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- EMDB-18645: Cryo-EM structure of Streptococcus pneumoniae NADPH oxidase in co... -
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Open data
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Basic information
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Title | Cryo-EM structure of Streptococcus pneumoniae NADPH oxidase in complex with NADPH | |||||||||
![]() | Main map used for atomic model building and figures. | |||||||||
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![]() | NADPH oxidase / ROS producing / flavoprotein / heme protein / MEMBRANE PROTEIN | |||||||||
Function / homology | ![]() 2 iron, 2 sulfur cluster binding / flavin adenine dinucleotide binding / oxidoreductase activity / membrane Similarity search - Function | |||||||||
Biological species | ![]() ![]() | |||||||||
Method | single particle reconstruction / cryo EM / Resolution: 2.2 Å | |||||||||
![]() | Dubach VRA / San Segundo-Acosta P / Murphy BJ | |||||||||
Funding support | ![]()
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![]() | ![]() Title: Structural and mechanistic insight into Streptococcus pneumoniae NADPH oxidase Authors: Dubach VRA / San Segundo-Acosta P / Murphy BJ | |||||||||
History |
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Structure visualization
Supplemental images |
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Downloads & links
-EMDB archive
Map data | ![]() | 79 MB | ![]() | |
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Header (meta data) | ![]() ![]() | 22.9 KB 22.9 KB | Display Display | ![]() |
FSC (resolution estimation) | ![]() | 9.7 KB | Display | ![]() |
Images | ![]() | 112.7 KB | ||
Masks | ![]() | 83.7 MB | ![]() | |
Filedesc metadata | ![]() | 7.2 KB | ||
Others | ![]() ![]() ![]() | 42.3 MB 77.8 MB 77.8 MB | ||
Archive directory | ![]() ![]() | HTTPS FTP |
-Validation report
Summary document | ![]() | 931 KB | Display | ![]() |
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Full document | ![]() | 930.5 KB | Display | |
Data in XML | ![]() | 17.3 KB | Display | |
Data in CIF | ![]() | 22.1 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 8qt7MC ![]() 8qt6C ![]() 8qt9C M: atomic model generated by this map C: citing same article ( |
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Similar structure data | Similarity search - Function & homology ![]() |
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Links
EMDB pages | ![]() ![]() |
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Related items in Molecule of the Month |
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Map
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Annotation | Main map used for atomic model building and figures. | ||||||||||||||||||||||||||||||||||||
Projections & slices | Image control
Images are generated by Spider. | ||||||||||||||||||||||||||||||||||||
Voxel size | X=Y=Z: 0.9168 Å | ||||||||||||||||||||||||||||||||||||
Density |
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Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||
Details | EMDB XML:
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-Supplemental data
-Mask #1
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Projections & Slices |
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Density Histograms |
-Additional map: Raw unsharpened map obtained in cryoSPARC after merging...
File | emd_18645_additional_1.map | ||||||||||||
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Annotation | Raw unsharpened map obtained in cryoSPARC after merging of the half maps. | ||||||||||||
Projections & Slices |
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Density Histograms |
-Half map: Half map B used during refinement and gold...
File | emd_18645_half_map_1.map | ||||||||||||
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Annotation | Half map B used during refinement and gold standard FSC resolution estimation. | ||||||||||||
Projections & Slices |
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Density Histograms |
-Half map: Half map A used during refinement and gold...
