+Open data
-Basic information
Entry | Database: PDB / ID: 3k6z | ||||||
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Title | Crystal structure of Rv3671c protease, inactive form | ||||||
Components | POSSIBLE MEMBRANE-ASSOCIATED SERINE PROTEASE | ||||||
Keywords | HYDROLASE / serine protease / disulfide / oxidative stress / bent helix / Protease | ||||||
Function / homology | Function and homology information toxin biosynthetic process / evasion of host immune response / response to acidic pH / Hydrolases; Acting on peptide bonds (peptidases); Serine endopeptidases / membrane => GO:0016020 / peptidoglycan-based cell wall / serine-type endopeptidase activity / proteolysis / extracellular region / plasma membrane Similarity search - Function | ||||||
Biological species | Mycobacterium tuberculosis (bacteria) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.75 Å | ||||||
Authors | Biswas, T. / Small, J. / Vandal, O. / Ehrt, S. / Tsodikov, O.V. | ||||||
Citation | Journal: Structure / Year: 2010 Title: Structural insight into serine protease Rv3671c that Protects M. tuberculosis from oxidative and acidic stress. Authors: Biswas, T. / Small, J. / Vandal, O. / Odaira, T. / Deng, H. / Ehrt, S. / Tsodikov, O.V. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 3k6z.cif.gz | 93.8 KB | Display | PDBx/mmCIF format |
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PDB format | pdb3k6z.ent.gz | 70.3 KB | Display | PDB format |
PDBx/mmJSON format | 3k6z.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 3k6z_validation.pdf.gz | 433.4 KB | Display | wwPDB validaton report |
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Full document | 3k6z_full_validation.pdf.gz | 436.9 KB | Display | |
Data in XML | 3k6z_validation.xml.gz | 21.3 KB | Display | |
Data in CIF | 3k6z_validation.cif.gz | 32 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/k6/3k6z ftp://data.pdbj.org/pub/pdb/validation_reports/k6/3k6z | HTTPS FTP |
-Related structure data
Related structure data | 3k6ySC 3lt3C S: Starting model for refinement C: citing same article (ref.) |
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Similar structure data |
-Links
-Assembly
Deposited unit |
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1 |
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Unit cell |
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Details | 1 |
-Components
#1: Protein | Mass: 22286.168 Da / Num. of mol.: 2 / Fragment: UNP residues 179-397 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Mycobacterium tuberculosis (bacteria) / Strain: H37Rv / Gene: MT3772, Rv3671c / Plasmid: pET28 / Production host: Escherichia coli (E. coli) / Strain (production host): BL21(DE3) References: UniProt: O69639, UniProt: P9WHR9*PLUS, Hydrolases; Acting on peptide bonds (peptidases); Serine endopeptidases #2: 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: 2.02 Å3/Da / Density % sol: 39.01 % |
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Crystal grow | Temperature: 293 K / Method: vapor diffusion, hanging drop / pH: 8.5 Details: Reservoir: 0.1 M Tris-HCl pH 8.5, 2.1 M ammonium phosphate monobasic, 60 mM ammonium sulfate, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: SYNCHROTRON / Site: APS / Beamline: 21-ID-D / Wavelength: 1.12719 Å |
Detector | Type: MARMOSAIC 300 mm CCD / Detector: CCD / Date: Jun 24, 2009 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.12719 Å / Relative weight: 1 |
Reflection | Resolution: 1.75→50 Å / Num. all: 34080 / Num. obs: 32887 / % possible obs: 96.5 % / Observed criterion σ(F): 3 / Observed criterion σ(I): 3 / Redundancy: 6.9 % / Rmerge(I) obs: 0.056 |
Reflection shell | Resolution: 1.75→1.81 Å / Redundancy: 4.1 % / Rmerge(I) obs: 0.315 / Mean I/σ(I) obs: 3.4 / Num. unique all: 3564 / % possible all: 69.9 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: PDB entry 3K6Y Resolution: 1.75→40 Å / Cor.coef. Fo:Fc: 0.959 / Cor.coef. Fo:Fc free: 0.927 / SU B: 5.803 / SU ML: 0.096 / Cross valid method: THROUGHOUT / ESU R: 0.138 / ESU R Free: 0.136 / 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: 1.2 Å / Solvent model: MASK | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 19.587 Å2
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Refinement step | Cycle: LAST / Resolution: 1.75→40 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 1.754→1.799 Å / 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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