X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6
Details 0.2M AMMONIUM SULPHATE, 0.1M SODIUM ACETATE, PH 5.6, 25% PEG 4000

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 73.6 α = 90
b = 73.6 β = 90
c = 175.56 γ = 90
Symmetry
Space Group P 41 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- --
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE BM14 -- ESRF BM14

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
2.4 20 99.5 0.03 -- -- 4.0 -- 19619 -- 1.5 --
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)
2.4 2.46 98.6 0.27 -- 3.1 -- --

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 2.4 20.0 -- -- -- 18554 1000 99.7 -- 0.241 0.237 0.333 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 2.4 2.46 -- 71 1294 0.3 0.415 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 49.08
Anisotropic B[1][1] 1.21
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 1.21
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -2.42
RMS Deviations
Key Refinement Restraint Deviation
r_gen_planes_refined 0.006
r_scbond_it 2.35
r_xyhbond_nbd_refined 0.17
r_symmetry_vdw_refined 0.28
r_mcbond_it 0.944
r_scangle_it 3.784
r_chiral_restr 0.107
r_dihedral_angle_1_deg 7.195
r_nbd_refined 0.229
r_symmetry_hbond_refined 0.267
r_mcangle_it 1.737
r_bond_refined_d 0.016
r_angle_refined_deg 1.668
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3307
Nucleic Acid Atoms 0
Heterogen Atoms 12
Solvent Atoms 86

Software

Software
Software Name Purpose
REFMAC refinement version: 5.1.19
DENZO data reduction
SCALEPACK data scaling
CNS phasing