X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8.5
Temperature 293.0
Details 10% PEG4000; 200mM MgCl2; 100mM Tris HCl, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 94.13 α = 90
b = 121.87 β = 90
c = 47.58 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD BRUKER unfocused 1998-07-12
Diffraction Radiation
Monochromator Protocol
Si 111 reflection MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 17-ID 1.03321, 0.97939, 0.97928 APS 17-ID

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
1.9 10 97.52 -- 0.042 -- 4.5 -- n/a -- -- 7.2
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)
1.899 1.968 -- -- 0.107 -- -- --

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 1.9 9.99 -- 0.0 -- 20886 2067 95.5 -- -- 0.18 0.212 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 1.9 2.02 -- 310 2764 0.192 0.231 0.013 85.4
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 18.8
Anisotropic B[1][1] 5.89
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -5.04
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.85
RMS Deviations
Key Refinement Restraint Deviation
c_scbond_it 0.72
c_scangle_it 1.16
c_angle_deg 1.3
c_mcangle_it 0.92
c_improper_angle_d 0.71
c_bond_d 0.004
c_mcbond_it 0.53
c_dihedral_angle_d 22.9
Coordinate Error
Parameter Value
Luzzati ESD (R-Free Set) 0.22
Luzzati Sigma A (R-Free Set) 0.1
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1452
Nucleic Acid Atoms 0
Heterogen Atoms 1
Solvent Atoms 427

Software

Software
Software Name Purpose
SAINT data scaling
SAINT data reduction
MLPHARE phasing
CNX refinement version: 2000.1