X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details 2 M SODIUM ACETATE, PH 6.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 154.4 α = 90
b = 154.4 β = 90
c = 235.4 γ = 120
Symmetry
Space Group P 62 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 105
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH MIRRORS 1997-08-15
Diffraction Radiation
Monochromator Protocol
MIRRORS SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE BW7A -- EMBL/DESY, Hamburg BW7A

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
2.65 40 0.978 0.102 0.102 -- 10.1 -- 49366 -- 0.0 60.9
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)
2.65 2.68 0.966 0.491 0.491 1.9 10.0 --

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 2.65 40.0 -- 0.0 -- 48595 2760 96.6 -- 0.21 0.21 0.226 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 2.65 2.68 -- 48 1207 0.4472 0.468 -- 0.96
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 61.1
Anisotropic B[1][1] -5.0
Anisotropic B[1][2] 1.5
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -5.0
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 30.0
RMS Deviations
Key Refinement Restraint Deviation
x_scangle_it 6.0
x_improper_angle_d 1.1
x_angle_deg 1.2
x_dihedral_angle_d 22.4
x_scbond_it 4.4
x_mcangle_it 4.2
x_bond_d 0.006
x_mcbond_it 2.66
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3616
Nucleic Acid Atoms 0
Heterogen Atoms 15
Solvent Atoms 97

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
SHARP/MLPHARE/CCP4 model building
X-PLOR refinement version: 3.851
SHARP phasing
MLPHARE phasing
CCP4 phasing