X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8
Temperature 298.0
Details PEG 3350, magnesium nitrate, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 54.82 α = 90
b = 54.82 β = 90
c = 84.21 γ = 120
Symmetry
Space Group P 63

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315 -- 2003-11-12
Diffraction Radiation
Monochromator Protocol
double crystal Si(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ALS BEAMLINE 8.2.2 0.9786 ALS 8.2.2

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
1.3 90 99.8 -- 0.125 -- 12.1 35121 35121 0.0 0.0 15.5
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)
1.3 1.35 100.0 -- 0.319 7.3 8.2 3466

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 1.3 20.0 0.0 0.0 33326 33326 1756 94.8 0.1216 0.1216 0.1202 0.1379 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model anisotropic
Mean Isotropic B 25.6
RMS Deviations
Key Refinement Restraint Deviation
s_angle_d 0.028
s_from_restr_planes 0.0306
s_bond_d 0.011
s_zero_chiral_vol 0.064
s_rigid_bond_adp_cmpnt 0.007
s_similar_adp_cmpnt 0.053
s_similar_dist 0.0
s_non_zero_chiral_vol 0.069
s_approx_iso_adps 0.076
s_anti_bump_dis_restr 0.02
Coordinate Error
Parameter Value
Number Disordered Residues 0.0
Occupancy Sum Hydrogen 0.0
Occupancy Sum Non Hydrogen 1258.96
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1111
Nucleic Acid Atoms 0
Heterogen Atoms 37
Solvent Atoms 118

Software

Software
Software Name Purpose
SHELX model building
SHELXL-97 refinement
DENZO data reduction
SCALEPACK data scaling
EPMR phasing