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Open data
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Basic information
| Entry | Database: PDB / ID: 7dkb | ||||||||||||||||||||||||||||||
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| Title | Stenotrophomonas maltophilia DPP7 in complex with Val-Tyr | ||||||||||||||||||||||||||||||
Components | Dipeptidyl-peptidase | ||||||||||||||||||||||||||||||
Keywords | HYDROLASE / dipeptidyl aminopeptidase / S46 / AMR / Microgravity / antimicrobial / chymotrypsin / serine protease | ||||||||||||||||||||||||||||||
| Function / homology | Function and homology informationHydrolases; Acting on peptide bonds (peptidases); Dipeptidyl-peptidases and tripeptidyl-peptidases / serine-type aminopeptidase activity / dipeptidyl-peptidase activity / peptide catabolic process / proteolysis Similarity search - Function | ||||||||||||||||||||||||||||||
| Biological species | Stenotrophomonas maltophilia (bacteria) | ||||||||||||||||||||||||||||||
| Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.03 Å | ||||||||||||||||||||||||||||||
Authors | Sakamoto, Y. / Nakamura, A. / Suzuki, Y. / Honma, N. / Roppongi, S. / Kushibiki, C. / Yonezawa, N. / Takahashi, M. / Shida, Y. / Gouda, H. ...Sakamoto, Y. / Nakamura, A. / Suzuki, Y. / Honma, N. / Roppongi, S. / Kushibiki, C. / Yonezawa, N. / Takahashi, M. / Shida, Y. / Gouda, H. / Nonaka, T. / Ogasawara, W. / Tanaka, N. | ||||||||||||||||||||||||||||||
| Funding support | Japan, 9items
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Citation | Journal: Sci Rep / Year: 2021Title: Structural basis for an exceptionally strong preference for asparagine residue at the S2 subsite of Stenotrophomonas maltophilia dipeptidyl peptidase 7. Authors: Nakamura, A. / Suzuki, Y. / Sakamoto, Y. / Roppongi, S. / Kushibiki, C. / Yonezawa, N. / Takahashi, M. / Shida, Y. / Gouda, H. / Nonaka, T. / Tanaka, N. / Ogasawara, W. | ||||||||||||||||||||||||||||||
| 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 | 7dkb.cif.gz | 291 KB | Display | PDBx/mmCIF format |
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| PDB format | pdb7dkb.ent.gz | 226 KB | Display | PDB format |
| PDBx/mmJSON format | 7dkb.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Summary document | 7dkb_validation.pdf.gz | 474.2 KB | Display | wwPDB validaton report |
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| Full document | 7dkb_full_validation.pdf.gz | 488.3 KB | Display | |
| Data in XML | 7dkb_validation.xml.gz | 52.6 KB | Display | |
| Data in CIF | 7dkb_validation.cif.gz | 75.1 KB | Display | |
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/dk/7dkb ftp://data.pdbj.org/pub/pdb/validation_reports/dk/7dkb | HTTPS FTP |
-Related structure data
| Related structure data | ![]() 7dkcC ![]() 7dkdC ![]() 7dkeC ![]() 3wolS S: Starting model for refinement C: citing same article ( |
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| Similar structure data |
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Links
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Assembly
| Deposited unit | ![]()
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| Unit cell |
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Components
| #1: Protein | Mass: 78061.461 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Stenotrophomonas maltophilia (strain R551-3) (bacteria)Strain: R551-3 / Gene: Smal_0807 / Plasmid: pET22b / Production host: ![]() References: UniProt: B4SLK2, Hydrolases; Acting on peptide bonds (peptidases); Dipeptidyl-peptidases and tripeptidyl-peptidases #2: Chemical | #3: Chemical | #4: Water | ChemComp-HOH / | Has protein modification | Y | |
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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: 2.43 Å3/Da / Density % sol: 49.48 % |
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| Crystal grow | Temperature: 293 K / Method: vapor diffusion, hanging drop / pH: 8.5 / Details: 0.2M Amm Acetate, 20%w/v PEG 8000 |
-Data collection
| Diffraction | Mean temperature: 95 K / Serial crystal experiment: N |
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| Diffraction source | Source: SYNCHROTRON / Site: SPring-8 / Beamline: BL44XU / Wavelength: 0.9 Å |
| Detector | Type: RAYONIX MX300HE / Detector: CCD / Date: Oct 2, 2015 |
| Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
| Radiation wavelength | Wavelength: 0.9 Å / Relative weight: 1 |
| Reflection | Resolution: 1.94→45.75 Å / Num. obs: 100498 / % possible obs: 93.7 % / Redundancy: 7.6 % / Biso Wilson estimate: 18.556 Å2 / CC1/2: 0.397 / Rmerge(I) obs: 0.256 / Rpim(I) all: 0.1 / Rrim(I) all: 0.275 / Net I/σ(I): 7.9 |
| Reflection shell | Resolution: 1.94→1.97 Å / Redundancy: 7.5 % / Rmerge(I) obs: 1.487 / Mean I/σ(I) obs: 1.4 / Num. unique obs: 3191 / CC1/2: 0.397 / Rpim(I) all: 0.576 / % possible all: 60.1 |
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Processing
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| Refinement | Method to determine structure: MOLECULAR REPLACEMENTStarting model: 3WOL Resolution: 2.03→40 Å / Cor.coef. Fo:Fc: 0.939 / Cor.coef. Fo:Fc free: 0.913 / SU B: 5.408 / SU ML: 0.142 / Cross valid method: FREE R-VALUE / ESU R: 0.213 / ESU R Free: 0.182 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: 29.45 Å2
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| Refinement step | Cycle: LAST / Resolution: 2.03→40 Å
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| Refine LS restraints |
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| LS refinement shell | Refine-ID: X-RAY DIFFRACTION / Total num. of bins used: 20
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About Yorodumi




Stenotrophomonas maltophilia (bacteria)
X-RAY DIFFRACTION
Japan, 9items
Citation











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