4N1J

Crystal structures of NLRP14 pyrin domain reveal a conformational switch mechanism, regulating its molecular interactions


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.52930.1 M HEPES pH 7.5, 2.6 M Ammonium sulfate and 2% PEG400, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.5150.98

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 89.61α = 90
b = 89.61β = 90
c = 107.871γ = 120
Symmetry
Space GroupP 63

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDRAYONIX MX-225mirrors2011-10-04MMAD
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONBESSY BEAMLINE 14.10.97973, 0.97626, 1.00801, 0.97985BESSY14.1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
12.3644.7995.97.219457
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.362.4999.9

Refinement

Statistics
Diffraction IDStructure Solution MethodResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMAD2.644.791.33193871437472294.70.21160.20920.2546
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
f_dihedral_angle_d12.183
f_angle_d0.802
f_chiral_restr0.034
f_bond_d0.004
f_plane_restr0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3069
Nucleic Acid Atoms
Solvent Atoms31
Heterogen Atoms18

Software

Software
Software NamePurpose
MAR345data collection
Auto-Rickshawphasing
PHENIXrefinement
MOSFLMdata reduction
SCALAdata scaling