X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.75
Details 18% PEG6K, 50MM HEPES PH5.75, 10MM CACL2, 150MM NACL

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 56.55 α = 90
b = 72.57 β = 90
c = 79.07 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 -- 2002-05-20
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
1.9 20 99.7 0.05 -- -- 3.97 -- 26374 -- 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)
1.9 1.97 99.7 0.44 -- 2.8 -- --

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
FOURIER SYNTHESIS 1.9 19.96 -- -- -- 24884 1330 100.0 -- 0.196 0.194 0.238 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 1.9 1.95 -- 98 1816 0.255 0.321 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 40.66
Anisotropic B[1][1] 0.53
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -1.47
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.94
RMS Deviations
Key Refinement Restraint Deviation
r_nbtor_refined 0.314
r_symmetry_vdw_refined 0.175
r_symmetry_hbond_refined 0.179
r_nbd_refined 0.199
r_bond_refined_d 0.013
r_xyhbond_nbd_refined 0.174
r_scbond_it 3.95
r_dihedral_angle_2_deg 31.417
r_scangle_it 5.455
r_angle_refined_deg 1.468
r_chiral_restr 0.114
r_gen_planes_refined 0.008
r_dihedral_angle_1_deg 6.416
r_dihedral_angle_4_deg 20.882
r_mcangle_it 3.453
r_dihedral_angle_3_deg 13.628
r_mcbond_it 2.187
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2226
Nucleic Acid Atoms 0
Heterogen Atoms 28
Solvent Atoms 200

Software

Software
Software Name Purpose
REFMAC refinement version: 5.3.0006
DENZO data reduction
SCALEPACK data scaling