X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 7.5
Temperature 294.0
Details 2.2M Ammonium sulfate pH 7.5, 100mM Sodium/potassium tartrate, 10% Glycerol, VAPOR DIFFUSION, SITTING DROP, temperature 294K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 58.2 α = 90
b = 58.2 β = 90
c = 96.69 γ = 90
Symmetry
Space Group P 42 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 77
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MAR CCD 165 mm -- 2007-12-15
Diffraction Radiation
Monochromator Protocol
DIAMOND SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 31-ID 0.9793 APS 31-ID

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
2.25 50 99.3 0.061 -- -- 7.4 -- 8444 -- -0.5 --
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)
2.25 2.33 98.4 0.82 -- 1.1 5.6 --

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
SAD 2.5 20.0 -- -- -- 5965 167 99.46 -- 0.24763 0.24645 0.2907 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 2.5 2.564 -- 17 421 0.4 0.367 -- 100.0
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 80.427
Anisotropic B[1][1] -3.38
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -3.38
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 6.76
RMS Deviations
Key Refinement Restraint Deviation
r_gen_planes_refined 0.003
r_mcangle_it 6.237
r_scangle_it 9.683
r_angle_refined_deg 1.185
r_chiral_restr 0.075
r_dihedral_angle_1_deg 4.93
r_xyhbond_nbd_refined 0.162
r_symmetry_hbond_refined 0.172
r_dihedral_angle_2_deg 37.357
r_mcbond_it 3.652
r_bond_refined_d 0.007
r_dihedral_angle_4_deg 12.296
r_scbond_it 6.029
r_symmetry_vdw_refined 0.106
r_dihedral_angle_3_deg 20.373
r_nbd_refined 0.125
r_nbtor_refined 0.294
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1043
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 18

Software

Software
Software Name Purpose
SHELX model building
REFMAC refinement version: 5.3.0034
MAR345 data collection version: CCD
HKL-2000 data reduction
HKL-2000 data scaling
SHELXD phasing