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Yorodumi- PDB-1n5i: CRYSTAL STRUCTURE OF INACTIVE MYCOBACTERIUM TUBERCULOSIS THYMIDYL... -
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-Basic information
Entry | Database: PDB / ID: 1n5i | ||||||
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Title | CRYSTAL STRUCTURE OF INACTIVE MYCOBACTERIUM TUBERCULOSIS THYMIDYLATE KINASE COMPLEXED WITH THYMIDINE MONOPHOSPHATE (TMP) AT PH 4.6 (RESOLUTION 1.85 A) | ||||||
Components | THYMIDYLATE KINASE | ||||||
Keywords | TRANSFERASE / TRANSFERASE (ATP:TMP PHOSPHOTRANSFERASE) / KINASE | ||||||
Function / homology | Function and homology information TMP metabolic process / dUDP biosynthetic process / dTMP kinase / thymidylate kinase activity / dTDP biosynthetic process / dTTP biosynthetic process / phosphorylation / GTP binding / magnesium ion binding / protein homodimerization activity ...TMP metabolic process / dUDP biosynthetic process / dTMP kinase / thymidylate kinase activity / dTDP biosynthetic process / dTTP biosynthetic process / phosphorylation / GTP binding / magnesium ion binding / protein homodimerization activity / ATP binding / metal ion binding / cytosol / cytoplasm Similarity search - Function | ||||||
Biological species | Mycobacterium tuberculosis (bacteria) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / OTHER / Resolution: 1.85 Å | ||||||
Authors | Fioravanti, E. / Haouz, A. / Ursby, T. / Munier-Lehmann, H. / Delarue, M. / Bourgeois, D. | ||||||
Citation | Journal: J.Mol.Biol. / Year: 2003 Title: Mycobacterium tuberculosis Thymidylate Kinase: Structural Studies of Intermediates along the Reaction Pathway Authors: Fioravanti, E. / Haouz, A. / Ursby, T. / Munier-Lehmann, H. / Delarue, M. / Bourgeois, D. #1: Journal: Acta Crystallogr.,Sect.D / Year: 2002 Title: Cryo-Photolysis of Caged Compounds: A Technique for Trapping Intermediate States in Protein Crystals Authors: Ursby, T. / Weik, M. / Fioravanti, E. / Delarue, M. / Goeldner, M. / Bourgeois, D. #2: Journal: J.Mol.Biol. / Year: 2001 Title: X-Ray Structure of Tmp Kinase from Mycobacterium Tuberculosis Complexed with Tmp at 1.95 A Resolution Authors: Li De La Sierra, I. / Munier-Lehmann, H. / Gilles, A.M. / Barzu, O. / Delarue, M. #3: Journal: Acta Crystallogr.,Sect.D / Year: 2000 Title: Crystallization and Preliminary X-Ray Analysis of the Thymidylate Kinase from Mycobacterium Tuberculosis Authors: Li De La Sierra, I. / Munier-Lehmann, H. / Gilles, A.M. / Barzu, O. / Delarue, M. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 1n5i.cif.gz | 58.4 KB | Display | PDBx/mmCIF format |
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PDB format | pdb1n5i.ent.gz | 41.1 KB | Display | PDB format |
PDBx/mmJSON format | 1n5i.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/n5/1n5i ftp://data.pdbj.org/pub/pdb/validation_reports/n5/1n5i | HTTPS FTP |
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-Related structure data
Related structure data | 1n5jC 1n5kC 1n5lC 1gsiS 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 biological assembly is a dimer generated from the monomer in the asymmetric unit by the operations: x-y, -y, -z. |
-Components
-Protein , 1 types, 1 molecules A
#1: Protein | Mass: 22662.525 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Mycobacterium tuberculosis (bacteria) / Plasmid: PET22B / Production host: Escherichia coli (E. coli) References: UniProt: O05891, UniProt: P9WKE1*PLUS, dTMP kinase |
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-Non-polymers , 5 types, 150 molecules
#2: Chemical | #3: Chemical | ChemComp-FLC / | #4: Chemical | ChemComp-TMP / | #5: Chemical | ChemComp-ATP / | #6: 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: 2.5 Å3/Da / Density % sol: 50 % | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Crystal grow | Temperature: 293 K / pH: 4.6 Details: Soaking in 30mM ATP, 40% PEG 2000, 10 mM ammonium sulphate, 0.1 M sodium citrate pH 4.6, 25mM magnesium acetate, 2 mM mercaptoethanol, 3 mM EDTA, 1.5 mM DTT, VAPOR DIFFUSION, HANGING DROP, SOAKING | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Crystal grow | *PLUS Temperature: 293 K / pH: 7.4 / Method: vapor diffusion, hanging drop | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: SYNCHROTRON / Site: ESRF / Beamline: BM30A / Wavelength: 0.93 Å |
Detector | Type: MARRESEARCH / Detector: CCD / Date: Apr 7, 2001 / Details: Toroidal Mirror |
Radiation | Monochromator: Silicon / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.93 Å / Relative weight: 1 |
Reflection | Resolution: 1.85→24.72 Å / Num. all: 20281 / Num. obs: 20281 / % possible obs: 99.8 % / Observed criterion σ(F): 0 / Observed criterion σ(I): -3 / Redundancy: 6.5 % / Biso Wilson estimate: 23 Å2 / Rsym value: 0.066 / Net I/σ(I): 6.9 |
Reflection shell | Resolution: 1.85→1.95 Å / Redundancy: 5.5 % / Mean I/σ(I) obs: 1.9 / Num. unique all: 2839 / Rsym value: 0.382 / % possible all: 98.8 |
Reflection | *PLUS Rmerge(I) obs: 0.066 |
Reflection shell | *PLUS % possible obs: 98.8 % / Rmerge(I) obs: 0.382 |
-Processing
Software |
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Refinement | Method to determine structure: OTHER Starting model: PDB ENTRY 1GSI Resolution: 1.85→24.72 Å / Rfactor Rfree error: 0.007 / Data cutoff high rms absF: 1967002.66 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 / σ(I): 1967002.66 / Stereochemistry target values: Engh & Huber
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Solvent computation | Solvent model: FLAT MODEL / Bsol: 54.8217 Å2 / ksol: 0.361322 e/Å3 | ||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 26.8 Å2
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Refine analyze |
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Refinement step | Cycle: LAST / Resolution: 1.85→24.72 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 1.85→1.97 Å / Rfactor Rfree error: 0.022 / Total num. of bins used: 6
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Xplor file |
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Refinement | *PLUS % reflection Rfree: 5 % / Rfactor Rwork: 0.21 | ||||||||||||||||||||||||||||||||||||
Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||
Displacement parameters | *PLUS | ||||||||||||||||||||||||||||||||||||
Refine LS restraints | *PLUS
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