X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Details 100 mM HEPES/NaOH (ph 7.5), 100 mM MgCl2, 15% w/v MPEG 2000, VAPOR DIFFUSION, HANGING DROP

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 166.63 α = 90
b = 48.48 β = 110.33
c = 75.61 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL7-1 -- 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
2.5 32.5 -- -- -- -- -- -- 19864 -- -- --

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 2.5 32.5 -- 1.86 -- 19864 1035 97.8 0.1792 0.17975 0.17914 0.20837 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 -- 7928 62 3083 -- -- -- 79.2
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 20.266
Anisotropic B[1][1] -0.68
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -0.96
Anisotropic B[2][2] 0.64
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.62
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 2.882
r_bond_refined_d 0.009
r_angle_refined_deg 1.139
r_dihedral_angle_1_deg 7.341
r_chiral_restr 0.083
r_gen_planes_refined 0.005
r_nbd_refined 0.218
r_xyhbond_nbd_refined 0.123
r_symmetry_vdw_refined 0.211
r_symmetry_hbond_refined 0.207
r_mcbond_it 0.564
r_mcangle_it 1.079
r_scbond_it 1.68
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5038
Nucleic Acid Atoms 0
Heterogen Atoms 105
Solvent Atoms 339

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
AMORE Structure Solution
REFMAC 5.1.27 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.1.27 refinement