File | emd_18645_half_map_2.map | ||||||||||||
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Annotation | Half map A used during refinement and gold standard FSC resolution estimation. | ||||||||||||
Projections & Slices |
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Density Histograms |
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Sample components
-Entire : Streptococcus pneumoniae NADPH oxidase with FAD and heme cofactors
Entire | Name: Streptococcus pneumoniae NADPH oxidase with FAD and heme cofactors |
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Components |
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-Supramolecule #1: Streptococcus pneumoniae NADPH oxidase with FAD and heme cofactors
Supramolecule | Name: Streptococcus pneumoniae NADPH oxidase with FAD and heme cofactors type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1 |
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Source (natural) | Organism: ![]() ![]() |
Molecular weight | Theoretical: 46 KDa |
-Macromolecule #1: FAD-binding FR-type domain-containing protein
Macromolecule | Name: FAD-binding FR-type domain-containing protein / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() ![]() |
Molecular weight | Theoretical: 46.060551 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: EFSMKSVKGL LFIIASFILT LLTWMNTSPQ FMIPGLALTS LSLTFILATR LPLLESWFHS LEKVYTVHKF TAFLSIILLI FHNFSMGGL WGSRLAAQFG NLAIYIFASI ILVAYLGKYI QYEAWRWIHR LVYLAYILGL FHIYMIMGNR LLTFNLLSFL V GSYALLGL ...String: EFSMKSVKGL LFIIASFILT LLTWMNTSPQ FMIPGLALTS LSLTFILATR LPLLESWFHS LEKVYTVHKF TAFLSIILLI FHNFSMGGL WGSRLAAQFG NLAIYIFASI ILVAYLGKYI QYEAWRWIHR LVYLAYILGL FHIYMIMGNR LLTFNLLSFL V GSYALLGL LAGFYIIFLY QKISFPYLGK ITHLKRLNHD TREIQIHLSR PFNYQSGQFA FLKIFQEGFE SAPHPFSISG GH GQTLYFT VKTSGDHTKN IYDNLQAGSK VTLDRAYGHM IIEEGRENQV WIAGGIGITP FISYIREHPI LDKQVHFYYS FRG DENAVY LDLLRNYAQK NPNFELHLID STKDGYLNFE QKEVPEHATV YMCGPISMMK ALAKQIKKQN PKTELIYEGF KFK UniProtKB: FAD-binding FR-type domain-containing protein |
-Macromolecule #2: NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE
Macromolecule | Name: NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE type: ligand / ID: 2 / Number of copies: 1 / Formula: NDP |
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Molecular weight | Theoretical: 745.421 Da |
Chemical component information | ![]() ChemComp-NDP: |
-Macromolecule #3: FLAVIN-ADENINE DINUCLEOTIDE
Macromolecule | Name: FLAVIN-ADENINE DINUCLEOTIDE / type: ligand / ID: 3 / Number of copies: 1 / Formula: FAD |
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Molecular weight | Theoretical: 785.55 Da |
Chemical component information | ![]() ChemComp-FAD: |
-Macromolecule #4: PROTOPORPHYRIN IX CONTAINING FE
Macromolecule | Name: PROTOPORPHYRIN IX CONTAINING FE / type: ligand / ID: 4 / Number of copies: 2 / Formula: HEM |
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Molecular weight | Theoretical: 616.487 Da |
Chemical component information | ![]() ChemComp-HEM: |
-Macromolecule #5: water
Macromolecule | Name: water / type: ligand / ID: 5 / Number of copies: 65 / Formula: HOH |
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Molecular weight | Theoretical: 18.015 Da |
Chemical component information | ![]() ChemComp-HOH: |
-Experimental details
-Structure determination
Method | cryo EM |
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![]() | single particle reconstruction |
Aggregation state | particle |
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Sample preparation
Concentration | 6 mg/mL | ||||||||||||||||||
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Buffer | pH: 7.5 Component:
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Grid | Model: UltrAuFoil R1.2/1.3 / Material: GOLD / Mesh: 400 / Support film - Material: GOLD / Support film - topology: HOLEY / Pretreatment - Type: GLOW DISCHARGE / Pretreatment - Time: 90 sec. | ||||||||||||||||||
Vitrification | Cryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 277 K / Instrument: FEI VITROBOT MARK III |
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Electron microscopy
Microscope | TFS KRIOS |
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Specialist optics | Energy filter - Name: TFS Selectris X / Energy filter - Slit width: 10 eV |
Image recording | Film or detector model: FEI FALCON IV (4k x 4k) / Digitization - Dimensions - Width: 4096 pixel / Digitization - Dimensions - Height: 4096 pixel / Number grids imaged: 1 / Number real images: 22259 / Average exposure time: 3.96 sec. / Average electron dose: 70.0 e/Å2 / Details: Movies were collected in EER format. |
Electron beam | Acceleration voltage: 300 kV / Electron source: ![]() |
Electron optics | C2 aperture diameter: 50.0 µm / Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Cs: 2.7 mm / Nominal defocus max: 2.1 µm / Nominal defocus min: 0.7000000000000001 µm / Nominal magnification: 215000 |
Sample stage | Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Cooling holder cryogen: NITROGEN |
Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
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Image processing
-Atomic model buiding 1
Initial model | Chain - Source name: Other / Chain - Initial model type: experimental model Details: Initial model was the previously made SpNOX model without substrate bound |
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Details | Initial model was fit using ChimeraX and refined with Coot and PHENIX. |
Refinement | Space: REAL / Protocol: RIGID BODY FIT / Target criteria: Cross-correlation coefficient |
Output model | ![]() PDB-8qt7: |