X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5
Details pH 5.00

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 137.8 α = 90
b = 109.5 β = 90
c = 72.9 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
IMAGE PLATE MAR scanner 345 mm plate -- 1997-06-27
Diffraction Radiation
Monochromator Protocol
-- 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
2.8 30 94.1 0.073 -- -- 3.7 -- 26234 -- -1.5 61.5
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)
2.8 2.9 81.9 -- -- 1.6 -- --

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 29.63 -- 0.0 -- 26025 1313 93.5 -- 0.261 0.261 0.337 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 -- 115 2055 0.473 0.504 0.047 80.2
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 90.7
Anisotropic B[1][1] -14.24
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -14.41
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 28.65
RMS Deviations
Key Refinement Restraint Deviation
c_mcbond_it 3.86
c_scbond_it 7.03
c_mcangle_it 6.58
c_angle_deg 1.7
c_dihedral_angle_d 23.4
c_bond_d 0.012
c_improper_angle_d 1.09
c_scangle_it 10.95
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.48
Luzzati Sigma A (Observed) 0.76
Luzzati Resolution Cutoff (Low) 30.0
Luzzati ESD (R-Free Set) 0.64
Luzzati Sigma A (R-Free Set) 0.93
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 7655
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 24

Software

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