The structure of the periplasmic thiol-disulfide oxidoreductase SoxS from Paracoccus pantotrophus indicates a triple Trx/Grx/DsbC functionality in chemotrophic sulfur oxidation.
Identifieur interne : 000A71 ( Main/Exploration ); précédent : 000A70; suivant : 000A72The structure of the periplasmic thiol-disulfide oxidoreductase SoxS from Paracoccus pantotrophus indicates a triple Trx/Grx/DsbC functionality in chemotrophic sulfur oxidation.
Auteurs : Yvonne Carius [Allemagne] ; Dagmar Rother ; Cornelius G. Friedrich ; Axel J. ScheidigSource :
- Acta crystallographica. Section D, Biological crystallography [ 1399-0047 ] ; 2009.
Descripteurs français
- KwdFr :
- Alignement de séquences (MeSH), Conformation des protéines (MeSH), Cristallographie aux rayons X (MeSH), Dimérisation (MeSH), Disulfures (métabolisme), Données de séquences moléculaires (MeSH), Glutarédoxines (composition chimique), Modèles moléculaires (MeSH), Motifs d'acides aminés (MeSH), Oxidoreductases acting on sulfur group donors (métabolisme), Oxydoréduction (MeSH), Paracoccus pantotrophus (enzymologie), Protein-disulfide reductase (glutathione) (composition chimique), Protein-disulfide reductase (glutathione) (physiologie), Protéines bactériennes (composition chimique), Protéines bactériennes (métabolisme), Protéines bactériennes (physiologie), Protéines de fusion recombinantes (composition chimique), Relation structure-activité (MeSH), Similitude de séquences d'acides aminés (MeSH), Sites de fixation (MeSH), Soufre (métabolisme), Sélénométhionine (composition chimique), Séquence d'acides aminés (MeSH), Thiorédoxines (composition chimique).
- MESH :
- composition chimique : Glutarédoxines, Protein-disulfide reductase (glutathione), Protéines bactériennes, Protéines de fusion recombinantes, Sélénométhionine, Thiorédoxines.
- enzymologie : Paracoccus pantotrophus.
- métabolisme : Disulfures, Oxidoreductases acting on sulfur group donors, Protéines bactériennes, Soufre.
- physiologie : Protein-disulfide reductase (glutathione), Protéines bactériennes.
- Alignement de séquences, Conformation des protéines, Cristallographie aux rayons X, Dimérisation, Données de séquences moléculaires, Modèles moléculaires, Motifs d'acides aminés, Oxydoréduction, Relation structure-activité, Similitude de séquences d'acides aminés, Sites de fixation, Séquence d'acides aminés.
English descriptors
- KwdEn :
- Amino Acid Motifs (MeSH), Amino Acid Sequence (MeSH), Bacterial Proteins (chemistry), Bacterial Proteins (metabolism), Bacterial Proteins (physiology), Binding Sites (MeSH), Crystallography, X-Ray (MeSH), Dimerization (MeSH), Disulfides (metabolism), Glutaredoxins (chemistry), Models, Molecular (MeSH), Molecular Sequence Data (MeSH), Oxidation-Reduction (MeSH), Oxidoreductases Acting on Sulfur Group Donors (metabolism), Paracoccus pantotrophus (enzymology), Protein Conformation (MeSH), Protein Disulfide Reductase (Glutathione) (chemistry), Protein Disulfide Reductase (Glutathione) (physiology), Recombinant Fusion Proteins (chemistry), Selenomethionine (chemistry), Sequence Alignment (MeSH), Sequence Homology, Amino Acid (MeSH), Structure-Activity Relationship (MeSH), Sulfur (metabolism), Thioredoxins (chemistry).
- MESH :
- chemical , chemistry : Bacterial Proteins, Glutaredoxins, Protein Disulfide Reductase (Glutathione), Recombinant Fusion Proteins, Selenomethionine, Thioredoxins.
- chemical , metabolism : Bacterial Proteins, Disulfides, Oxidoreductases Acting on Sulfur Group Donors, Sulfur.
