1TDW

Crystal structure of double truncated human phenylalanine hydroxylase BH4-responsive PKU mutant A313T.


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1PAHPDB entry 1pah

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.82775-10% Ethylene Glycol, 20-40 mM Pipes, pH 6.8, 8-15% PEG 2000, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
3.260.04

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 66.411α = 90
b = 108.138β = 90
c = 124.62γ = 90
Symmetry
Space GroupC 2 2 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray277IMAGE PLATERIGAKU RAXIS IV++Osmic Mirrors2003-03-12MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU FR-D1.5418

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
12.1201000.118207.518498026608
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
2.12.171000.6122042624

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONDifference fourierTHROUGHOUTPDB entry 1pah2.119.932564426547123796.60.2060.2060.2060.237random35.1
Temperature Factor Modeling
Anisotropic B[1][1]Anisotropic B[1][2]Anisotropic B[1][3]Anisotropic B[2][2]Anisotropic B[2][3]Anisotropic B[3][3]
-1.359-2.4663.825
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d21.8
c_angle_d1.5
c_improper_angle_d0.97
c_bond_d0.013
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2526
Nucleic Acid Atoms
Solvent Atoms161
Heterogen Atoms1

Software

Software
Software NamePurpose
d*TREKdata scaling
HKL-2000data reduction
CNSrefinement
d*TREKdata reduction
HKL-2000data scaling
CNSphasing