X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.4
Details 10 PERCENT PEG4000,50 MM AMMONIUM ACETATE, 50 MM HEPES PH 7.4

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 53.22 α = 90
b = 71.61 β = 90
c = 71.59 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1998-11-23
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ELETTRA BEAMLINE 5.2R -- ELETTRA 5.2R

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
1.85 20 97.4 0.05 -- -- 3.5 -- 23407 -- -- --
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)
1.85 2.0 98.4 0.21 -- 4.0 -- --

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 1.85 20.0 -- -- -- 22169 1200 97.5 -- 0.226 0.223 0.272 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 1.85 1.9 -- 86 1606 0.234 0.31 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 27.71
Anisotropic B[1][1] 0.01
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -1.53
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 1.52
RMS Deviations
Key Refinement Restraint Deviation
r_gen_planes_other 0.004
r_nbtor_other 0.087
r_symmetry_vdw_refined 0.131
r_symmetry_vdw_other 0.271
r_mcangle_it 1.947
r_bond_refined_d 0.016
r_nbd_refined 0.221
r_nbd_other 0.242
r_angle_refined_deg 1.521
r_scbond_it 2.593
r_xyhbond_nbd_refined 0.125
r_symmetry_hbond_refined 0.159
r_gen_planes_refined 0.008
r_chiral_restr 0.143
r_dihedral_angle_1_deg 6.338
r_mcbond_it 1.104
r_bond_other_d 0.002
r_scangle_it 4.109
r_angle_other_deg 0.911
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2215
Nucleic Acid Atoms 0
Heterogen Atoms 18
Solvent Atoms 67

Software

Software
Software Name Purpose
REFMAC refinement version: 5.1.24
DENZO data reduction
SCALEPACK data scaling