X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Details 25% PEG 8000, 0.2 M AMMONIUM SULPHATE AND 0.1 M TRIS-HCL PH 8.0

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 54.22 α = 90
b = 58.33 β = 90
c = 66.75 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
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
1.4 20 98.8 0.07 -- -- 3.7 -- 52037 -- 0.0 7.71
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)
1.3 1.37 93.4 0.25 -- 3.6 2.9 --

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 1.3 19.86 -- -- -- 49849 2134 98.6 -- 0.106 0.104 0.144 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 1.3 1.33 -- 130 3291 0.172 0.247 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 7.43
Anisotropic B[1][1] 0.22
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.07
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.15
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 3.974
r_dihedral_angle_2_deg 40.432
r_mcbond_it 1.782
r_nbtor_refined 0.189
r_bond_refined_d 0.018
r_symmetry_hbond_refined 0.243
r_mcangle_it 2.384
r_symmetry_vdw_refined 0.158
r_dihedral_angle_3_deg 11.247
r_gen_planes_other 0.007
r_bond_other_d 0.007
r_nbd_other 0.206
r_symmetry_vdw_other 0.193
r_xyhbond_nbd_refined 0.216
r_nbtor_other 0.092
r_scbond_it 3.35
r_dihedral_angle_4_deg 20.534
r_dihedral_angle_1_deg 7.318
r_gen_planes_refined 0.013
r_chiral_restr 0.127
r_angle_other_deg 1.024
r_nbd_refined 0.439
r_angle_refined_deg 2.454
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1629
Nucleic Acid Atoms 0
Heterogen Atoms 26
Solvent Atoms 422

Software

Software
Software Name Purpose
REFMAC refinement version: 5.2.0003
MOSFLM data reduction
SCALA data scaling