1KTJ

X-ray Structure Of Der P 2, The Major House Dust Mite Allergen


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP4.6298Peg 4000, sodium citrate, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 298K
2VAPOR DIFFUSION, HANGING DROP5.6298ammonium sulfate, sodium acetate, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 298K
3VAPOR DIFFUSION, HANGING DROP4.6298Peg 4000, sodium citrate, spermine or B-octylglucosite, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 71.692α = 90
b = 108.747β = 90
c = 91.971γ = 90
Symmetry
Space GroupP 2 2 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-rayCCDADSC QUANTUM 41999-05-01MMAD
21x-rayIMAGE PLATEMARRESEARCH1997-11-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X9B0.9791, 0.9784, 0.9801NSLSX9B
2SYNCHROTRONEMBL/DESY, HAMBURG BEAMLINE X110.9EMBL/DESY, HamburgX11

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
1,22.154099.20.053276.11990619747-3
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)
2.152.1777.30.3843.24514

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Cut-off Sigma (I)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMADR-free2.15200.5197291915119470.210.27Random34.6
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
p_angle_d0.023
p_bond_d0.008
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1970
Nucleic Acid Atoms
Solvent Atoms170
Heterogen Atoms

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
MLPHAREphasing
REFMACrefinement