X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details 20% PEG3350, 0.2M SODIUM THIOCYANATE, pH 7.0

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 36.77 α = 90
b = 56.44 β = 102.98
c = 75.03 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD MIRRORS 2004-01-25
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX14.1 -- SRS PX14.1

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
1.58 20 93.5 0.05 -- -- 3.9 -- 38696 -- -- 12.0
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)
1.58 1.64 73.5 0.09 -- 8.2 2.7 --

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 1.58 20.0 -- -- -- 36731 1947 93.4 -- 0.137 0.135 0.175 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 1.58 1.62 -- 90 1944 0.145 0.193 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 10.92
Anisotropic B[1][1] 0.2
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -0.01
Anisotropic B[2][2] -0.05
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.16
RMS Deviations
Key Refinement Restraint Deviation
r_dihedral_angle_4_deg 16.838
r_symmetry_vdw_other 0.535
r_dihedral_angle_3_deg 11.151
r_xyhbond_nbd_refined 0.195
r_symmetry_hbond_refined 0.254
r_mcbond_it 1.024
r_scangle_it 4.126
r_nbd_refined 0.234
r_nbtor_other 0.086
r_scbond_it 2.654
r_bond_other_d 0.002
r_mcangle_it 1.777
r_gen_planes_other 0.001
r_bond_refined_d 0.017
r_angle_refined_deg 1.671
r_dihedral_angle_1_deg 6.383
r_gen_planes_refined 0.007
r_nbd_other 0.187
r_chiral_restr 0.104
r_angle_other_deg 1.186
r_symmetry_vdw_refined 0.595
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2240
Nucleic Acid Atoms 0
Heterogen Atoms 30
Solvent Atoms 624

Software

Software
Software Name Purpose
REFMAC refinement version: 5.1.9999
HKL-2000 data reduction
HKL-2000 data scaling
MOLREP phasing