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 = 88.65 α = 90
b = 88.65 β = 90
c = 88.9 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 -- 2005-09-26
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX14.1 -- SRS PX14.1

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
2.7 39.65 98.7 0.07 -- -- 4.3 -- 11261 -- 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)
2.7 2.85 100.0 0.53 -- 2.8 4.3 --

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 2.7 76.7 -- -- -- 10709 541 98.4 -- 0.207 0.204 0.271 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 2.7 2.77 -- 45 787 0.415 0.431 -- 99.76
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 55.19
Anisotropic B[1][1] 1.3
Anisotropic B[1][2] 0.65
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 1.3
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.95
RMS Deviations
Key Refinement Restraint Deviation
r_symmetry_hbond_refined 0.358
r_angle_refined_deg 2.226
r_xyhbond_nbd_refined 0.22
r_symmetry_vdw_refined 0.299
r_metal_ion_refined 0.31
r_dihedral_angle_2_deg 37.159
r_mcbond_it 0.96
r_gen_planes_refined 0.007
r_scangle_it 3.92
r_nbd_refined 0.263
r_mcangle_it 1.569
r_dihedral_angle_3_deg 24.36
r_scbond_it 2.511
r_nbtor_refined 0.325
r_dihedral_angle_4_deg 21.37
r_chiral_restr 0.126
r_dihedral_angle_1_deg 7.074
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2152
Nucleic Acid Atoms 0
Heterogen Atoms 23
Solvent Atoms 45

Software

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