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- PDB-3jqg: Crystal structure of pteridine reductase 1 (PTR1) from Trypanosom... -
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Open data
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Basic information
Entry | Database: PDB / ID: 3jqg | |||||||||
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Title | Crystal structure of pteridine reductase 1 (PTR1) from Trypanosoma brucei in ternary complex with cofactor (NADP+) and inhibitor 6-[(4-methoxybenzyl)sulfanyl]pyrimidine-2,4-diamine (AX6) | |||||||||
![]() | (Pteridine reductase 1![]() | |||||||||
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Function / homology | ![]() ![]() ![]() ![]() ![]() ![]() Similarity search - Function | |||||||||
Biological species | ![]() ![]() ![]() | |||||||||
Method | ![]() ![]() ![]() ![]() | |||||||||
![]() | Tulloch, L.B. / Hunter, W.N. | |||||||||
![]() | ![]() Title: Structure-based design of pteridine reductase inhibitors targeting african sleeping sickness and the leishmaniases. Authors: Tulloch, L.B. / Martini, V.P. / Iulek, J. / Huggan, J.K. / Lee, J.H. / Gibson, C.L. / Smith, T.K. / Suckling, C.J. / Hunter, W.N. | |||||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 218.4 KB | Display | ![]() |
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PDB format | ![]() | 172.8 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-Related structure data
Related structure data | ![]() 3bmcC ![]() 3bmnC ![]() 3bmoC ![]() 3bmqC ![]() 3jq6C ![]() 3jq7C ![]() 3jq8C ![]() 3jq9C ![]() 3jqaC ![]() 3jqbC ![]() 3jqcC ![]() 3jqdC ![]() 3jqeC ![]() 3jqfC ![]() 2c7vS C: citing same article ( S: Starting model for refinement |
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Similar structure data |
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Links
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Assembly
Deposited unit | ![]()
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Unit cell |
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Noncrystallographic symmetry (NCS) | NCS domain:
NCS domain segments:
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Components
#1: Protein | ![]() Mass: 30685.787 Da / Num. of mol.: 2 / Fragment: UNP residues 102-369 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() ![]() ![]() ![]() #2: Protein | ![]() Mass: 30669.791 Da / Num. of mol.: 2 / Fragment: UNP residues 102-369 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() ![]() ![]() ![]() #3: Chemical | ChemComp-NAP / ![]() #4: Chemical | ChemComp-AX6 / #5: Water | ChemComp-HOH / | ![]() |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.03 Å3/Da / Density % sol: 39.4 % |
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Crystal grow![]() | Temperature: 293 K / Method: vapor diffusion Details: 2-3M Sodium acetate, 10-100mM Sodium citrate, pH 4.0-6.0, VAPOR DIFFUSION, temperature 293K PH range: 4.0-6.0 |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: MARMOSAIC 225 mm CCD / Detector: CCD / Date: May 20, 2006 Details: Pt coated mirrors in a Kirkpatrick-Baez (KB) geometry |
Radiation | Monochromator: Si(111) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength![]() |
Reflection | Resolution: 1.9→53.2 Å / Num. obs: 74417 / % possible obs: 96.5 % / Redundancy: 2.4 % / Rmerge(I) obs: 0.092 |
Reflection shell | Resolution: 1.9→2.01 Å / Redundancy: 2.7 % / Rmerge(I) obs: 0.29 / Mean I/σ(I) obs: 1.9 |
-Phasing
Phasing![]() | Method: ![]() |
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Processing
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Refinement | Method to determine structure![]() ![]() Starting model: PDB entry 2C7V Resolution: 1.9→53.2 Å / Cor.coef. Fo:Fc: 0.94 / Cor.coef. Fo:Fc free: 0.905 / WRfactor Rfree: 0.272 / WRfactor Rwork: 0.218 / Occupancy max: 1 / Occupancy min: 0.1 / FOM work R set: 0.807 / SU B: 9.514 / SU ML: 0.141 / SU R Cruickshank DPI: 0.195 / SU Rfree: 0.179 / TLS residual ADP flag: LIKELY RESIDUAL / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.195 / ESU R Free: 0.179 / Stereochemistry target values: MAXIMUM LIKELIHOOD
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Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: MASK | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso max: 70.24 Å2 / Biso mean: 17.855 Å2 / Biso min: 2 Å2
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Refinement step | Cycle: LAST / Resolution: 1.9→53.2 Å
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Refine LS restraints |
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Refine LS restraints NCS | Dom-ID: 1 / Ens-ID: 1 / Number: 1797 / Refine-ID: X-RAY DIFFRACTION
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LS refinement shell | Resolution: 1.9→1.949 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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