X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Batch Crystallization
pH 7.4
Temperature 277.0
Details Hepes, potassium chloride, dithiothreitol , pH 7.4, BATCH CRYSTALLIZATION, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 49.12 α = 90
b = 123.18 β = 110.49
c = 63.89 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2000-03-07
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-1 -- ESRF ID14-1

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
2.8 15 94.8 0.054 -- -- 3.7 17776 16849 0.0 0.0 60.02
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)
2.8 2.9 72.6 0.287 -- 2.5 2.9 1293

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
MOLECULAR REPLACEMENT 2.8 14.91 0.0 0.0 17588 16654 821 95.4 0.2366 0.2366 0.2342 0.283 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 2.8 2.9 -- 77 1269 0.41 0.388 0.044 75.3
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model restrained
Mean Isotropic B 61.74
Anisotropic B[1][1] -3.4
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 24.18
Anisotropic B[2][2] -6.64
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 10.05
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.46055
c_bond_d 0.007562
c_mcbond_it 0.84
c_improper_angle_d 0.98254
c_dihedral_angle_d 22.6989
c_scangle_it 1.15
c_mcangle_it 1.56
c_scbond_it 0.67
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.42
Luzzati Sigma A (Observed) 0.43
Luzzati Resolution Cutoff (Low) 14.91
Luzzati ESD (R-Free Set) 0.52
Luzzati Sigma A (R-Free Set) 0.42
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4412
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 37

Software

Software
Software Name Purpose
AMoRE phasing
CNS refinement
DENZO data reduction
SCALEPACK data scaling