X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 5.5
Temperature 277.0
Details 0.2M NaCl; 0.1M BIS-TRIS pH 5.5; 25% PEG 3350, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 83.38 α = 90
b = 83.38 β = 90
c = 115.3 γ = 90
Symmetry
Space Group P 41 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MAR225 -- 2009-12-17
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON DIAMOND BEAMLINE I02 0.98 Diamond I02

Data Collection

Overall
Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot
2.29 52.49 93.2 0.097 0.097 -- 6.6 -- 18152 0.0 0.0 --
High Resolution Shell
Resolution (High) Resolution (Low) Percent Possible (All) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All)
2.29 2.39 100.0 0.902 0.902 2.2 6.9 --

Refinement

Statistics
Structure Solution Method Refinement High Resolution Refinement Low Resolution Cut-off Sigma (I) Cut-off Sigma (F) Number of Reflections (All) Number of Reflections (Observed) Number of Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work R-Free R-Free Selection Details
MOLECULAR REPLACEMENT 2.29 52.49 -- -- 16601 16601 894 91.69 -- 0.20401 0.20011 0.28081 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 2.285 2.345 -- 85 1258 0.265 0.326 -- 98.68
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 18.239
Anisotropic B[1][1] 0.54
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.54
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.08
RMS Deviations
Key Refinement Restraint Deviation
r_chiral_restr 0.083
r_mcbond_it 5.641
r_gen_planes_other 0.001
r_mcbond_other 2.282
r_dihedral_angle_4_deg 19.689
r_gen_planes_refined 0.006
r_dihedral_angle_3_deg 14.064
r_scbond_it 9.754
r_scangle_it 10.466
r_angle_refined_deg 1.457
r_bond_refined_d 0.014
r_dihedral_angle_2_deg 35.17
r_mcangle_it 7.133
r_angle_other_deg 0.875
r_bond_other_d 0.001
r_dihedral_angle_1_deg 5.511
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2185
Nucleic Acid Atoms 0
Heterogen Atoms 22
Solvent Atoms 118

Software

Software
Software Name Purpose
MAR345 data collection
PHASER phasing
REFMAC refinement version: 5.5.0089
MOSFLM data reduction
SCALA data scaling