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- PDB-7znq: ABC transporter complex NosDFYL in GDN -

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Basic information

Entry
Database: PDB / ID: 7znq
TitleABC transporter complex NosDFYL in GDN
Components
  • (Probable ABC transporter ...) x 3
  • Copper-binding lipoprotein NosL
KeywordsMEMBRANE PROTEIN / ATP-binding-cassette transporter complex NosDFYL
Function / homology
Function and homology information


ABC-type transporter activity / periplasmic space / ATP hydrolysis activity / ATP binding / metal ion binding / plasma membrane
Similarity search - Function
Nitrous oxide reductase accessory protein NosL / NosL / Nitrous oxide reductase family maturation protein NosD / ABC-2 family transporter protein / ABC-2 family transporter protein / Parallel beta-helix repeat-2 / Periplasmic copper-binding protein NosD, beta helix domain / Carbohydrate-binding/sugar hydrolysis domain / Domain present in carbohydrate binding proteins and sugar hydrolses / Periplasmic copper-binding protein (NosD) ...Nitrous oxide reductase accessory protein NosL / NosL / Nitrous oxide reductase family maturation protein NosD / ABC-2 family transporter protein / ABC-2 family transporter protein / Parallel beta-helix repeat-2 / Periplasmic copper-binding protein NosD, beta helix domain / Carbohydrate-binding/sugar hydrolysis domain / Domain present in carbohydrate binding proteins and sugar hydrolses / Periplasmic copper-binding protein (NosD) / Parallel beta-helix repeat / Parallel beta-helix repeats / Pectin lyase fold / Pectin lyase fold/virulence factor / ABC transporter-like, conserved site / ABC transporters family signature. / ABC transporter / ABC transporter-like, ATP-binding domain / ATP-binding cassette, ABC transporter-type domain profile. / Prokaryotic membrane lipoprotein lipid attachment site profile. / ATPases associated with a variety of cellular activities / AAA+ ATPase domain / P-loop containing nucleoside triphosphate hydrolase
Similarity search - Domain/homology
COPPER (II) ION / Probable ABC transporter binding protein NosD / Probable ABC transporter ATP-binding protein NosF / Probable ABC transporter permease protein NosY / Copper-binding lipoprotein NosL
Similarity search - Component
Biological speciesPseudomonas stutzeri ATCC 14405 = CCUG 16156 (bacteria)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.04 Å
AuthorsZhang, L. / Mueller, C. / Zipfel, S. / Chami, M. / Einsle, O.
Funding supportEuropean Union, Germany, 3items
OrganizationGrant numberCountry
European Research Council (ERC)310656European Union
German Research Foundation (DFG)403222702 Germany
German Research Foundation (DFG)192904750 Germany
CitationJournal: Nature / Year: 2022
Title: Molecular interplay of an assembly machinery for nitrous oxide reductase.
Authors: Christoph Müller / Lin Zhang / Sara Zipfel / Annika Topitsch / Marleen Lutz / Johannes Eckert / Benedikt Prasser / Mohamed Chami / Wei Lü / Juan Du / Oliver Einsle /
Abstract: Emissions of the critical ozone-depleting and greenhouse gas nitrous oxide (NO) from soils and industrial processes have increased considerably over the last decades. As the final step of bacterial ...Emissions of the critical ozone-depleting and greenhouse gas nitrous oxide (NO) from soils and industrial processes have increased considerably over the last decades. As the final step of bacterial denitrification, NO is reduced to chemically inert N (refs. ) in a reaction that is catalysed by the copper-dependent nitrous oxide reductase (NOR) (ref. ). The assembly of its unique [4Cu:2S] active site cluster Cu requires both the ATP-binding-cassette (ABC) complex NosDFY and the membrane-anchored copper chaperone NosL (refs. ). Here we report cryo-electron microscopy structures of Pseudomonas stutzeri NosDFY and its complexes with NosL and NOR, respectively. We find that the periplasmic NosD protein contains a binding site for a Cu ion and interacts specifically with NosL in its nucleotide-free state, whereas its binding to NOR requires a conformational change that is triggered by ATP binding. Mutually exclusive structures of NosDFY in complex with NosL and with NOR reveal a sequential metal-trafficking and assembly pathway for a highly complex copper site. Within this pathway, NosDFY acts as a mechanical energy transducer rather than as a transporter. It links ATP hydrolysis in the cytoplasm to a conformational transition of the NosD subunit in the periplasm, which is required for NosDFY to switch its interaction partner so that copper ions are handed over from the chaperone NosL to the enzyme NOR.
History
DepositionApr 21, 2022Deposition site: PDBE / Processing site: PDBE
Revision 1.0Aug 3, 2022Provider: repository / Type: Initial release
Revision 1.1Aug 10, 2022Group: Database references / Category: citation / citation_author
Item: _citation.country / _citation.journal_abbrev ..._citation.country / _citation.journal_abbrev / _citation.journal_id_ASTM / _citation.journal_id_CSD / _citation.journal_id_ISSN / _citation.pdbx_database_id_DOI / _citation.pdbx_database_id_PubMed / _citation.title / _citation.year / _citation_author.identifier_ORCID / _citation_author.name
Revision 1.2Aug 31, 2022Group: Database references / Category: citation / citation_author
Item: _citation.journal_volume / _citation.page_first ..._citation.journal_volume / _citation.page_first / _citation.page_last / _citation_author.identifier_ORCID
Revision 1.3Oct 26, 2022Group: Database references / Category: citation_author / Item: _citation_author.identifier_ORCID

