X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 7.8
Temperature 298.0
Details 12% PEG 8000, 0.15 M Ca Acetate, 0.1 M Imidazole, pH 7.8, VAPOR DIFFUSION, SITTING DROP, temperature 298.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 84.05 α = 90
b = 82.73 β = 90
c = 82.36 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 200
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- --
Diffraction Radiation
Monochromator Protocol
Si 111 CHANNEL SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ALS BEAMLINE 5.0.3 1.0 ALS 5.0.3

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
1.95 50 99.1 0.133 0.133 -- 3.6 21069 21069 0.0 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)
1.95 2.02 92.0 0.525 0.525 2.0 3.6 1908

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 1.95 20.0 0.0 0.0 -- 19949 1080 100.0 -- 0.20494 0.20278 0.24441 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 1.95 2.002 -- 77 1320 0.292 0.306 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 10.429
Anisotropic B[1][1] 1.08
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.41
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.67
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 1.473
r_scbond_it 0.891
r_bond_refined_d 0.016
r_angle_refined_deg 1.967
r_dihedral_angle_1_deg 5.291
r_dihedral_angle_2_deg 14.979
r_chiral_restr 0.226
r_gen_planes_refined 0.016
r_nbd_refined 0.25
r_xyhbond_nbd_refined 0.229
r_symmetry_vdw_refined 0.2
r_symmetry_hbond_refined 0.598
r_mcbond_it 0.241
r_mcangle_it 0.49
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2055
Nucleic Acid Atoms 0
Heterogen Atoms 35
Solvent Atoms 257

Software

Computing
Computing Package Purpose
HKL-2000 Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
AMORE Structure Solution
REFMAC 5 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.0 refinement