+Open data
-Basic information
Entry | Database: PDB / ID: 4gqu | ||||||
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Title | Crystal structure of HisB from Mycobacterium tuberculosis | ||||||
Components | Imidazoleglycerol-phosphate dehydratase | ||||||
Keywords | LYASE / Mycobacterium tuberculosis / Histidine biosynthesis / Manganese / Class- Alpha and Beta Fold- Ribosomal protein S5 domain 2-like Super family-Ribosomal protein S5 domain 2-like Family- Imidazole glycerol phoshate dehydratase Domain- Imidazole glycerol phosphate dehydratase / Dehydratase | ||||||
Function / homology | Function and homology information imidazoleglycerol-phosphate dehydratase / imidazoleglycerol-phosphate dehydratase activity / L-histidine biosynthetic process / metal ion binding / cytoplasm Similarity search - Function | ||||||
Biological species | Mycobacterium tuberculosis (bacteria) | ||||||
Method | X-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 2.02 Å | ||||||
Authors | Ahangar, M.S. / Vyas, R. / Nasir, N. / Biswal, B.K. | ||||||
Citation | Journal: Acta Crystallogr.,Sect.D / Year: 2013 Title: Crystal structures of the native, substrate- bound and inhibited forms of Mycobacterium tuberculosis imidazole glycerol phosphate dehydratase Authors: Ahangar, M.S. / Vyas, R. / Nasir, N. / Biswal, B.K. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 4gqu.cif.gz | 55.8 KB | Display | PDBx/mmCIF format |
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PDB format | pdb4gqu.ent.gz | 39.1 KB | Display | PDB format |
PDBx/mmJSON format | 4gqu.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 4gqu_validation.pdf.gz | 434.5 KB | Display | wwPDB validaton report |
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Full document | 4gqu_full_validation.pdf.gz | 435.1 KB | Display | |
Data in XML | 4gqu_validation.xml.gz | 10.4 KB | Display | |
Data in CIF | 4gqu_validation.cif.gz | 13.9 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/gq/4gqu ftp://data.pdbj.org/pub/pdb/validation_reports/gq/4gqu | HTTPS FTP |
-Related structure data
Related structure data | 4lomC 4lpfC 2f1dS 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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Components on special symmetry positions |
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Details | The asymmetric unit contains a monomer, however the biological unit is a 24-mer which can be generated by the 432 crystal symmetry . |
-Components
#1: Protein | Mass: 23633.516 Da / Num. of mol.: 1 / Fragment: UNP residues 2-210 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Mycobacterium tuberculosis (bacteria) / Strain: H37Rv / Gene: hisB, MT1637, MTCY336.03c, Rv1601 / Plasmid: PYUB1062 / Production host: Mycobacterium Smegmatis (bacteria) / Strain (production host): Mc2(4517) References: UniProt: P64368, UniProt: P9WML9*PLUS, imidazoleglycerol-phosphate dehydratase | ||||
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#2: Chemical | ChemComp-MN / #3: Chemical | ChemComp-EDO / | #4: Water | ChemComp-HOH / | |
-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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-Sample preparation
Crystal | Density Matthews: 2.51 Å3/Da / Density % sol: 51.05 % |
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Crystal grow | Temperature: 293 K / Method: vapor diffusion, hanging drop / pH: 8.5 Details: 20% PEG1500, 0.2M sodium citrate tribasic dehydrate, 0.1M Tris HCL, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ROTATING ANODE / Type: RIGAKU FR-E+ DW / Wavelength: 1.5418 Å |
Detector | Type: RIGAKU RAXIS IV++ / Detector: IMAGE PLATE / Date: Jul 20, 2011 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.5418 Å / Relative weight: 1 |
Reflection | Resolution: 2→50 Å / Num. obs: 16296 / % possible obs: 95 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 9.6 % / Rmerge(I) obs: 0.115 |
Reflection shell | Resolution: 2→2.07 Å / Redundancy: 9.5 % / Rmerge(I) obs: 0.71 / Mean I/σ(I) obs: 3.2 / Num. unique all: 1096 / % possible all: 65.8 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: 2F1D Resolution: 2.02→35.59 Å / Cor.coef. Fo:Fc: 0.955 / Cor.coef. Fo:Fc free: 0.922 / SU B: 3.734 / SU ML: 0.102 / Cross valid method: THROUGHOUT / ESU R: 0.173 / ESU R Free: 0.161 / Stereochemistry target values: MAXIMUM LIKELIHOOD Details: MN303 IS FOUND TO LIE ON THE 3-FOLD SYMMETRY AXIS. HYDROGENS HAVE BEEN USED IF PRESENT IN THE INPUT.
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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: 34.745 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 2.02→35.59 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 2.02→2.074 Å / Total num. of bins used: 20
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