X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details VAPOUR DIFFUSION AT 4 DEG C, 0.1 M HEPES PH 7.0, 1M LITHIUM SULPHATE

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 160.56 α = 90
b = 160.29 β = 90
c = 66.51 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD MIRRORS 2003-06-19
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-4 -- ESRF ID14-4

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 30 94.3 0.22 -- -- 3.4 -- 44067 -- 0.0 --

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
OTHER 2.72 15.0 -- -- -- 41563 2230 93.4 -- 0.211 0.208 0.269 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 2.72 2.78 -- 146 2555 0.325 0.414 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 22.56
Anisotropic B[1][1] -0.14
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.15
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.29
RMS Deviations
Key Refinement Restraint Deviation
r_nbd_refined 0.223
r_symmetry_hbond_refined 0.129
r_scangle_it 2.616
r_dihedral_angle_2_deg 42.395
r_dihedral_angle_4_deg 18.092
r_mcangle_it 1.252
r_mcbond_it 0.696
r_chiral_restr 0.102
r_nbtor_refined 0.315
r_gen_planes_refined 0.005
r_symmetry_vdw_refined 0.259
r_angle_refined_deg 1.459
r_dihedral_angle_1_deg 6.363
r_dihedral_angle_3_deg 19.583
r_bond_refined_d 0.012
r_xyhbond_nbd_refined 0.142
r_scbond_it 1.559
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 8930
Nucleic Acid Atoms 0
Heterogen Atoms 46
Solvent Atoms 201

Software

Software
Software Name Purpose
REFMAC refinement version: 5.2.0019
DENZO data reduction
SCALEPACK data scaling