X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8
Details 1.55-1.7 M SODIUM FORMATE 13-16% PEG 8000 100 MM NACL 50 MM TRIS PH 8, pH 8.0

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 134.41 α = 90
b = 139.65 β = 90
c = 118.11 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 113
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH MIRRORS --
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON CHESS BEAMLINE F1 -- CHESS F1

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
1.6 20 92.0 -- 0.046 -- -- -- 1792266 -- -- 20.2
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)
1.6 1.66 80.1 0.052 0.052 4.6 -- --

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
MIR, NCS 1.6 20.0 -- 2.0 -- 221900 22050 76.3 -- 0.188 0.188 0.22 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 1.6 1.7 -- 2817 25150 0.232 0.238 0.004 58.2
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 18.3
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 1.55
x_dihedral_angle_d 19.6
x_bond_d 0.016
x_angle_deg 1.4
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.17
Luzzati Sigma A (Observed) 0.14
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.19
Luzzati Sigma A (R-Free Set) 0.11
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 14698
Nucleic Acid Atoms 0
Heterogen Atoms 12
Solvent Atoms 1397

Software

Software
Software Name Purpose
X-PLOR model building version: 3.851
X-PLOR refinement version: 3.851
DENZO data reduction
SCALEPACK data scaling
X-PLOR phasing version: 3.851