- chemical , physiology : Bacterial Proteins, Protein Disulfide Reductase (Glutathione).
- enzymology : Paracoccus pantotrophus.
- Amino Acid Motifs, Amino Acid Sequence, Binding Sites, Crystallography, X-Ray, Dimerization, Models, Molecular, Molecular Sequence Data, Oxidation-Reduction, Protein Conformation, Sequence Alignment, Sequence Homology, Amino Acid, Structure-Activity Relationship.
Abstract
The periplasmic thiol-disulfide oxidoreductase SoxS is beneficial for the sulfur-oxidizing (Sox) phenotype of the facultative chemotrophic bacterium Paracoccus pantotrophus and is not part of the Sox enzyme system. SoxS combines features of thioredoxins, glutaredoxins and the thiol-disulfide oxidoreductases of the Dsb family in structure, target specificity and reaction. The structure of SoxS was solved in oxidized and reduced forms at 2.1 and 1.9 A resolution, respectively. SoxS revealed high structural homology to typical cytoplasmic bacterial thioredoxins. In contrast, SoxS contained the active-site motif Pro-Gly-Cys-Leu-Tyr-Cys that is not present in other thioredoxins. Interestingly, the sequence of this motif is closely related to the Pro-Gly-Cys-Pro-Tyr-Cys sequence of some glutaredoxins and to the Pro-Xaa-Cys-Xaa-Tyr-Cys sequences of some members of the DsbC and DsbG subfamilies of thiol-disulfide oxidoreductases. Furthermore, the proposed substrate of SoxS, the interprotein disulfide of SoxY, Cys110(Y)-Cys110(Y), is structurally similar to oxidized glutathione. However, SoxS is proposed to specifically reduce the interprotein disulfide between two SoxY subunits, releasing a heterodimeric SoxYZ as an active part of the sulfur-oxidation cycle.
DOI: 10.1107/S0907444908043023
PubMed: 19237745
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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<author><name sortKey="Friedrich, Cornelius G" sort="Friedrich, Cornelius G" uniqKey="Friedrich C" first="Cornelius G" last="Friedrich">Cornelius G. Friedrich</name>
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<term>Bacterial Proteins (metabolism)</term>
<term>Bacterial Proteins (physiology)</term>
<term>Binding Sites (MeSH)</term>
<term>Crystallography, X-Ray (MeSH)</term>
<term>Dimerization (MeSH)</term>
<term>Disulfides (metabolism)</term>
<term>Glutaredoxins (chemistry)</term>
<term>Models, Molecular (MeSH)</term>
<term>Molecular Sequence Data (MeSH)</term>
<term>Oxidation-Reduction (MeSH)</term>
<term>Oxidoreductases Acting on Sulfur Group Donors (metabolism)</term>
<term>Paracoccus pantotrophus (enzymology)</term>
<term>Protein Conformation (MeSH)</term>
<term>Protein Disulfide Reductase (Glutathione) (chemistry)</term>
<term>Protein Disulfide Reductase (Glutathione) (physiology)</term>
<term>Recombinant Fusion Proteins (chemistry)</term>
<term>Selenomethionine (chemistry)</term>
<term>Sequence Alignment (MeSH)</term>
<term>Sequence Homology, Amino Acid (MeSH)</term>
<term>Structure-Activity Relationship (MeSH)</term>
<term>Sulfur (metabolism)</term>
<term>Thioredoxins (chemistry)</term>
</keywords>
<keywords scheme="KwdFr" xml:lang="fr"><term>Alignement de séquences (MeSH)</term>
<term>Conformation des protéines (MeSH)</term>
<term>Cristallographie aux rayons X (MeSH)</term>
<term>Dimérisation (MeSH)</term>
<term>Disulfures (métabolisme)</term>
<term>Données de séquences moléculaires (MeSH)</term>
<term>Glutarédoxines (composition chimique)</term>
<term>Modèles moléculaires (MeSH)</term>
<term>Motifs d'acides aminés (MeSH)</term>
<term>Oxidoreductases acting on sulfur group donors (métabolisme)</term>
<term>Oxydoréduction (MeSH)</term>
<term>Paracoccus pantotrophus (enzymologie)</term>
<term>Protein-disulfide reductase (glutathione) (composition chimique)</term>
<term>Protein-disulfide reductase (glutathione) (physiologie)</term>
<term>Protéines bactériennes (composition chimique)</term>
<term>Protéines bactériennes (métabolisme)</term>
<term>Protéines bactériennes (physiologie)</term>
