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Yorodumi- PDB-9qex: Structure of native leukocyte myeloperoxidase in complex with a t... -
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Open data
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Basic information
| Entry | Database: PDB / ID: 9qex | |||||||||
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| Title | Structure of native leukocyte myeloperoxidase in complex with a truncated version of the Staphylococcal Peroxidase Inhibitor SPIN and thiocyanate at pH 7.5 | |||||||||
Components | (Myeloperoxidase ...) x 3 | |||||||||
Keywords | OXIDOREDUCTASE / Innate immunity / enzyme substrate complex / inhibitor | |||||||||
| Function / homology | Function and homology informationmyeloperoxidase / hypochlorous acid biosynthetic process / Events associated with phagocytolytic activity of PMN cells / phagocytic vesicle lumen / response to gold nanoparticle / response to yeast / respiratory burst involved in defense response / low-density lipoprotein particle remodeling / azurophil granule / response to food ...myeloperoxidase / hypochlorous acid biosynthetic process / Events associated with phagocytolytic activity of PMN cells / phagocytic vesicle lumen / response to gold nanoparticle / response to yeast / respiratory burst involved in defense response / low-density lipoprotein particle remodeling / azurophil granule / response to food / defense response to fungus / response to mechanical stimulus / removal of superoxide radicals / secretory granule / hydrogen peroxide catabolic process / peroxidase activity / defense response / azurophil granule lumen / heparin binding / response to oxidative stress / response to lipopolysaccharide / lysosome / defense response to bacterium / intracellular membrane-bounded organelle / heme binding / Neutrophil degranulation / chromatin binding / negative regulation of apoptotic process / extracellular space / extracellular exosome / extracellular region / nucleoplasm / metal ion binding / nucleus Similarity search - Function | |||||||||
| Biological species | ![]() Homo sapiens (human) | |||||||||
| Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.903 Å | |||||||||
Authors | Leitgeb, U. / Pfanzagl, V. | |||||||||
| Funding support | Austria, 2items
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Citation | Journal: Int.J.Biol.Macromol. / Year: 2025Title: Halide binding by myeloperoxidase is regulated by access channel dynamics and charge interactions. Authors: Leitgeb, U. / Crha, R. / Fegerl, I. / Furtmuller, P.G. / Oostenbrink, C. / Pfanzagl, V. | |||||||||
| History |
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Structure visualization
| Structure viewer | Molecule: Molmil Jmol/JSmol |
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Downloads & links
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Download
| PDBx/mmCIF format | 9qex.cif.gz | 1.2 MB | Display | PDBx/mmCIF format |
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| PDB format | pdb9qex.ent.gz | 824.1 KB | Display | PDB format |
| PDBx/mmJSON format | 9qex.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Summary document | 9qex_validation.pdf.gz | 2.8 MB | Display | wwPDB validaton report |
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| Full document | 9qex_full_validation.pdf.gz | 2.8 MB | Display | |
| Data in XML | 9qex_validation.xml.gz | 67.2 KB | Display | |
| Data in CIF | 9qex_validation.cif.gz | 90 KB | Display | |
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/qe/9qex ftp://data.pdbj.org/pub/pdb/validation_reports/qe/9qex | HTTPS FTP |
-Related structure data
| Related structure data | ![]() 9qe3C ![]() 9qgaC ![]() 9qj3C ![]() 9qjoC ![]() 9sdsC C: citing same article ( |
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| Similar structure data | Similarity search - Function & homology F&H Search |
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Links
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Assembly
| Deposited unit | ![]()
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| Noncrystallographic symmetry (NCS) | NCS domain:
NCS domain segments:
NCS ensembles :
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Components
-Myeloperoxidase ... , 3 types, 6 molecules BDEFAC
| #1: Protein | Mass: 53337.266 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Details: Heavy chain of myeloperoxidase / Source: (natural) Homo sapiens (human) / References: UniProt: P05164#2: Protein | Mass: 6922.719 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Details: A truncated version of the staphylococcal peroxidase inhibitor SPIN aureus Source: (gene. exp.) ![]() ![]() #3: Protein | Mass: 12894.465 Da / Num. of mol.: 2 / Fragment: UNP RESIDUES 167-271 / Source method: isolated from a natural source / Details: Light chain of Myeloperoxidase / Source: (natural) Homo sapiens (human) / References: UniProt: P05164 |
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-Sugars , 4 types, 6 molecules 
| #4: Polysaccharide | Source method: isolated from a genetically manipulated source #5: Polysaccharide | alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2- ...alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose | Source method: isolated from a genetically manipulated source #6: Polysaccharide | 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose- ...2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-3)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose | Type: oligosaccharide / Mass: 1260.157 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source #7: Sugar | |
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-Non-polymers , 4 types, 794 molecules 






