X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details PH7.0, 15-20% PEG 8000, 100-200 MM MAGNESIUM ACETATE, pH 7.00

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 117.04 α = 90
b = 80.28 β = 101.95
c = 52.82 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
CCD ADSC MIRRORS 1999-11-15
Diffraction Radiation
Monochromator Protocol
SILICON OTHER
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX9.6 -- SRS PX9.6

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 26.63 99.1 0.052 0.052 -- 3.7 -- 24415 -- -- 43.66
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 99.1 0.231 0.231 3.1 3.7 --

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
MIRAS 2.2 23.72 -- 2.0 -- 23767 2285 97.6 -- 0.235 0.235 0.268 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 -- 386 3389 0.24 0.309 0.016 93.7
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 42.3
Anisotropic B[1][1] 1.57
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.25
Anisotropic B[2][2] 2.21
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -3.78
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 12.39
c_scbond_it 12.13
c_mcangle_it 2.39
c_mcbond_it 1.46
c_improper_angle_d 0.73
c_bond_d 0.006
c_angle_deg 1.1
c_dihedral_angle_d 17.3
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.28
Luzzati Sigma A (Observed) 0.16
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.34
Luzzati Sigma A (R-Free Set) 0.25
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2923
Nucleic Acid Atoms 0
Heterogen Atoms 1
Solvent Atoms 133

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
CCP4, SOLVE, SHARP Structure Solution
CNS 1.0 Structure Refinement
Software
Software Name Purpose
CNS version: 1.0 refinement
SHARP model building
SOLVE model building
CCP4 model building