X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5
Temperature 291.0
Details ammonium sulphate, sodium citrate, polyethyleneglycol, sodium chloride, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 42.66 α = 90
b = 85.59 β = 90
c = 63.49 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
IMAGE PLATE MACSCIENCE -- 2002-10-20
Diffraction Radiation
Monochromator Protocol
Ni Filter, Pt mirrors SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE ENRAF-NONIUS 1.5418 -- --

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
1.9 20 100.0 0.086 -- -- -- 18946 18946 0.0 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)
1.9 1.97 100.0 0.575 -- -- -- --

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
FOURIER SYNTHESIS 1.9 19.69 -- 0.0 18946 17967 979 100.0 0.21 0.20063 0.19953 0.22141 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 1.9 1.949 -- 77 1296 0.232 0.244 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 15.362
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 2.817
r_scbond_it 1.61
r_mcangle_it 1.208
r_mcbond_it 0.626
r_symmetry_hbond_refined 0.162
r_symmetry_vdw_other 0.207
r_symmetry_vdw_refined 0.166
r_xyhbond_nbd_other 0.025
r_bond_refined_d 0.007
r_bond_other_d 0.001
r_angle_refined_deg 1.177
r_angle_other_deg 0.692
r_dihedral_angle_1_deg 3.393
r_dihedral_angle_3_deg 17.601
r_chiral_restr 0.073
r_gen_planes_refined 0.003
r_gen_planes_other 0.001
r_nbd_refined 0.197
r_nbd_other 0.202
r_xyhbond_nbd_refined 0.13
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1785
Nucleic Acid Atoms 0
Heterogen Atoms 6
Solvent Atoms 136

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
CNS Structure Solution
REFMAC 5 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.0 refinement