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 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_scangle_it 5.066
r_scbond_it 3.275
r_mcangle_it 3.811
r_mcbond_it 2.393
r_nbd_refined 0.196
r_gen_planes_other 0.006
r_gen_planes_refined 0.006
r_chiral_restr 0.076
r_dihedral_angle_1_deg 5.734
r_angle_other_deg 0.795
r_angle_refined_deg 1.301
r_bond_other_d 0.002
r_bond_refined_d 0.012
r_nbd_other 0.236
r_nbtor_other 0.084
r_xyhbond_nbd_refined 0.206
r_symmetry_vdw_refined 0.183
r_symmetry_vdw_other 0.275
r_symmetry_hbond_refined 0.222
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

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
AMORE Structure Solution
REFMAC 5.1.29 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.1.29 refinement
AMORE model building