X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6
Temperature 291.0
Details 14% PEG 400, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 291K, pH 6.00

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 47.1 α = 90
b = 111.77 β = 90
c = 176.25 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 MIRRORS 2002-12-11
Diffraction Radiation
Monochromator Protocol
SI(220) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ALS BEAMLINE 5.0.1 -- ALS 5.0.1

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
2.6 30 97.7 -- 0.071 -- -- -- 28711 -- 2.0 41.3
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)
2.6 2.74 95.0 -- 0.392 1.9 -- --

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 2.6 30.0 -- 0.0 -- 27605 1903 97.7 -- 0.207 0.207 0.238 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 2.6 2.76 -- 284 1903 0.281 0.307 0.018 95.0
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 44.4
Anisotropic B[1][1] -10.09
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.51
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 10.59
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 3.522
c_scbond_it 2.349
c_mcangle_it 2.351
c_mcbond_it 1.437
c_improper_angle_d 0.9
c_bond_d 0.007
c_angle_deg 1.4
c_dihedral_angle_d 25.9
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.3
Luzzati Sigma A (Observed) 0.36
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.35
Luzzati Sigma A (R-Free Set) 0.37
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4449
Nucleic Acid Atoms 0
Heterogen Atoms 36
Solvent Atoms 217

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
AMORE Structure Solution
CNS Structure Refinement
Software
Software Name Purpose
CNS refinement
AMoRE model building
SCALEPACK data reduction
MOSFLM data collection