X-RAY DIFFRACTION Experimental Data & Validation


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Crystallization

Crystalization Experiments
pH 8.5
Details 1.8M AMMONIUM SULFATE 0.1M TRIS PH 8.5, 0.05M ASCORBIC ACID, VAPOR DIFFUSION, TEMPERATURE 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 71.94 α = 90
b = 73.4 β = 90
c = 75.23 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 ADSC -- 2008-11-23
Diffraction Radiation
Monochromator Protocol
SI111 SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID29 -- ESRF ID29

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
2.35 2.41 99.9 0.09 -- -- 7.1 -- 17145 -- -3.0 53.67
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)
2.35 2.41 99.9 0.6 -- 3.3 7.3 --

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
MOLECULAR REPLACEMENT 2.35 19.81 -- -- -- 16265 842 99.9 -- 0.226 0.222 0.302 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 2.35 2.41 -- 63 1161 0.274 0.341 -- 99.84
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 51.0
Anisotropic B[1][1] -2.2
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.36
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 2.56
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 2.623
r_scbond_it 1.634
r_mcangle_it 1.438
r_mcbond_it 0.781
r_gen_planes_refined 0.006
r_chiral_restr 0.103
r_dihedral_angle_4_deg 14.161
r_dihedral_angle_3_deg 18.311
r_dihedral_angle_2_deg 37.04
r_dihedral_angle_1_deg 6.741
r_angle_refined_deg 1.57
r_bond_refined_d 0.012
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3597
Nucleic Acid Atoms 0
Heterogen Atoms 2
Solvent Atoms 77

Software

Computing
Computing Package Purpose
XDS Data Reduction (intensity integration)
XSCALE Data Reduction (data scaling)
PHASER Structure Solution
REFMAC 5.5.0070 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.5.0070 refinement
PHASER model building