X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details 2.2 M AMMONIUM SULPHATE, 0.1 M TRIS PH7.5, pH 7.50

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 121.83 α = 90
b = 121.83 β = 90
c = 47.75 γ = 120
Symmetry
Space Group P 32 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD -- 2003-02-04
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-1 -- ESRF ID14-1

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
1.95 25 90.5 0.08 -- -- 4.3 -- 28782 -- 2.0 --
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)
1.95 2.02 99.2 0.42 -- 2.3 3.0 --

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
MOLECULAR REPLACEMENT 1.95 25.0 -- -- -- 27210 588 94.4 -- 0.186 0.185 0.23 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 1.95 2.0 -- 31 1452 0.266 0.381 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 26.49
Anisotropic B[1][1] 1.53
Anisotropic B[1][2] 0.76
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 1.53
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -2.29
RMS Deviations
Key Refinement Restraint Deviation
r_chiral_restr 0.091
r_symmetry_vdw_refined 0.758
r_scbond_it 2.508
r_gen_planes_other 0.004
r_symmetry_vdw_other 0.335
r_scangle_it 4.033
r_gen_planes_refined 0.007
r_nbd_other 0.252
r_angle_refined_deg 1.512
r_angle_other_deg 0.867
r_mcangle_it 1.676
r_xyhbond_nbd_refined 0.148
r_nbd_refined 0.208
r_dihedral_angle_1_deg 5.663
r_nbtor_other 0.084
r_bond_other_d 0.002
r_mcbond_it 0.909
r_symmetry_hbond_refined 0.284
r_bond_refined_d 0.014
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2301
Nucleic Acid Atoms 0
Heterogen Atoms 108
Solvent Atoms 166

Software

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