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Yorodumi- PDB-6i9a: Porphyromonas gingivalis gingipain K (Kgp) in complex with inhibi... -
+Open data
-Basic information
Entry | Database: PDB / ID: 6i9a | ||||||
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Title | Porphyromonas gingivalis gingipain K (Kgp) in complex with inhibitor KYT-36 | ||||||
Components | Lys-gingipain W83 | ||||||
Keywords | HYDROLASE / peptidase inhibitor / custeine peptidase / gingipain / periodontopathogen / periodontal disease / Porphyromonas gingivalis | ||||||
Function / homology | Function and homology information gingipain K / hemolysis in another organism / cysteine-type endopeptidase activity / calcium ion binding / proteolysis / extracellular region Similarity search - Function | ||||||
Biological species | Porphyromonas gingivalis (bacteria) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.2 Å | ||||||
Authors | Gomis-Ruth, F.X. / Guevara, T. / Rofdriguez-Banqueri, A. | ||||||
Citation | Journal: Sci Rep / Year: 2019 Title: Structural determinants of inhibition of Porphyromonas gingivalis gingipain K by KYT-36, a potent, selective, and bioavailable peptidase inhibitor. Authors: Guevara, T. / Rodriguez-Banqueri, A. / Lasica, A.M. / Ksiazek, M. / Potempa, B.A. / Potempa, J. / Gomis-Ruth, F.X. #1: Journal: J. Biol. Chem. / Year: 2017 Title: Structural insights unravel the zymogenic mechanism of the virulence factor gingipain K from Authors: Pomowski, A. / Uson, I. / Nowakowska, Z. / Veillard, F. / Sztukowska, M.N. / Guevara, T. / Goulas, T. / Mizgalska, D. / Nowak, M. / Potempa, B. / Huntington, J.A. / Potempa, J. / Gomis-Rueth, F.X. #2: Journal: J. Biol. Chem. / Year: 2014 Title: Structure and mechanism of cysteine peptidase gingipain K (Kgp), a major virulence factor of Porphyromonas gingivalis in periodontitis. Authors: de Diego, I. / Veillard, F. / Sztukowska, M.N. / Guevara, T. / Potempa, B. / Pomowski, A. / Huntington, J.A. / Potempa, J. / Gomis-Rueth, F.X. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 6i9a.cif.gz | 416.6 KB | Display | PDBx/mmCIF format |
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PDB format | pdb6i9a.ent.gz | 334.3 KB | Display | PDB format |
PDBx/mmJSON format | 6i9a.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/i9/6i9a ftp://data.pdbj.org/pub/pdb/validation_reports/i9/6i9a | HTTPS FTP |
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-Related structure data
Related structure data | 4rbmS S: Starting model for refinement |
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Similar structure data |
-Links
-Assembly
Deposited unit |
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1 |
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2 |
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Unit cell |
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-Components
-Protein , 1 types, 2 molecules AB
#1: Protein | Mass: 51012.785 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Porphyromonas gingivalis (bacteria) / Gene: kgp, prtK, prtP Production host: Porphyromonas gingivalis ATCC 33277 (bacteria) References: UniProt: Q51817, gingipain K |
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-Non-polymers , 8 types, 1603 molecules
#2: Chemical | ChemComp-UNX / #3: Chemical | ChemComp-NA / #4: Chemical | ChemComp-CA / #5: Chemical | #6: Chemical | #7: Chemical | ChemComp-GOL / #8: Chemical | ChemComp-DTV / ( | #9: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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-Sample preparation
Crystal | Density Matthews: 2.39 Å3/Da / Density % sol: 48.5 % / Description: Orthorhombic |
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Crystal grow | Temperature: 293 K / Method: vapor diffusion, sitting drop / pH: 7.5 / Details: 20% PEG 8000, 0.1 M HEPES, pH 7.5 |
-Data collection
Diffraction | Mean temperature: 100 K / Serial crystal experiment: N |
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Diffraction source | Source: SYNCHROTRON / Site: ALBA / Beamline: XALOC / Wavelength: 0.97949 Å |
Detector | Type: DECTRIS PILATUS3 6M / Detector: PIXEL / Date: Sep 12, 2014 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.97949 Å / Relative weight: 1 |
Reflection | Resolution: 1.2→72.2 Å / Num. obs: 290672 / % possible obs: 95.8 % / Redundancy: 10.1 % / Biso Wilson estimate: 10.78 Å2 / CC1/2: 1 / Rmerge(I) obs: 0.065 / Rrim(I) all: 0.068 / Net I/σ(I): 19.6 |
Reflection shell | Resolution: 1.2→1.27 Å / Redundancy: 5.2 % / Rmerge(I) obs: 0.726 / Mean I/σ(I) obs: 2.9 / CC1/2: 0.843 / Rrim(I) all: 0.8 / % possible all: 75.2 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: 4RBM Resolution: 1.2→72.19 Å / Cor.coef. Fo:Fc: 0.962 / Cor.coef. Fo:Fc free: 0.972 / SU R Cruickshank DPI: 0.034 / Cross valid method: THROUGHOUT / σ(F): 0 / SU R Blow DPI: 0.037 / SU Rfree Blow DPI: 0.035 / SU Rfree Cruickshank DPI: 0.032
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Displacement parameters | Biso mean: 16.3 Å2
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Refine analyze | Luzzati coordinate error obs: 0.12 Å | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 1.2→72.19 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 1.2→1.21 Å / Total num. of bins used: 50
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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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