X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.5
Temperature 298.0
Details 20-30% PEG 5000 MME, 0.1M MES pH6.5, 0.2M ammonium sulfate, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 66.17 α = 90
b = 109.77 β = 90
c = 175.14 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 110
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- --
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X4A -- NSLS X4A

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
2.5 20 96.4 -- -- -- 3.9 44400 42223 1.0 1.0 --
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)
2.52 2.58 90.0 -- -- -- -- --

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 2.52 20.0 1.0 1.0 42223 37518 1871 92.88 0.226 0.22521 0.22205 0.28425 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 2.521 2.586 -- 0 2058 0.336 -- -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 16.813
Anisotropic B[1][1] -2.69
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.37
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 3.07
RMS Deviations
Key Refinement Restraint Deviation
r_xyhbond_nbd_refined 0.153
r_symmetry_vdw_refined 0.28
r_scangle_it 3.61
r_mcangle_it 1.283
r_scbond_it 2.193
r_symmetry_hbond_refined 0.096
r_mcbond_it 0.654
r_gen_planes_refined 0.006
r_nbd_refined 0.248
r_dihedral_angle_1_deg 7.713
r_angle_refined_deg 1.786
r_chiral_restr 0.111
r_bond_refined_d 0.016
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 7778
Nucleic Acid Atoms 0
Heterogen Atoms 33
Solvent Atoms 79

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
MOLREP phasing
REFMAC refinement version: 5.1.19