X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.5
Details 3 M AMMONIUM SULFATE, 100 MM SODIUM CITRATE PH 5.5 MIXED WITH AN EQUAL VOLUME OF PROTEIN AT 6MG/ML, HANGING DROP VAPOUR DIFFUSION.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 47.19 α = 90
b = 47.19 β = 90
c = 78.41 γ = 120
Symmetry
Space Group P 32 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD -- 2011-08-01
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON DIAMOND BEAMLINE I02 -- Diamond I02

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
1.78 40.87 99.8 0.06 -- -- 7.72 -- 10128 -- 0.0 --
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)
1.78 1.88 100.0 0.35 -- 2.2 7.8 --

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 1.78 19.77 -- -- -- 9603 486 99.72 -- 0.20327 0.20113 0.24825 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 1.781 1.827 -- 37 692 0.312 0.352 -- 99.86
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 24.108
Anisotropic B[1][1] 0.01
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.01
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.01
RMS Deviations
Key Refinement Restraint Deviation
r_angle_refined_deg 1.987
r_bond_refined_d 0.024
r_xyhbond_nbd_refined 0.168
r_bond_other_d 0.001
r_mcangle_it 2.054
r_gen_planes_refined 0.009
r_mcbond_other 0.383
r_scangle_it 5.358
r_dihedral_angle_2_deg 39.851
r_symmetry_hbond_refined 0.72
r_angle_other_deg 0.968
r_chiral_restr 0.114
r_nbtor_other 0.095
r_scbond_it 3.576
r_nbtor_refined 0.165
r_dihedral_angle_3_deg 14.315
r_dihedral_angle_1_deg 5.925
r_xyhbond_nbd_other 0.023
r_nbd_refined 0.221
r_nbd_other 0.184
r_symmetry_vdw_other 0.155
r_symmetry_vdw_refined 0.15
r_mcbond_it 1.249
r_gen_planes_other 0.001
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 622
Nucleic Acid Atoms 0
Heterogen Atoms 15
Solvent Atoms 46

Software

Software
Software Name Purpose
REFMAC refinement version: 5.5.0109
MOSFLM data reduction
SCALA data scaling
PHASER phasing