X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.2
Details 100MM TRIS PH 7.4, 500MM NACL, 12.5% PEG 8000, 1MM MGCL2, 1MM DTT

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 83.04 α = 90
b = 86.11 β = 90
c = 177.4 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 277
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD MIRRORS 2007-05-02
Diffraction Radiation
Monochromator Protocol
SI SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON CHESS BEAMLINE A1 -- CHESS A1

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
2.35 88.74 97.0 0.1 -- -- 4.0 -- 52103 -- 2.0 --
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)
2.35 2.43 97.4 0.71 -- 2.1 3.8 --

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 2.35 88.74 -- -- -- 49335 2638 96.9 -- 0.192 0.19 0.227 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 2.35 2.41 -- 182 3394 0.315 0.353 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 21.79
Anisotropic B[1][1] 1.21
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 1.05
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -2.26
RMS Deviations
Key Refinement Restraint Deviation
r_mcangle_it 5.193
r_scbond_it 7.854
r_angle_other_deg 0.933
r_dihedral_angle_1_deg 5.759
r_dihedral_angle_4_deg 19.241
r_chiral_restr 0.086
r_bond_other_d 0.001
r_scangle_it 9.153
r_mcbond_it 3.584
r_dihedral_angle_3_deg 12.615
r_dihedral_angle_2_deg 36.094
r_angle_refined_deg 1.511
r_gen_planes_other 0.001
r_gen_planes_refined 0.007
r_bond_refined_d 0.016
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5416
Nucleic Acid Atoms 0
Heterogen Atoms 80
Solvent Atoms 182

Software

Software
Software Name Purpose
REFMAC refinement version: 5.4.0066
HKL-2000 data reduction
SCALEPACK data scaling
PHASER phasing