X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 6.5
Temperature 291.0
Details 14.4 % (w/v) PEG 8000, 0.08M cacodylate pH 6.5, 0.6M calcium acetate, 20% glycerol, VAPOR DIFFUSION, SITTING DROP, temperature 291K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 91.47 α = 90
b = 91.47 β = 90
c = 150.4 γ = 120
Symmetry
Space Group P 31

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315r -- 2010-02-21
Diffraction Radiation
Monochromator Protocol
Si(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL7-1 0.97 SSRL BL7-1

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
1.76 150 97.9 0.06 0.06 -- 4.7 138705 135654 0.0 0.0 26.276
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)
1.764 1.86 96.8 0.34 0.34 2.2 4.5 --

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 1.76 150.0 0.0 0.0 131683 128826 6796 97.83 0.19753 0.19753 0.19617 0.22368 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 1.764 1.81 9361 520 9361 0.273 0.316 -- 96.96
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 26.276
Anisotropic B[1][1] 0.34
Anisotropic B[1][2] 0.17
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.34
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.51
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 3.82
r_scbond_it 2.289
r_mcangle_it 1.546
r_mcbond_it 0.824
r_gen_planes_refined 0.007
r_chiral_restr 0.096
r_dihedral_angle_4_deg 19.875
r_dihedral_angle_3_deg 13.976
r_dihedral_angle_2_deg 31.386
r_dihedral_angle_1_deg 5.671
r_angle_refined_deg 1.443
r_bond_refined_d 0.013
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 7424
Nucleic Acid Atoms 0
Heterogen Atoms 222
Solvent Atoms 729

Software

Computing
Computing Package Purpose
Blu-Ice Data Collection
iMOSFLM Data Reduction (intensity integration)
SCALA Data Reduction (data scaling)
PHASER Structure Solution
REFMAC 5.5.0102 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.5.0102 refinement
PHASER model building
Blu-Ice data collection