X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

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 CCD -- 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_dihedral_angle_3_deg 18.311
r_angle_refined_deg 1.57
r_dihedral_angle_4_deg 14.161
r_gen_planes_refined 0.006
r_dihedral_angle_1_deg 6.741
r_scangle_it 2.623
r_scbond_it 1.634
r_chiral_restr 0.103
r_mcbond_it 0.781
r_dihedral_angle_2_deg 37.04
r_bond_refined_d 0.012
r_mcangle_it 1.438
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

Software
Software Name Purpose
REFMAC refinement version: 5.5.0070
XDS data reduction
XSCALE data scaling
PHASER phasing