X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.8
Details 18% V/V PEG3350 AND 0.1M SODIUM CITRATE, pH 7.8

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 74.42 α = 90
b = 114.92 β = 90
c = 154.47 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD MIRRORS 2004-04-16
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-4 -- ESRF ID14-4

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
2.9 30 98.0 0.12 -- -- 3.5 -- 29405 -- 3.0 --
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)
2.9 3.06 96.2 0.67 -- 1.6 -- --

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
MOLECULAR REPLACEMENT 2.9 30.0 -- -- -- 28324 944 97.36 -- 0.1887 0.18614 0.26393 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 2.9 2.975 -- 56 2007 0.333 0.457 -- 94.85
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 43.787
Anisotropic B[1][1] -1.7
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.34
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 1.35
RMS Deviations
Key Refinement Restraint Deviation
r_angle_other_deg 1.258
r_xyhbond_nbd_other 0.134
r_nbd_refined 0.253
r_mcbond_it 2.375
r_dihedral_angle_1_deg 7.95
r_dihedral_angle_2_deg 41.543
r_mcbond_other 0.532
r_nbtor_other 0.113
r_chiral_restr 0.133
r_xyhbond_nbd_refined 0.207
r_dihedral_angle_3_deg 21.668
r_symmetry_vdw_refined 0.143
r_symmetry_vdw_other 0.208
r_scangle_it 8.191
r_mcangle_it 3.718
r_bond_refined_d 0.013
r_nbd_other 0.234
r_nbtor_refined 0.213
r_gen_planes_other 0.002
r_bond_other_d 0.001
r_scbond_it 5.561
r_angle_refined_deg 2.589
r_dihedral_angle_4_deg 21.414
r_gen_planes_refined 0.009
r_symmetry_hbond_refined 0.25
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 9013
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 100

Software

Software
Software Name Purpose
REFMAC refinement version: 5.2.0019
MOSFLM data reduction
SCALA data scaling
MOLREP phasing