<term>Protéines de fusion recombinantes (composition chimique)</term>
<term>Relation structure-activité (MeSH)</term>
<term>Similitude de séquences d'acides aminés (MeSH)</term>
<term>Sites de fixation (MeSH)</term>
<term>Soufre (métabolisme)</term>
<term>Sélénométhionine (composition chimique)</term>
<term>Séquence d'acides aminés (MeSH)</term>
<term>Thiorédoxines (composition chimique)</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Bacterial Proteins</term>
<term>Glutaredoxins</term>
<term>Protein Disulfide Reductase (Glutathione)</term>
<term>Recombinant Fusion Proteins</term>
<term>Selenomethionine</term>
<term>Thioredoxins</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Bacterial Proteins</term>
<term>Disulfides</term>
<term>Oxidoreductases Acting on Sulfur Group Donors</term>
<term>Sulfur</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="physiology" xml:lang="en"><term>Bacterial Proteins</term>
<term>Protein Disulfide Reductase (Glutathione)</term>
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<keywords scheme="MESH" qualifier="composition chimique" xml:lang="fr"><term>Glutarédoxines</term>
<term>Protein-disulfide reductase (glutathione)</term>
<term>Protéines bactériennes</term>
<term>Protéines de fusion recombinantes</term>
<term>Sélénométhionine</term>
<term>Thiorédoxines</term>
</keywords>
<keywords scheme="MESH" qualifier="enzymologie" xml:lang="fr"><term>Paracoccus pantotrophus</term>
</keywords>
<keywords scheme="MESH" qualifier="enzymology" xml:lang="en"><term>Paracoccus pantotrophus</term>
</keywords>
<keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Disulfures</term>
<term>Oxidoreductases acting on sulfur group donors</term>
<term>Protéines bactériennes</term>
<term>Soufre</term>
</keywords>
<keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Protein-disulfide reductase (glutathione)</term>
<term>Protéines bactériennes</term>
</keywords>
<keywords scheme="MESH" xml:lang="en"><term>Amino Acid Motifs</term>
<term>Amino Acid Sequence</term>
<term>Binding Sites</term>
<term>Crystallography, X-Ray</term>
<term>Dimerization</term>
<term>Models, Molecular</term>
<term>Molecular Sequence Data</term>
<term>Oxidation-Reduction</term>
<term>Protein Conformation</term>
<term>Sequence Alignment</term>
<term>Sequence Homology, Amino Acid</term>
<term>Structure-Activity Relationship</term>
</keywords>
<keywords scheme="MESH" xml:lang="fr"><term>Alignement de séquences</term>
<term>Conformation des protéines</term>
<term>Cristallographie aux rayons X</term>
<term>Dimérisation</term>
<term>Données de séquences moléculaires</term>
<term>Modèles moléculaires</term>
<term>Motifs d'acides aminés</term>
<term>Oxydoréduction</term>
<term>Relation structure-activité</term>
<term>Similitude de séquences d'acides aminés</term>
<term>Sites de fixation</term>
<term>Séquence d'acides aminés</term>
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<front><div type="abstract" xml:lang="en">The periplasmic thiol-disulfide oxidoreductase SoxS is beneficial for the sulfur-oxidizing (Sox) phenotype of the facultative chemotrophic bacterium Paracoccus pantotrophus and is not part of the Sox enzyme system. SoxS combines features of thioredoxins, glutaredoxins and the thiol-disulfide oxidoreductases of the Dsb family in structure, target specificity and reaction. The structure of SoxS was solved in oxidized and reduced forms at 2.1 and 1.9 A resolution, respectively. SoxS revealed high structural homology to typical cytoplasmic bacterial thioredoxins. In contrast, SoxS contained the active-site motif Pro-Gly-Cys-Leu-Tyr-Cys that is not present in other thioredoxins. Interestingly, the sequence of this motif is closely related to the Pro-Gly-Cys-Pro-Tyr-Cys sequence of some glutaredoxins and to the Pro-Xaa-Cys-Xaa-Tyr-Cys sequences of some members of the DsbC and DsbG subfamilies of thiol-disulfide oxidoreductases. Furthermore, the proposed substrate of SoxS, the interprotein disulfide of SoxY, Cys110(Y)-Cys110(Y), is structurally similar to oxidized glutathione. However, SoxS is proposed to specifically reduce the interprotein disulfide between two SoxY subunits, releasing a heterodimeric SoxYZ as an active part of the sulfur-oxidation cycle.</div>
