X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details 12-18% PEG4000, 0.1M HEPES PH 7.5, 0.2M MAGNESIUM ACETATE, 10MM DTT

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 87.69 α = 90
b = 87.69 β = 90
c = 103.72 γ = 120
Symmetry
Space Group P 31 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD MIRRORS --
Diffraction Radiation
Monochromator Protocol
SI(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX14.1 -- SRS PX14.1

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
2.2 76 98.9 0.05 -- -- 3.5 -- 23591 -- -- --
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)
2.2 2.32 97.4 0.26 -- 2.8 3.4 --

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 2.2 76.7 -- -- -- 22381 1205 98.6 -- 0.185 0.182 0.233 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 2.2 2.26 -- 111 1558 0.241 0.276 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 34.52
Anisotropic B[1][1] 0.97
Anisotropic B[1][2] 0.48
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.97
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.45
RMS Deviations
Key Refinement Restraint Deviation
r_mcangle_it 3.811
r_bond_refined_d 0.012
r_scangle_it 5.066
r_symmetry_vdw_other 0.275
r_gen_planes_other 0.006
r_chiral_restr 0.076
r_mcbond_it 2.393
r_angle_other_deg 0.795
r_symmetry_vdw_refined 0.183
r_scbond_it 3.275
r_gen_planes_refined 0.006
r_nbtor_other 0.084
r_bond_other_d 0.002
r_xyhbond_nbd_refined 0.206
r_symmetry_hbond_refined 0.222
r_nbd_refined 0.196
r_nbd_other 0.236
r_angle_refined_deg 1.301
r_dihedral_angle_1_deg 5.734
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2297
Nucleic Acid Atoms 0
Heterogen Atoms 1
Solvent Atoms 195

Software

Software
Software Name Purpose
REFMAC refinement version: 5.1.29
MOSFLM data reduction
SCALA data scaling
AMoRE phasing