X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.5
Details PEG 8000, SODIUM/POTASSIUM PHOSPHATE, TRIS BUFFER, pH 8.50

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 116.2 α = 90
b = 138.4 β = 90
c = 141.2 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
CCD ADSC QUANTUM 4 -- 1998-03-04
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX9.6 -- SRS PX9.6

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
1.8 75 94.4 0.057 -- -- 4.0 -- 429534 -- 0.0 --
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)
1.8 1.82 93.5 -- -- -- -- --

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 2.0 24.0 -- -- -- 6768 12147 66.9 -- 0.204 0.2 0.242 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 2.0 2.05 -- 738 6768 0.277 0.314 -- --
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 3.549
r_scbond_it 2.411
r_mcangle_it 1.921
r_mcbond_it 1.178
r_nbd_refined 0.236
r_gen_planes_other 0.004
r_gen_planes_refined 0.009
r_chiral_restr 0.118
r_dihedral_angle_3_deg 0.953
r_angle_other_deg 2.056
r_bond_other_d 0.001
r_bond_refined_d 0.018
r_nbd_other 0.223
r_xyhbond_nbd_refined 0.265
r_xyhbond_nbd_other 0.157
r_symmetry_vdw_refined 0.38
r_symmetry_vdw_other 0.23
r_symmetry_hbond_refined 0.341
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 13327
Nucleic Acid Atoms 0
Heterogen Atoms 32
Solvent Atoms 1740

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
AMORE Structure Solution
REFMAC 5.0 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.0 refinement
AMORE model building