</front>
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<DateCompleted><Year>2009</Year>
<Month>07</Month>
<Day>17</Day>
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<DateRevised><Year>2013</Year>
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<Title>Acta crystallographica. Section D, Biological crystallography</Title>
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</Journal>
<ArticleTitle>The structure of the periplasmic thiol-disulfide oxidoreductase SoxS from Paracoccus pantotrophus indicates a triple Trx/Grx/DsbC functionality in chemotrophic sulfur oxidation.</ArticleTitle>
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<Abstract><AbstractText>The periplasmic thiol-disulfide oxidoreductase SoxS is beneficial for the sulfur-oxidizing (Sox) phenotype of the facultative chemotrophic bacterium Paracoccus pantotrophus and is not part of the Sox enzyme system. SoxS combines features of thioredoxins, glutaredoxins and the thiol-disulfide oxidoreductases of the Dsb family in structure, target specificity and reaction. The structure of SoxS was solved in oxidized and reduced forms at 2.1 and 1.9 A resolution, respectively. SoxS revealed high structural homology to typical cytoplasmic bacterial thioredoxins. In contrast, SoxS contained the active-site motif Pro-Gly-Cys-Leu-Tyr-Cys that is not present in other thioredoxins. Interestingly, the sequence of this motif is closely related to the Pro-Gly-Cys-Pro-Tyr-Cys sequence of some glutaredoxins and to the Pro-Xaa-Cys-Xaa-Tyr-Cys sequences of some members of the DsbC and DsbG subfamilies of thiol-disulfide oxidoreductases. Furthermore, the proposed substrate of SoxS, the interprotein disulfide of SoxY, Cys110(Y)-Cys110(Y), is structurally similar to oxidized glutathione. However, SoxS is proposed to specifically reduce the interprotein disulfide between two SoxY subunits, releasing a heterodimeric SoxYZ as an active part of the sulfur-oxidation cycle.</AbstractText>
</Abstract>
<AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Carius</LastName>
<ForeName>Yvonne</ForeName>
<Initials>Y</Initials>
<AffiliationInfo><Affiliation>Abteilung für Strukturbiologie, Zoologisches Institut, Christian-Albrechts-Universität zu Kiel, Kiel, Germany.</Affiliation>
</AffiliationInfo>
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<ForeName>Dagmar</ForeName>
<Initials>D</Initials>
</Author>
<Author ValidYN="Y"><LastName>Friedrich</LastName>
<ForeName>Cornelius G</ForeName>
<Initials>CG</Initials>
</Author>
<Author ValidYN="Y"><LastName>Scheidig</LastName>
<ForeName>Axel J</ForeName>
<Initials>AJ</Initials>
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<Language>eng</Language>
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<Chemical><RegistryNumber>EC 1.8.-</RegistryNumber>
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<Chemical><RegistryNumber>EC 1.8.-</RegistryNumber>
<NameOfSubstance UI="C413329">SoxZ protein, Paracoccus pantotrophus</NameOfSubstance>
</Chemical>
<Chemical><RegistryNumber>EC 1.8.4.2</RegistryNumber>
<NameOfSubstance UI="D011490">Protein Disulfide Reductase (Glutathione)</NameOfSubstance>
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<MeshHeadingList><MeshHeading><DescriptorName UI="D020816" MajorTopicYN="N">Amino Acid Motifs</DescriptorName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D000595" MajorTopicYN="N">Amino Acid Sequence</DescriptorName>
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<MeshHeading><DescriptorName UI="D001426" MajorTopicYN="N">Bacterial Proteins</DescriptorName>
<QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName>
<QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName>
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</MeshHeading>
<MeshHeading><DescriptorName UI="D019281" MajorTopicYN="N">Dimerization</DescriptorName>
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<MeshHeading><DescriptorName UI="D004220" MajorTopicYN="N">Disulfides</DescriptorName>
<QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName>
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<MeshHeading><DescriptorName UI="D054477" MajorTopicYN="N">Glutaredoxins</DescriptorName>
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<MeshHeading><DescriptorName UI="D008969" MajorTopicYN="N">Molecular Sequence Data</DescriptorName>
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<MeshHeading><DescriptorName UI="D010084" MajorTopicYN="N">Oxidation-Reduction</DescriptorName>
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<MeshHeading><DescriptorName UI="D050862" MajorTopicYN="N">Oxidoreductases Acting on Sulfur Group Donors</DescriptorName>
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<MeshHeading><DescriptorName UI="D042084" MajorTopicYN="N">Paracoccus pantotrophus</DescriptorName>
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<MeshHeading><DescriptorName UI="D011490" MajorTopicYN="N">Protein Disulfide Reductase (Glutathione)</DescriptorName>
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<QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName>
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<MeshHeading><DescriptorName UI="D012645" MajorTopicYN="N">Selenomethionine</DescriptorName>
<QualifierName UI="Q000737" MajorTopicYN="N">chemistry</QualifierName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D016415" MajorTopicYN="N">Sequence Alignment</DescriptorName>
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<MeshHeading><DescriptorName UI="D017386" MajorTopicYN="N">Sequence Homology, Amino Acid</DescriptorName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D013329" MajorTopicYN="N">Structure-Activity Relationship</DescriptorName>
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<MeshHeading><DescriptorName UI="D013455" MajorTopicYN="N">Sulfur</DescriptorName>
<QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName>
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<MeshHeading><DescriptorName UI="D013879" MajorTopicYN="N">Thioredoxins</DescriptorName>
<QualifierName UI="Q000737" MajorTopicYN="N">chemistry</QualifierName>
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<PubmedData><History><PubMedPubDate PubStatus="received"><Year>2008</Year>
<Month>09</Month>
<Day>26</Day>
</PubMedPubDate>
<PubMedPubDate PubStatus="accepted"><Year>2008</Year>
<Month>12</Month>
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<ArticleIdList><ArticleId IdType="pubmed">19237745</ArticleId>
<ArticleId IdType="pii">S0907444908043023</ArticleId>
<ArticleId IdType="doi">10.1107/S0907444908043023</ArticleId>
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<affiliations><list><country><li>Allemagne</li>
</country>
<region><li>Schleswig-Holstein</li>
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<settlement><li>Kiel</li>
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<tree><noCountry><name sortKey="Friedrich, Cornelius G" sort="Friedrich, Cornelius G" uniqKey="Friedrich C" first="Cornelius G" last="Friedrich">Cornelius G. Friedrich</name>
<name sortKey="Rother, Dagmar" sort="Rother, Dagmar" uniqKey="Rother D" first="Dagmar" last="Rother">Dagmar Rother</name>
<name sortKey="Scheidig, Axel J" sort="Scheidig, Axel J" uniqKey="Scheidig A" first="Axel J" last="Scheidig">Axel J. Scheidig</name>
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<country name="Allemagne"><region name="Schleswig-Holstein"><name sortKey="Carius, Yvonne" sort="Carius, Yvonne" uniqKey="Carius Y" first="Yvonne" last="Carius">Yvonne Carius</name>
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