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Yorodumi- PDB-7kdo: Crystal structure of Escherichia coli HPPK in complex with bisubs... -
+Open data
-Basic information
Entry | Database: PDB / ID: 7kdo | ||||||
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Title | Crystal structure of Escherichia coli HPPK in complex with bisubstrate inhibitor HP-73 | ||||||
Components | 2-amino-4-hydroxy-6-hydroxymethyldihydropteridine pyrophosphokinase | ||||||
Keywords | TRANSFERASE/INHIBITOR / alpha beta / TRANSFERASE / TRANSFERASE-INHIBITOR complex | ||||||
Function / homology | Function and homology information 2-amino-4-hydroxy-6-hydroxymethyldihydropteridine diphosphokinase / 2-amino-4-hydroxy-6-hydroxymethyldihydropteridine diphosphokinase activity / folic acid biosynthetic process / tetrahydrofolate biosynthetic process / kinase activity / phosphorylation / magnesium ion binding / ATP binding Similarity search - Function | ||||||
Biological species | Escherichia coli (E. coli) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / FOURIER SYNTHESIS / Resolution: 1.6 Å | ||||||
Authors | Shaw, G.X. / Shi, G. / Ji, X. | ||||||
Citation | Journal: Bioorg.Med.Chem. / Year: 2021 Title: Bisubstrate inhibitors of 6-hydroxymethyl-7,8-dihydropterin pyrophosphokinase: Transition state analogs for high affinity binding. Authors: Shi, G. / Shaw, G.X. / Zhu, F. / Tarasov, S.G. / Ji, X. #1: Journal: J. Med. Chem. / Year: 2001 Title: Bisubstrate analogue inhibitors of 6-hydroxymethyl-7,8-dihydropterin pyrophosphokinase: Synthesis and biochemical and crystallographic studies Authors: Shi, G. / Blaszczyk, J. / Ji, X. / Yan, H. #2: Journal: Bioorg. Med. Chem. / Year: 2012 Title: Bisubstrate analogue inhibitors of 6-hydroxymethyl-7,8-dihydropterin pyrophosphokinase: New design with improved properties Authors: Shi, G. / Shaw, G. / Liang, Y.-H. / Subburamann, P. / Li, Y. / Wu, Y. / Yan, H. / Ji, X. #3: Journal: Bioorg. Med. Chem. / Year: 2012 Title: Bisubstrate analog inhibitors of 6-hydroxymethyl-7,8-dihydropterin pyrophosphokinase: New lead exhibits a distinct binding mode Authors: Shi, G. / Shaw, G. / Li, Y. / Wu, Y. / Yan, H. / Ji, X. #4: Journal: FEBS J. / Year: 2014 Title: Structural enzymology and inhibition of the bi-functional folate pathway enzyme HPPK-DHPS from the biowarfare agent Francisella tularensis Authors: Shaw, G.X. / Li, Y. / Shi, G. / Wu, Y. / Cherry, S. / Needle, D. / Zhang, D. / Tropea, J.E. / Waugh, D.S. / Yan, H. / Ji, X. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 7kdo.cif.gz | 86.3 KB | Display | PDBx/mmCIF format |
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PDB format | pdb7kdo.ent.gz | 59.7 KB | Display | PDB format |
PDBx/mmJSON format | 7kdo.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/kd/7kdo ftp://data.pdbj.org/pub/pdb/validation_reports/kd/7kdo | HTTPS FTP |
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-Related structure data
Related structure data | 7kdrC 3udvS 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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-Components
#1: Protein | Mass: 17966.535 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Escherichia coli (strain K12) (bacteria) Strain: K12 / Gene: folK, b0142, JW0138 / Plasmid: pET17b / Production host: Escherichia coli (E. coli) / Strain (production host): BL21-CodonPlus(DE3)-RIL References: UniProt: P26281, 2-amino-4-hydroxy-6-hydroxymethyldihydropteridine diphosphokinase |
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#2: Chemical | ChemComp-H73 / |
#3: Water | ChemComp-HOH / |
Has ligand of interest | Y |
-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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-Sample preparation
Crystal | Density Matthews: 1.88 Å3/Da / Density % sol: 34.41 % / Mosaicity: 1.526 ° / Mosaicity esd: 0.014 ° |
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Crystal grow | Temperature: 292 K / Method: vapor diffusion, sitting drop / pH: 7 / Details: PEG 2000 |
-Data collection
Diffraction | Mean temperature: 100 K / Serial crystal experiment: N | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Diffraction source | Source: SYNCHROTRON / Site: APS / Beamline: 22-BM / Wavelength: 1 Å | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Detector | Type: RAYONIX MX300-HS / Detector: CCD / Date: Mar 27, 2015 / Details: mirrors | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Radiation | Monochromator: Double crystal / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Radiation wavelength | Wavelength: 1 Å / Relative weight: 1 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reflection | Resolution: 1.6→30 Å / Num. obs: 17716 / % possible obs: 95.7 % / Redundancy: 5 % / Rmerge(I) obs: 0.067 / Rpim(I) all: 0.03 / Rrim(I) all: 0.074 / Χ2: 0.982 / Net I/σ(I): 9.6 / Num. measured all: 88152 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reflection shell | Diffraction-ID: 1
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-Processing
Software |
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Refinement | Method to determine structure: FOURIER SYNTHESIS Starting model: 3UDV Resolution: 1.6→29.93 Å / SU ML: 0.1917 / Cross valid method: FREE R-VALUE / σ(F): 1.38 / Phase error: 24.819 Stereochemistry target values: GeoStd + Monomer Library + CDL v1.2
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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 mean: 25.78 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 1.6→29.93 Å
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Refine LS restraints |
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LS refinement shell |
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