X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.5
Details pH 8.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 81.44 α = 90
b = 71.13 β = 105.28
c = 77.86 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 160
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM -- 1997-02
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON CHESS BEAMLINE A1 -- CHESS A1

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
1.7 30 99.0 -- 0.052 -- 7.0 -- 47047 -- -- 23.9
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)
1.7 1.76 95.8 -- 0.27 3.5 3.0 --

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/NCS AVERAGING 1.7 20.0 -- 0.2 -- 45678 2275 96.8 -- 0.198 0.198 0.261 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 1.7 1.78 -- 257 5104 0.32 0.35 0.021 91.4
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 31.9
Anisotropic B[1][1] 1.905
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -2.748
Anisotropic B[2][2] -4.0386
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 2.1336
RMS Deviations
Key Refinement Restraint Deviation
x_scangle_it 6.3
x_dihedral_angle_d 28.8
x_angle_deg 1.76
x_bond_d 0.013
x_mcangle_it 4.9
x_mcbond_it 2.4
x_scbond_it 3.9
x_improper_angle_d 0.99
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.22
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.28
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3090
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 476

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
X-PLOR model building version: 3.851
X-PLOR refinement version: 3.851
X-PLOR phasing version: 3.851