X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Details 0.1 M HEPES PH 7.5, 0.2 M MAGNESIUM NITRATE, 8-16% (W/V) PEG 3350

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 90.86 α = 90
b = 90.86 β = 90
c = 92.91 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 -- 2005-09-07
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
2.25 40.82 100.0 0.08 -- -- 5.5 -- 21525 -- 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)
2.25 2.37 100.0 0.47 -- 3.2 5.6 --

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 2.25 40.83 -- -- -- 20374 1099 99.9 -- 0.201 0.199 0.24 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 2.25 2.31 -- 86 1464 0.263 0.381 -- 100.0
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 46.59
Anisotropic B[1][1] 0.39
Anisotropic B[1][2] 0.19
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.39
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.58
RMS Deviations
Key Refinement Restraint Deviation
r_xyhbond_nbd_refined 0.181
r_symmetry_vdw_refined 0.214
r_gen_planes_refined 0.007
r_scangle_it 3.441
r_mcbond_it 0.946
r_scbond_it 2.354
r_dihedral_angle_1_deg 6.395
r_nbd_refined 0.224
r_angle_refined_deg 1.726
r_nbtor_refined 0.303
r_mcangle_it 1.493
r_dihedral_angle_2_deg 37.183
r_dihedral_angle_3_deg 17.914
r_dihedral_angle_4_deg 22.093
r_metal_ion_refined 0.022
r_chiral_restr 0.118
r_symmetry_hbond_refined 0.166
r_bond_refined_d 0.018
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2273
Nucleic Acid Atoms 0
Heterogen Atoms 34
Solvent Atoms 154

Software

Software
Software Name Purpose
REFMAC refinement version: 5.2.0019
MOSFLM data reduction
SCALA data scaling
PHASER phasing