X-RAY DIFFRACTION Experimental Data & Validation


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Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6
Details 0.1M MES pH 6.0, glycerol, MgSO4, VAPOR DIFFUSION, HANGING DROP

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 52.79 α = 90
b = 111.62 β = 90
c = 130.76 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 293.15
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARMOSAIC 300 mm CCD -- 2008-10-09
Diffraction Radiation
Monochromator Protocol
SI(III) MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 22-ID 1.00 APS 22-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
2.78 65.38 95.2 -- 0.071 -- 3.9 9198 8757 0.0 0.0 72.12
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)
2.82 2.92 70.0 0.345 -- -- 3.1 --

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 2.78 65.38 -- -- 9198 8757 442 91.77 -- 0.21088 0.20725 0.28025 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 2.784 2.857 -- 16 390 0.326 0.553 -- 59.62
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 79.376
Anisotropic B[1][1] 0.07
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 1.34
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.41
RMS Deviations
Key Refinement Restraint Deviation
r_gen_planes_refined 0.005
r_chiral_restr 0.137
r_dihedral_angle_4_deg 15.647
r_dihedral_angle_3_deg 19.466
r_dihedral_angle_2_deg 40.695
r_dihedral_angle_1_deg 5.962
r_angle_refined_deg 1.774
r_bond_refined_d 0.012
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1999
Nucleic Acid Atoms 0
Heterogen Atoms 81
Solvent Atoms 31

Software

Computing
Computing Package Purpose
HKL-2000 Data Collection
HKL-2000 Data Reduction (intensity integration)
HKL-2000 Data Reduction (data scaling)
PHASES Structure Solution
REFMAC 5.6.0111 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.6.0111 refinement
PHASES model building
HKL-2000 data collection