X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.2
Details 14% PEG 4000, 0.2 M NACL, 25 MM HEPES PH 7.8 10 MM MGCL2, 100 MM 3-PHOSPHOGLYCERATE, pH 7.2

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 157.6 α = 90
b = 158.7 β = 90
c = 203.3 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 283
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1994-10
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX9.5 -- SRS PX9.5

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
2.2 20 85.0 0.103 -- -- 7.4 -- 107965 -- -- --
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)
2.2 2.28 75.0 0.205 -- 4.7 -- --

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
-- 2.2 7.0 -- 0.0 -- 104308 3261 83.8 -- 0.207 0.207 0.224 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 2.2 2.3 -- 293 10188 0.261 0.252 -- 67.7
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model INDIVIDUAL
RMS Deviations
Key Refinement Restraint Deviation
x_bond_d 0.007
x_improper_angle_d 1.256
x_angle_deg 1.667
x_dihedral_angle_d 22.8
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 17856
Nucleic Acid Atoms 0
Heterogen Atoms 92
Solvent Atoms 1008

Software

Software
Software Name Purpose
X-PLOR model building version: 3.1
X-PLOR refinement version: 3.1
MOSFLM data reduction
CCP4 data scaling
X-PLOR phasing version: 3.1