X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.75
Temperature 293.0
Details 3.1 M ammonium sulfate, 200 mM NaCl, 100 mM sodium cacodylate, pH 6.75, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 61.65 α = 72.99
b = 63.76 β = 67.21
c = 71.74 γ = 89.79
Symmetry
Space Group P 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315r -- 2009-06-25
Diffraction Radiation
Monochromator Protocol
DOUBLE FLAT CRYSTAL, SI(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ALS BEAMLINE 8.3.1 -- ALS 8.3.1

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
1.36 62.76 93.3 0.048 -- -- 2.0 -- 191224 -- 2.0 14.0
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)
1.36 1.38 90.6 0.264 -- 3.7 1.9 --

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 1.36 62.76 -- -- -- 191224 9658 93.3 -- 0.203 0.202 0.225 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 1.36 1.4 -- 346 12773 0.283 0.317 -- 89.35
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model Isotropic
Mean Isotropic B 15.86
Anisotropic B[1][1] 0.2
Anisotropic B[1][2] 0.14
Anisotropic B[1][3] -0.14
Anisotropic B[2][2] -0.21
Anisotropic B[2][3] -0.35
Anisotropic B[3][3] 0.32
RMS Deviations
Key Refinement Restraint Deviation
r_angle_refined_deg 2.725
r_dihedral_angle_2_deg 33.175
r_dihedral_angle_3_deg 14.684
r_gen_planes_refined 0.016
r_dihedral_angle_1_deg 6.253
r_chiral_restr 0.281
r_scangle_it 5.075
r_mcangle_it 2.406
r_dihedral_angle_4_deg 20.409
r_mcbond_it 1.564
r_bond_refined_d 0.033
r_scbond_it 3.483
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6828
Nucleic Acid Atoms 0
Heterogen Atoms 102
Solvent Atoms 474

Software

Software
Software Name Purpose
ADSC data collection version: Quantum
PHASES phasing
REFMAC refinement version: 5.5.0102
HKL-2000 data reduction
HKL-2000 data scaling