X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.5
Details pH 4.50

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 56.41 α = 90
b = 61.12 β = 90
c = 75.52 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 MARRESEARCH -- 1999-06-16
Diffraction Radiation
Monochromator Protocol
-- MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE BM14 0.8860, 0.9755, 0.9787 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
1.54 24.25 97.7 -- 0.03 -- 2.9 -- 38205 -- -- 12.5
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)
1.54 1.6 81.3 -- 0.116 6.2 2.3 --

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 1.54 24.25 -- 0.0 -- 38205 1919 97.4 -- 0.178 0.178 0.193 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 1.54 1.64 -- 265 5240 0.206 0.234 0.014 85.6
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 12.5
Anisotropic B[1][1] -2.31
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 1.85
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.47
RMS Deviations
Key Refinement Restraint Deviation
c_scbond_it 0.45
c_bond_d 0.005
c_mcangle_it 0.53
c_improper_angle_d 0.76
c_scangle_it 0.68
c_angle_deg 1.5
c_dihedral_angle_d 26.1
c_mcbond_it 0.3
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.15
Luzzati Sigma A (Observed) 0.09
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.17
Luzzati Sigma A (R-Free Set) 0.12
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2206
Nucleic Acid Atoms 0
Heterogen Atoms 14
Solvent Atoms 405

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
CNS phasing version: 0.9
SOLVE phasing
CNS refinement version: 0.9