X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details 10MM HEPES PH 7, 100MM NACL 1.1 TO 1.25M AMMONIUM SULPHATE, 0.7 TO 0.85M KCL

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 72.79 α = 90
b = 131.85 β = 90
c = 146.88 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 -- --
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ELETTRA BEAMLINE 5.2R -- ELETTRA 5.2R

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
2.8 100 99.4 0.13 -- -- 2.0 -- 44032 -- 2.0 --
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)
2.8 2.95 92.5 0.57 -- 1.6 2.0 --

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 2.8 100.0 -- -- -- 33594 1764 99.41 -- 0.21476 0.21093 0.28514 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 2.8 2.873 -- 117 2462 0.299 0.411 -- 100.0
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 47.203
Anisotropic B[1][1] -1.55
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 1.04
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.51
RMS Deviations
Key Refinement Restraint Deviation
r_symmetry_hbond_refined 0.298
r_dihedral_angle_2_deg 42.021
r_chiral_restr 0.114
r_dihedral_angle_4_deg 18.931
r_nbtor_refined 0.317
r_xyhbond_nbd_refined 0.168
r_mcbond_it 0.573
r_mcangle_it 1.039
r_dihedral_angle_1_deg 6.964
r_angle_refined_deg 1.488
r_nbd_refined 0.241
r_symmetry_vdw_refined 0.213
r_dihedral_angle_3_deg 18.907
r_scangle_it 1.95
r_bond_refined_d 0.011
r_gen_planes_refined 0.004
r_scbond_it 1.162
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 8732
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 95

Software

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