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- PDB-1kw0: Catalytic Domain of Human Phenylalanine Hydroxylase (Fe(II)) in C... -
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Open data
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Basic information
Entry | Database: PDB / ID: 1kw0 | ||||||
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Title | Catalytic Domain of Human Phenylalanine Hydroxylase (Fe(II)) in Complex with Tetrahydrobiopterin and Thienylalanine | ||||||
![]() | Phenylalanine-4-hydroxylase | ||||||
![]() | OXIDOREDUCTASE / Basket-arrangement 13 alpha-helices and 6 beta-strands / Ferrous iron | ||||||
Function / homology | ![]() Phenylketonuria / Phenylalanine metabolism / phenylalanine 4-monooxygenase / phenylalanine 4-monooxygenase activity / tyrosine biosynthetic process / catecholamine biosynthetic process / L-phenylalanine catabolic process / amino acid biosynthetic process / iron ion binding / cytosol Similarity search - Function | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() | ||||||
![]() | Andersen, O.A. / Flatmark, T. / Hough, E. | ||||||
![]() | ![]() Title: Crystal Structure of the Ternary Complex of the Catalytic Domain of Human Phenylalanine Hydroxylase with Tetrahydrobiopterin and 3-(2-thienyl)-L-alanine, and its Implications for the Mechanism ...Title: Crystal Structure of the Ternary Complex of the Catalytic Domain of Human Phenylalanine Hydroxylase with Tetrahydrobiopterin and 3-(2-thienyl)-L-alanine, and its Implications for the Mechanism of Catalysis and Substrate Activation Authors: Andersen, O.A. / Flatmark, T. / Hough, E. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 78.4 KB | Display | ![]() |
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PDB format | ![]() | 56.7 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 461.4 KB | Display | ![]() |
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Full document | ![]() | 469.2 KB | Display | |
Data in XML | ![]() | 14.7 KB | Display | |
Data in CIF | ![]() | 19.1 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 1pahS 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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1 | ![]()
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Unit cell |
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Details | Dimer is generated by: -x, y, -z+1/2 |
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Components
#1: Protein | Mass: 37601.570 Da / Num. of mol.: 1 / Fragment: Catalytic domain (residues 103-427) Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() |
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#2: Chemical | ChemComp-FE2 / |
#3: Chemical | ChemComp-H4B / |
#4: Chemical | ChemComp-TIH / |
#5: Water | ChemComp-HOH / |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.85 Å3/Da / Density % sol: 56.89 % | ||||||||||||||||||
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Crystal grow | Temperature: 277 K / Method: vapor diffusion, hanging drop / pH: 6.8 Details: 20% PEG 2000, 10% ethylene glycol 0.12M Na-Hepes pH 6.8, 30mM Na-dithionite, 10mM BH4, VAPOR DIFFUSION, HANGING DROP, temperature 277K | ||||||||||||||||||
Crystal grow | *PLUS Method: vapor diffusion | ||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: MAR scanner 345 mm plate / Detector: IMAGE PLATE / Date: Apr 8, 2001 / Details: mirrors |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.8 Å / Relative weight: 1 |
Reflection | Resolution: 2.5→10 Å / Num. all: 14178 / Num. obs: 14178 / % possible obs: 94.4 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 4.2 % / Biso Wilson estimate: 41.3 Å2 / Rmerge(I) obs: 0.092 / Rsym value: 0.092 / Net I/σ(I): 7.1 |
Reflection shell | Resolution: 2.5→2.64 Å / Redundancy: 4.1 % / Rmerge(I) obs: 0.377 / Mean I/σ(I) obs: 2.1 / Num. unique all: 2071 / Rsym value: 0.377 / % possible all: 95.2 |
Reflection | *PLUS Highest resolution: 2.5 Å / Lowest resolution: 10 Å / Num. measured all: 59237 |
Reflection shell | *PLUS % possible obs: 95.2 % / Num. unique obs: 2071 / Num. measured obs: 8578 |
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Processing
Software |
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Refinement | Method to determine structure: adopting entry 1PAH phases Starting model: PDB entry 1PAH Resolution: 2.5→10 Å / Isotropic thermal model: isotropic / Cross valid method: THROUGHOUT / σ(F): 0 / σ(I): 0 / Stereochemistry target values: Engh & Huber
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Displacement parameters | Biso mean: 34.3 Å2 | |||||||||||||||||||||||||
Refine analyze | Luzzati coordinate error obs: 0.35 Å / Luzzati sigma a obs: 0.29 Å | |||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 2.5→10 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 2.5→2.53 Å /
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Refinement | *PLUS Lowest resolution: 10 Å / % reflection Rfree: 10 % / Rfactor Rwork: 0.22 | |||||||||||||||||||||||||
Solvent computation | *PLUS | |||||||||||||||||||||||||
Displacement parameters | *PLUS | |||||||||||||||||||||||||
Refine LS restraints | *PLUS
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