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Yorodumi- PDB-2qaa: Crystal structure of the second tetrahedral intermediates of SGPB... -
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Open data
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Basic information
| Entry | Database: PDB / ID: 2qaa | ||||||
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| Title | Crystal structure of the second tetrahedral intermediates of SGPB at pH 7.3 | ||||||
Components | Streptogrisin-B | ||||||
Keywords | HYDROLASE / CHYMOTRYPSIN-TYPE SERINE PEPTIDASE / SECOND TETRAHEDRAL INTERMEDIATES / SINGLE AMINO ACIDS / BETA BARRELS / ALPHA HELIX | ||||||
| Function / homology | Function and homology informationstreptogrisin B / serine-type endopeptidase activity / proteolysis / extracellular region Similarity search - Function | ||||||
| Biological species | Streptomyces griseus (bacteria) | ||||||
| Method | X-RAY DIFFRACTION / SYNCHROTRON / Resolution: 1.23 Å | ||||||
Authors | Lee, T.W. / James, M.N.G. | ||||||
Citation | Journal: Biochim.Biophys.Acta / Year: 2008Title: 1.2A-resolution crystal structures reveal the second tetrahedral intermediates of streptogrisin B (SGPB). Authors: Lee, T.W. / James, M.N. | ||||||
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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 | 2qaa.cif.gz | 180.5 KB | Display | PDBx/mmCIF format |
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| PDB format | pdb2qaa.ent.gz | 142.2 KB | Display | PDB format |
| PDBx/mmJSON format | 2qaa.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Summary document | 2qaa_validation.pdf.gz | 522 KB | Display | wwPDB validaton report |
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| Full document | 2qaa_full_validation.pdf.gz | 538.3 KB | Display | |
| Data in XML | 2qaa_validation.xml.gz | 26.2 KB | Display | |
| Data in CIF | 2qaa_validation.cif.gz | 38.3 KB | Display | |
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/qa/2qaa ftp://data.pdbj.org/pub/pdb/validation_reports/qa/2qaa | HTTPS FTP |
-Related structure data
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Links
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Assembly
| Deposited unit | ![]()
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| 1 | ![]()
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| 2 | ![]()
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| 3 | x 12![]()
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| Unit cell |
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| Components on special symmetry positions |
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| Details | Each asymmetric unit contains two SGPB molecules. SGPB functions as a monomer. |
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Components
-Protein , 1 types, 2 molecules AB
| #1: Protein | Mass: 18653.232 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Streptomyces griseus (bacteria) / References: UniProt: P00777, streptogrisin B |
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-Non-polymers , 9 types, 552 molecules 
















| #2: Chemical | ChemComp-SO4 / #3: Chemical | ChemComp-CL / #4: Chemical | #5: Chemical | #6: Chemical | ChemComp-EDO / #7: Chemical | ChemComp-EPE / | #8: Chemical | ChemComp-GOL / #9: Chemical | #10: Water | ChemComp-HOH / | |
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-Details
| 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: 3.22 Å3/Da / Density % sol: 61.76 % |
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| Crystal grow | Temperature: 298 K / Method: vapor diffusion, hanging drop / pH: 7.3 Details: 10 mg/mL SGPB in 10 mM MgCl2 1.0 M Li2SO4, 0.1 M HEPES-NaOH pH 7.3, VAPOR DIFFUSION, HANGING DROP, temperature 298K |
-Data collection
| Diffraction source | Source: SYNCHROTRON / Site: ALS / Beamline: 8.3.1 / Wavelength: 1.127 Å |
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| Detector | Type: ADSC QUANTUM 210 / Detector: CCD / Date: Oct 22, 2003 |
| Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
| Radiation wavelength | Wavelength: 1.127 Å / Relative weight: 1 |
| Reflection | Resolution: 1.23→40 Å / Num. obs: 136369 / % possible obs: 99 % / Redundancy: 8.5 % / Rsym value: 0.048 / Net I/σ(I): 37.3 |
| Reflection shell | Resolution: 1.23→1.27 Å / Redundancy: 3.8 % / Mean I/σ(I) obs: 3 / Rsym value: 0.404 / % possible all: 90.5 |
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Processing
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| Refinement | Resolution: 1.23→40 Å / Cor.coef. Fo:Fc: 0.982 / Cor.coef. Fo:Fc free: 0.979 / Cross valid method: THROUGHOUT / ESU R: 0.026 / ESU R Free: 0.026 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
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| Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: MASK | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Displacement parameters | Biso mean: 10.09 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Refinement step | Cycle: LAST / Resolution: 1.23→40 Å
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| Refine LS restraints |
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| LS refinement shell | Resolution: 1.23→1.262 Å / Total num. of bins used: 20
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Streptomyces griseus (bacteria)
X-RAY DIFFRACTION
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