X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details 13 % PEG 6000, 1M LICL, MES PH 6.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 57.76 α = 109.48
b = 62.14 β = 97.61
c = 76.59 γ = 112.74
Symmetry
Space Group P 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH MIRRORS 1999-10-15
Diffraction Radiation
Monochromator Protocol
SI (111) MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE BM14 -- ESRF BM14

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 97.2 -- 0.033 -- 3.7 -- 124846 -- -- 41.5
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)
2.2 2.32 95.3 -- 0.183 3.0 2.1 --

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
MAD 2.25 29.81 -- 0.0 -- 41066 2036 97.9 -- 0.222 0.222 0.243 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 2.25 2.39 -- 326 6521 0.318 0.356 0.02 97.5
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 46.9
Anisotropic B[1][1] 6.13
Anisotropic B[1][2] 15.46
Anisotropic B[1][3] 1.26
Anisotropic B[2][2] 6.85
Anisotropic B[2][3] -0.94
Anisotropic B[3][3] -12.98
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.3
c_improper_angle_d 0.87
c_mcangle_it 1.73
c_bond_d 0.007
c_dihedral_angle_d 21.9
c_scbond_it 1.97
c_mcbond_it 0.99
c_scangle_it 2.67
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.31
Luzzati Sigma A (Observed) 0.35
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.35
Luzzati Sigma A (R-Free Set) 0.44
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6861
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 388

Software

Software
Software Name Purpose
CNS refinement version: 0.9
MOSFLM data reduction
SCALA data scaling
SHARP phasing