X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.5
Temperature 291.0
Details 20% (w/v) PEG 8000, 0.2 M MgCl2 and 0.1 M Tris, pH 8.5, vapor diffusion, sitting drop, temperature 291K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 93.5 α = 90
b = 93.5 β = 90
c = 137.07 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 MARMOSAIC 325 mm CCD -- 2009-08-08
Diffraction Radiation
Monochromator Protocol
SI(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL11-1 -- SSRL BL11-1

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
2.67 80.97 99.8 0.101 0.101 -- 7.2 -- 20223 -- 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)
2.67 2.81 100.0 0.416 0.416 1.7 7.2 --

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 2.67 68.54 -- -- 24605 19135 1028 99.6 -- 0.198 0.195 0.253 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 2.67 2.74 -- 74 1387 0.373 0.399 -- 99.52
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 67.3
Anisotropic B[1][1] -5.735
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -5.735
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 11.47
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 4.317
r_chiral_restr 0.084
r_dihedral_angle_1_deg 5.844
r_gen_planes_refined 0.011
r_mcangle_it 1.736
r_bond_refined_d 0.01
r_scbond_it 2.554
r_angle_refined_deg 1.406
r_dihedral_angle_2_deg 33.84
r_dihedral_angle_4_deg 22.894
r_dihedral_angle_3_deg 18.074
r_mcbond_it 0.897
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3693
Nucleic Acid Atoms 0
Heterogen Atoms 208
Solvent Atoms 31

Software

Software
Software Name Purpose
SCALA data scaling version: 3.2.25
PHASER phasing version: 1.3.3
REFMAC refinement
PDB_EXTRACT data extraction version: 3.005
MOSFLM data reduction