X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.2
Details pH 6.2

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 132.2 α = 90
b = 89.4 β = 95.4
c = 89.9 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 293
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1997-08-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
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
2.59 30 92.8 0.06 -- -- 5.3 -- 30766 -- -- 61.2

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 2.6 12.0 -- 0.0 -- 28508 1446 89.5 -- 0.184 0.184 0.229 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 2.74 -- 211 3654 0.259 0.288 0.02 85.1
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 53.0
Anisotropic B[1][1] -1.45
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 16.86
Anisotropic B[2][2] -7.89
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 9.34
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 4.5
c_scbond_it 3.12
c_mcbond_it 1.98
c_angle_deg 1.3
c_dihedral_angle_d 26.8
c_improper_angle_d 0.79
c_bond_d 0.007
c_mcangle_it 3.19
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.27
Luzzati Sigma A (Observed) 0.33
Luzzati Resolution Cutoff (Low) 4.5
Luzzati ESD (R-Free Set) 0.35
Luzzati Sigma A (R-Free Set) 0.4
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5501
Nucleic Acid Atoms 0
Heterogen Atoms 105
Solvent Atoms 143

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
SOLVE phasing
CNS refinement version: 0.4