| #8: Chemical | | #9: Chemical | ChemComp-SCN / #10: Chemical | #11: Water | ChemComp-HOH / | |
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-Details
| Has ligand of interest | Y |
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| Has protein modification | Y |
-Experimental details
-Experiment
| Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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Sample preparation
| Crystal | Density Matthews: 2.33 Å3/Da / Density % sol: 47.3 % / Description: Rhomboid |
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| Crystal grow | Temperature: 295.15 K / Method: vapor diffusion, sitting drop / pH: 7.5 Details: 0.1 M TRIS 7.5 pH (Buffer) 4 %(w/v) PEG 8K (Precipitant) 10 %(w/v) PEG 1K (Precipitant) 0.4 M KSCN (Salt) |
-Data collection
| Diffraction | Mean temperature: 213.15 K / Serial crystal experiment: N |
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| Diffraction source | Source: SYNCHROTRON / Site: ESRF / Beamline: ID23-1 / Wavelength: 0.8856 Å |
| Detector | Type: DECTRIS EIGER X 16M / Detector: PIXEL / Date: Mar 5, 2023 / Details: Toroidal mirror |
| Radiation | Monochromator: Si(111) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
| Radiation wavelength | Wavelength: 0.8856 Å / Relative weight: 1 |
| Reflection | Resolution: 1.9→101.192 Å / Num. obs: 86444 / % possible obs: 93.3 % / Redundancy: 9.1 % / CC1/2: 0.977 / Rmerge(I) obs: 0.256 / Rpim(I) all: 0.09 / Rrim(I) all: 0.272 / Net I/σ(I): 6.7 |
| Reflection shell | Resolution: 1.9→2.101 Å / Redundancy: 7.7 % / Rmerge(I) obs: 3.456 / Mean I/σ(I) obs: 1.7 / Num. unique obs: 4322 / CC1/2: 0.241 / Rpim(I) all: 1.372 / Rrim(I) all: 3.729 / % possible all: 66.4 |
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Processing
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| Refinement | Method to determine structure: MOLECULAR REPLACEMENT / Resolution: 1.903→101.192 Å / Cor.coef. Fo:Fc: 0.962 / Cor.coef. Fo:Fc free: 0.935 / SU B: 8.169 / SU ML: 0.122 / Cross valid method: THROUGHOUT / ESU R: 0.199 / ESU R Free: 0.172 Details: Hydrogens have been added in their riding positions
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| Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK BULK SOLVENT | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Displacement parameters | Biso mean: 38.466 Å2
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| Refinement step | Cycle: LAST / Resolution: 1.903→101.192 Å
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| Refine LS restraints |
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| Refine LS restraints NCS |
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| LS refinement shell | Refine-ID: X-RAY DIFFRACTION / Total num. of bins used: 20
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| Refinement TLS params. | Method: refined / Refine-ID: X-RAY DIFFRACTION
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| Refinement TLS group |
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About Yorodumi




Homo sapiens (human)
X-RAY DIFFRACTION
Austria, 2items
Citation




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