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
f: Probable ABC transporter ATP-binding protein NosF
F: Probable ABC transporter ATP-binding protein NosF
Y: Probable ABC transporter permease protein NosY
y: Probable ABC transporter permease protein NosY
D: Probable ABC transporter binding protein NosD
L: Copper-binding lipoprotein NosL
hetero molecules


Theoretical massNumber of molelcules
Total (without water)196,4669
Polymers196,3136
Non-polymers1533
Water0
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: electron microscopy
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

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Probable ABC transporter ... , 3 types, 5 molecules fFYyD

#1: Protein Probable ABC transporter ATP-binding protein NosF


Mass: 33821.703 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Pseudomonas stutzeri ATCC 14405 = CCUG 16156 (bacteria)
Production host: Escherichia coli BL21(DE3) (bacteria) / Variant (production host): C43 / References: UniProt: P19844
#2: Protein Probable ABC transporter permease protein NosY


Mass: 29449.203 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Pseudomonas stutzeri ATCC 14405 = CCUG 16156 (bacteria)
Production host: Escherichia coli BL21(DE3) (bacteria) / Variant (production host): C43 / References: UniProt: P19845
#3: Protein Probable ABC transporter binding protein NosD


Mass: 48258.500 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Pseudomonas stutzeri ATCC 14405 = CCUG 16156 (bacteria)
Production host: Escherichia coli BL21(DE3) (bacteria) / Variant (production host): C43 / References: UniProt: P19843

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Protein , 1 types, 1 molecules L

#4: Protein Copper-binding lipoprotein NosL


Mass: 21512.299 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Pseudomonas stutzeri ATCC 14405 = CCUG 16156 (bacteria)
Gene: nosL / Production host: Escherichia coli BL21(DE3) (bacteria) / Variant (production host): C43 / References: UniProt: Q52529

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Non-polymers , 3 types, 3 molecules

#5: Chemical ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Mg
#6: Chemical ChemComp-CU / COPPER (II) ION / Copper


Mass: 63.546 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Cu / Feature type: SUBJECT OF INVESTIGATION
#7: Chemical ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Zn / Feature type: SUBJECT OF INVESTIGATION

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Details

Has ligand of interestY

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Experimental details

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Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentAggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction

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Sample preparation

ComponentName: Hetero-hexameric complex of NosDF2Y2L / Type: COMPLEX / Entity ID: #1-#4 / Source: RECOMBINANT
Molecular weightValue: 0.192 MDa / Experimental value: NO
Source (natural)Organism: Pseudomonas stutzeri ATCC 14405 = CCUG 16156 (bacteria)
Source (recombinant)Organism: Escherichia coli (E. coli)
Buffer solutionpH: 8
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationCryogen name: ETHANE

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: FEI TITAN KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: SPOT SCAN
Electron lensMode: BRIGHT FIELDBright-field microscopy / Nominal defocus max: 2000 nm / Nominal defocus min: 1000 nm
Image recordingElectron dose: 50 e/Å2 / Film or detector model: GATAN K2 SUMMIT (4k x 4k)

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Processing

SoftwareName: PHENIX / Version: 1.20.1_4487: / Classification: refinement
CTF correctionType: NONE
3D reconstructionResolution: 3.04 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 420836 / Symmetry type: POINT
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.00413104
ELECTRON MICROSCOPYf_angle_d0.86817778
ELECTRON MICROSCOPYf_dihedral_angle_d5.0991808
ELECTRON MICROSCOPYf_chiral_restr0.052039
ELECTRON MICROSCOPYf_plane_restr0.0062282

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