X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details 30% PEG400, O.2 M CACL2, 0.1M HEPES, PH7.5, pH 7.50

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 165.32 α = 90
b = 165.32 β = 90
c = 234.75 γ = 90
Symmetry
Space Group P 41 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2005-09-19
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE X11 -- EMBL/DESY, Hamburg X11

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
2.7 40 97.1 0.08 -- -- 5.3 -- 86996 -- 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)
2.7 2.75 79.0 0.54 -- 2.6 4.6 --

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
MAD 2.75 25.0 -- -- -- 81531 1284 100.0 -- 0.216 0.216 0.262 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 2.75 2.82 -- 70 5012 0.324 0.368 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 38.02
Anisotropic B[1][1] -0.96
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.96
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 1.92
RMS Deviations
Key Refinement Restraint Deviation
r_mcbond_it 1.998
r_dihedral_angle_3_deg 19.429
r_nbtor_refined 0.206
r_dihedral_angle_4_deg 18.616
r_gen_planes_refined 0.004
r_nbtor_other 0.097
r_symmetry_vdw_refined 0.211
r_chiral_restr 0.073
r_dihedral_angle_1_deg 5.116
r_scangle_it 4.709
r_dihedral_angle_2_deg 33.992
r_scbond_it 3.223
r_mcangle_it 2.301
r_gen_planes_other 0.001
r_symmetry_hbond_refined 0.259
r_symmetry_vdw_other 0.334
r_bond_refined_d 0.014
r_angle_other_deg 0.627
r_xyhbond_nbd_refined 0.269
r_angle_refined_deg 1.009
r_bond_other_d 0.001
r_nbd_refined 0.286
r_nbd_other 0.258
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 19191
Nucleic Acid Atoms 0
Heterogen Atoms 174
Solvent Atoms 199

Software

Software
Software Name Purpose
REFMAC refinement version: 5.2.0019
XDS data reduction
XSCALE data scaling
SHARP phasing