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- PDB-3nxr: Perferential Selection of Isomer Binding from Chiral Mixtures: Al... -
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Open data
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Basic information
Entry | Database: PDB / ID: 3nxr | ||||||
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Title | Perferential Selection of Isomer Binding from Chiral Mixtures: Alternate Binding Modes Observed for the E- and Z-isomers of a Series of 5-Substituted 2,4-Diaminofuro[2,3-d]pyrimidines as Ternary Complexes with NADPH and Human Dihydrofolate Reductase | ||||||
![]() | Dihydrofolate reductase | ||||||
![]() | OXIDOREDUCTASE / chiral selection E- Z-isomers | ||||||
Function / homology | ![]() regulation of removal of superoxide radicals / tetrahydrobiopterin biosynthetic process / Metabolism of folate and pterines / tetrahydrofolate metabolic process / sequence-specific mRNA binding / response to methotrexate / axon regeneration / folic acid binding / G1/S-Specific Transcription / dihydrofolate metabolic process ...regulation of removal of superoxide radicals / tetrahydrobiopterin biosynthetic process / Metabolism of folate and pterines / tetrahydrofolate metabolic process / sequence-specific mRNA binding / response to methotrexate / axon regeneration / folic acid binding / G1/S-Specific Transcription / dihydrofolate metabolic process / glycine biosynthetic process / dihydrofolate reductase / dihydrofolate reductase activity / folic acid metabolic process / NADPH binding / Tetrahydrobiopterin (BH4) synthesis, recycling, salvage and regulation / tetrahydrofolate biosynthetic process / mRNA regulatory element binding translation repressor activity / positive regulation of nitric-oxide synthase activity / one-carbon metabolic process / NADP binding / negative regulation of translation / mRNA binding / mitochondrion / cytosol Similarity search - Function | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Cody, V. | ||||||
![]() | ![]() Title: Preferential selection of isomer binding from chiral mixtures: alternate binding modes observed for the E and Z isomers of a series of 5-substituted 2,4-diaminofuro[2,3-d]pyrimidines as ...Title: Preferential selection of isomer binding from chiral mixtures: alternate binding modes observed for the E and Z isomers of a series of 5-substituted 2,4-diaminofuro[2,3-d]pyrimidines as ternary complexes with NADPH and human dihydrofolate reductase. Authors: Cody, V. / Piraino, J. / Pace, J. / Li, W. / Gangjee, A. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 61.1 KB | Display | ![]() |
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PDB format | ![]() | 43.2 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 1 MB | Display | ![]() |
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Full document | ![]() | 1 MB | Display | |
Data in XML | ![]() | 13.8 KB | Display | |
Data in CIF | ![]() | 18.9 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 3nxoC ![]() 3nxtC ![]() 3nxvC ![]() 3nxxC ![]() 3nxyC ![]() 1u70S ![]() 3d7x ![]() 3d7y 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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Components
#1: Protein | Mass: 21349.525 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() | ||||
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#2: Chemical | ChemComp-NDP / | ||||
#3: Chemical | ChemComp-SO4 / #4: Chemical | ChemComp-D2D / | #5: Water | ChemComp-HOH / | |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.51 Å3/Da / Density % sol: 51.08 % |
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Crystal grow | Temperature: 298 K / Method: vapor diffusion, hanging drop / pH: 6.9 Details: 100 mM K2PO4 with 60% satrated ammonium sulfate with 3% v/v ethanol, pH 6.9, VAPOR DIFFUSION, HANGING DROP, temperature 298K |
-Data collection
Diffraction | Mean temperature: 200 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: MARMOSAIC 325 mm CCD / Detector: CCD / Date: Dec 6, 2008 / Details: mirrors |
Radiation | Monochromator: graphite / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.975 Å / Relative weight: 1 |
Reflection | Resolution: 1.35→26.6 Å / Num. all: 45693 / Num. obs: 45693 / % possible obs: 100 % / Observed criterion σ(F): 2 / Observed criterion σ(I): 2 / Redundancy: 8.9 % / Biso Wilson estimate: 28 Å2 / Rmerge(I) obs: 0.118 / Rsym value: 0.125 / Net I/σ(I): 12.5 |
Reflection shell | Resolution: 1.35→1.42 Å / Redundancy: 8.5 % / Rmerge(I) obs: 0.029 / Mean I/σ(I) obs: 0.9 / Num. unique all: 6687 / Rsym value: 0.01 / % possible all: 100 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: PDB entry 1u70 Resolution: 1.35→26.71 Å / Cor.coef. Fo:Fc: 0.968 / Cor.coef. Fo:Fc free: 0.956 / SU B: 1.107 / SU ML: 0.045 / Isotropic thermal model: isotropic / Cross valid method: THROUGHOUT / σ(F): 2 / σ(I): 2 / ESU R Free: 0.063 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
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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 mean: 21.681 Å2
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Refine analyze | Luzzati coordinate error obs: 0.18 Å | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 1.35→26.71 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 1.35→1.385 Å / Total num. of bins used: 20
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