1MMK

Crystal structure of ternary complex of the catalytic domain of human phenylalanine hydroxylase ((FeII)) complexed with tetrahydrobiopterin and thienylalanine


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1KW0PDB ENTRY 1KW0

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.827720% PEG 2000, 12% ethylene glycol, 0.12M Na-Hepes, 10mM BH4, 30mM Na-dithionite, pH 6.8, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
2.8857.35

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 65.194α = 90
b = 107.86β = 90
c = 123.437γ = 90
Symmetry
Space GroupC 2 2 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray110CCDADSC QUANTUM 42002-02-02MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID14-10.934ESRFID14-1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)R Sym 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
122093.10.0810.0816.54.1277212772120.4
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
22.11660.2350.23534.12816

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-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONphases adopted from 1KW0THROUGHOUTPDB ENTRY 1KW0220277212772128031000.1990.229random26.8
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]
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d21.5
c_angle_deg1.14
c_improper_angle_d0.8
c_bond_d0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2532
Nucleic Acid Atoms
Solvent Atoms182
Heterogen Atoms34

Software

Software
Software NamePurpose
DENZOdata reduction
SCALAdata scaling
CNSrefinement
CCP4data scaling