X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 5
Temperature 300.0
Details 16% polyethylene glycol 3350, 8% tacsimate, pH 5.0, VAPOR DIFFUSION, SITTING DROP, temperature 300K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 79.1 α = 90
b = 191.35 β = 90
c = 151.03 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARMOSAIC 325 mm CCD -- 2011-03-16
Diffraction Radiation
Monochromator Protocol
Side scattering bent cube-root I-beam single crystal; asymmetric cut 4.965 degs SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL7-1 0.979 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
2.8 50 98.9 0.137 -- -- 4.0 28702 28387 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)
2.8 2.87 99.9 0.695 -- 2.2 4.0 1894

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 2.8 49.65 -- -- -- 26949 1438 98.87 -- 0.23729 0.23555 0.27054 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 2.798 2.871 -- 111 1934 0.323 0.392 -- 97.89
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 46.528
Anisotropic B[1][1] -0.05
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.09
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.03
RMS Deviations
Key Refinement Restraint Deviation
r_chiral_restr 0.047
r_gen_planes_refined 0.002
r_mcbond_it 0.076
r_scbond_it 0.184
r_dihedral_angle_1_deg 4.144
r_dihedral_angle_3_deg 12.049
r_bond_refined_d 0.005
r_mcangle_it 0.145
r_dihedral_angle_2_deg 33.344
r_dihedral_angle_4_deg 11.812
r_angle_refined_deg 0.835
r_scangle_it 0.341
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6360
Nucleic Acid Atoms 0
Heterogen Atoms 186
Solvent Atoms 48

Software

Software
Software Name Purpose
HKL-2000 data collection
MOLREP phasing
REFMAC refinement version: 5.5.0109
HKL-2000 data reduction
HKL-2000 data scaling