X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Counter Diffusion in Capillary
pH 5
Temperature 298.0
Details 3M ammonium sulphate, 0.1M sodium acetate, pH 5, counter-diffusion in capillary, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 187 α = 90
b = 187 β = 90
c = 59.33 γ = 120
Symmetry
Space Group H 3

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315r -- 2011-01-29
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-4 0.97 ESRF ID14-4

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
1.85 93.5 98.0 0.071 0.071 -- 3.7 64691 64691 0.0 0.0 18.725
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)
1.85 1.95 96.7 0.483 0.483 1.6 3.4 9332

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 1.85 20.0 0.0 0.0 66037 64691 3283 97.96 0.1802 0.1802 0.178 0.221 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 1.85 1.898 -- 236 4462 0.238 0.29 -- 97.01
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model isotropic
Mean Isotropic B 19.7394
Anisotropic B[1][1] 0.15
Anisotropic B[1][2] 0.07
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.15
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.22
RMS Deviations
Key Refinement Restraint Deviation
r_dihedral_angle_2_deg 37.688
r_dihedral_angle_3_deg 13.975
r_gen_planes_refined 0.013
r_chiral_restr 0.129
r_dihedral_angle_1_deg 5.809
r_angle_refined_deg 2.411
r_bond_refined_d 0.017
r_dihedral_angle_4_deg 15.016
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5088
Nucleic Acid Atoms 0
Heterogen Atoms 435
Solvent Atoms 540

Software

Software
Software Name Purpose
MOSFLM data reduction version: 3.3.20
SCALA data scaling version: 3.3.20
MOLREP phasing
REFMAC refinement
PDB_EXTRACT data extraction version: 3.10
ADSC data collection version: Quantum