of negative ellipticity minimum to 220 nm. Moreover, a short ADP-ribose chain (up to 6-mers) bound to Sso7 is able to reduce drastically the thermoprotective and DNA condensing ability of the protein, suggesting a possible regulatory role of ADP-ribosylation in sulfolobal DNA organization.</div>
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<Title>FEBS letters</Title>
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<ArticleTitle>The ADP-ribosylation of Sulfolobus solfataricus Sso7 modulates protein/DNA interactions in vitro.</ArticleTitle>
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<Abstract><AbstractText>The 7 kDa Sso7 is a basic protein particularly abundant in Sulfolobus solfataricus and is involved in DNA assembly. This protein undergoes in vitro ADP-ribosylation by an endogenous poly(ADP-ribose) polymerase-like enzyme. The circular dichroism spectrum of purified ADP-ribosylated Sso7 shows that this modification stabilizes the prevalent protein beta-conformation, as suggested by shifting of negative ellipticity minimum to 220 nm. Moreover, a short ADP-ribose chain (up to 6-mers) bound to Sso7 is able to reduce drastically the thermoprotective and DNA condensing ability of the protein, suggesting a possible regulatory role of ADP-ribosylation in sulfolobal DNA organization.</AbstractText>
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<ForeName>Sabrina</ForeName>
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