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Yorodumi- PDB-5brf: Crystal structure of Trypanosoma cruzi glucokinase in complex wit... -
+Open data
-Basic information
Entry | Database: PDB / ID: 5brf | |||||||||
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Title | Crystal structure of Trypanosoma cruzi glucokinase in complex with inhibitor HPOP-GlcN | |||||||||
Components | Glucokinase 1, putative | |||||||||
Keywords | Transferase/Transferase Inhibitor / Transferase / Hexose Kinase / Transferase-Transferase Inhibitor complex | |||||||||
Function / homology | Function and homology information glucokinase / glucokinase activity / glucose binding / glycolytic process / ATP binding Similarity search - Function | |||||||||
Biological species | Trypanosoma cruzi (eukaryote) | |||||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / molecular replacement / Resolution: 2.102 Å | |||||||||
Authors | D'Antonio, E.L. / Perry, K. / Deinema, M.S. / Kearns, S.P. / Frey, T.A. | |||||||||
Funding support | United States, 2items
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Citation | Journal: Mol.Biochem.Parasitol. / Year: 2016 Title: Structure-based approach to the identification of a novel group of selective glucosamine analogue inhibitors of Trypanosoma cruzi glucokinase. Authors: D'Antonio, E.L. / Deinema, M.S. / Kearns, S.P. / Frey, T.A. / Tanghe, S. / Perry, K. / Roy, T.A. / Gracz, H.S. / Rodriguez, A. / D'Antonio, J. | |||||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 5brf.cif.gz | 160.5 KB | Display | PDBx/mmCIF format |
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PDB format | pdb5brf.ent.gz | 124.5 KB | Display | PDB format |
PDBx/mmJSON format | 5brf.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/br/5brf ftp://data.pdbj.org/pub/pdb/validation_reports/br/5brf | HTTPS FTP |
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-Related structure data
Related structure data | 5brdC 5breC 5brhC 2q2rS 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
#1: Protein | Mass: 42226.648 Da / Num. of mol.: 2 / Fragment: Trypanosoma cruzi glucokinase Source method: isolated from a genetically manipulated source Source: (gene. exp.) Trypanosoma cruzi (strain CL Brener) (eukaryote) Strain: CL Brener / Gene: Tc00.1047053510187.100 / Plasmid: pET-28a(+) / Production host: Escherichia coli (E. coli) / Strain (production host): BL21(DE3) / References: UniProt: Q4E4E1, glucokinase #2: Sugar | #3: 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: 2.55 Å3/Da / Density % sol: 51.76 % |
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Crystal grow | Temperature: 295 K / Method: vapor diffusion, sitting drop / pH: 7 Details: A glucose-free TcGlcK crystal was soaked in 1.0 mM HPOP-GlcN, 5.0% (v/v) DMSO, 0.1 M sodium citrate (pH 7.0), 18% (w/v) PEG 3,350 for 24 hours |
-Data collection
Diffraction | Mean temperature: 100 K | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Diffraction source | Source: SYNCHROTRON / Site: APS / Beamline: 24-ID-C / Wavelength: 0.9792 Å | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Detector | Type: PSI PILATUS 6M / Detector: PIXEL / Date: Dec 8, 2014 / Details: LR-Design detector positioner | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Radiation | Monochromator: Cryogenically-cooled single crystal Si(220) side bounce monochromator Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Radiation wavelength | Wavelength: 0.9792 Å / Relative weight: 1 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reflection | Resolution: 2.1→50 Å / Num. obs: 46434 / % possible obs: 98.5 % / Redundancy: 3.5 % / Biso Wilson estimate: 44.35 Å2 / Rmerge(I) obs: 0.067 / Rpim(I) all: 0.039 / Rrim(I) all: 0.078 / Χ2: 1.11 / Net I/av σ(I): 18.963 / Net I/σ(I): 8.2 / Num. measured all: 162758 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reflection shell | Diffraction-ID: 1 / Rejects: 0
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-Phasing
Phasing | Method: molecular replacement |
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-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: PDB entry 2Q2R Resolution: 2.102→48.395 Å / FOM work R set: 0.8157 / SU ML: 0.25 / Cross valid method: THROUGHOUT / σ(F): 1.37 / Phase error: 25.73 / Stereochemistry target values: ML
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Solvent computation | Shrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso max: 86.99 Å2 / Biso mean: 42.18 Å2 / Biso min: 16.7 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: final / Resolution: 2.102→48.395 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: 17
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