X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.25
Details 14% PEG 4000, 0.2 M LI2SO4, 0.1 M TRIS PH 7.25

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 143.29 α = 90
b = 67.56 β = 95.93
c = 106.95 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH BENT MIRROR 1999-05-15
Diffraction Radiation
Monochromator Protocol
SI(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID2 -- ESRF ID2

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 25 95.5 0.095 -- -- 3.9 -- 49599 -- 0.0 43.4
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 2.3 93.3 0.53 -- 1.1 3.3 --

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 2.2 100.0 -- 0.0 -- 49558 2776 95.4 -- 0.255 0.255 0.306 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 2.34 -- 433 7612 0.366 0.396 0.019 93.4
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 62.4
Anisotropic B[1][1] -4.87
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -4.02
Anisotropic B[2][2] 5.25
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.38
RMS Deviations
Key Refinement Restraint Deviation
c_mcbond_it 2.88
c_bond_d 0.007
c_scangle_it 5.59
c_angle_deg 1.3
c_scbond_it 4.27
c_dihedral_angle_d 21.8
c_mcangle_it 4.3
c_improper_angle_d 0.81
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.36
Luzzati Sigma A (Observed) 0.38
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.44
Luzzati Sigma A (R-Free Set) 0.47
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6805
Nucleic Acid Atoms 0
Heterogen Atoms 40
Solvent Atoms 253

Software

Software
Software Name Purpose
SOLVE model building
SCALA data scaling
CNS phasing version: 1.0
SHARP phasing
SOLOMON phasing
SOLVE phasing
CNS refinement version: 1.0