X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.4
Temperature 295.0
Details PEG, salt, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 295.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 96.1 α = 90
b = 105.8 β = 90
c = 121.8 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 298
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2001-11-07
Diffraction Radiation
Monochromator Protocol
graphite MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 19-BM 1.5418, 1.5621, 1.7321 APS 19-BM

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
2.3 50 92.0 -- -- -- -- 51692 43983 -3.0 -3.0 19.7
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)
2.3 2.38 75.0 -- -- -- -- --

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
MAD 2.3 100.0 -- 1.0 51234 43983 2215 78.8 -- 0.208 0.208 0.254 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 2.3 2.38 -- 91 1632 0.374 0.416 0.044 31.4
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 34.9
Anisotropic B[1][1] 0.03
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.43
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.46
RMS Deviations
Key Refinement Restraint Deviation
x_scbond_it 4.68
x_scangle_it 6.35
x_mcangle_it 3.91
x_mcbond_it 2.89
x_bond_d 0.016
x_angle_deg 1.7
x_improper_angle_d 1.48
x_dihedral_angle_d 26.1
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.32
Luzzati Sigma A (Observed) 0.6
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.39
Luzzati Sigma A (R-Free Set) 0.8
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 8776
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 323

Software

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