X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6
Details 0.9-1.2 M AMMONIUM SULPHATE, 100 MM MES PH 6.0-6.5, 100 MM POTASSIUM CHLORIDE

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 104.78 α = 90
b = 104.78 β = 90
c = 251.63 γ = 120
Symmetry
Space Group P 61 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC -- --
Diffraction Radiation
Monochromator Protocol
-- 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
2.9 30.18 99.9 0.12 -- -- 8.8 -- 19123 -- 2.0 --
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)
2.9 3.06 100.0 0.52 -- 3.5 8.2 --

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 2.9 29.64 -- -- -- 17963 979 99.9 -- 0.208 0.205 0.275 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 2.9 2.98 -- 74 1267 0.272 0.341 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 36.82
Anisotropic B[1][1] 0.02
Anisotropic B[1][2] 0.01
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.02
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.03
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 2.535
r_scbond_it 1.514
r_mcangle_it 1.228
r_mcbond_it 0.682
r_nbd_refined 0.231
r_gen_planes_refined 0.004
r_chiral_restr 0.098
r_dihedral_angle_4_deg 20.071
r_dihedral_angle_3_deg 19.63
r_dihedral_angle_2_deg 38.234
r_dihedral_angle_1_deg 6.742
r_angle_refined_deg 1.442
r_bond_refined_d 0.012
r_nbtor_refined 0.316
r_xyhbond_nbd_refined 0.171
r_symmetry_vdw_refined 0.246
r_symmetry_hbond_refined 0.18
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4432
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 5

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
SCALA Data Reduction (data scaling)
PHASER Structure Solution
REFMAC 5.2.0019 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.2.0019 refinement
PHASER model building