X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details 2.3 M AMMONIUM SULPHATE 0.1 M TRIS-HCL PH 8.25

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 121.95 α = 90
b = 121.95 β = 90
c = 48.07 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 -- 2003-02-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-2 -- ESRF ID14-2

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 30 99.9 0.076 -- -- 3.7 -- 44644 -- -- --
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 99.8 0.592 -- 2.7 3.5 --

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 1.9 30.0 -- -- -- 31794 669 99.8 -- 0.235 0.234 0.279 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 1.95 -- 60 2295 0.298 0.357 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 18.42
Anisotropic B[1][1] 0.46
Anisotropic B[1][2] 0.23
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.46
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.69
RMS Deviations
Key Refinement Restraint Deviation
r_mcangle_it 1.473
r_nbd_refined 0.211
r_chiral_restr 0.094
r_angle_refined_deg 1.602
r_symmetry_vdw_refined 0.221
r_gen_planes_other 0.005
r_scbond_it 2.268
r_angle_other_deg 0.871
r_gen_planes_refined 0.008
r_bond_refined_d 0.015
r_nbtor_other 0.087
r_mcbond_it 0.826
r_bond_other_d 0.002
r_dihedral_angle_1_deg 7.434
r_scangle_it 3.539
r_nbd_other 0.243
r_symmetry_hbond_refined 0.263
r_xyhbond_nbd_refined 0.197
r_symmetry_vdw_other 0.217
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2297
Nucleic Acid Atoms 0
Heterogen Atoms 77
Solvent Atoms 194

Software

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