X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details PROTEIN CONCENTRATION 8.7MG/ML BUFFER: 10 MM TRIS, PH 7.0, 100 MM NACL . WELL SOLUTION: 100 MM NA CACODYLATE PH 6 200 MM NA ACETATE, 15 % PEG 8000. THE CRYSTALLISATION PLATES USED WERE CORNING ROUND BOTTOM 96 WELL PLATES. THE CRYSTALLISATION DROPS CONSISTED OF 1UL PROTEIN AND 1UL WELL SOLUTION.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 46.19 α = 90
b = 58.62 β = 90
c = 88.64 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 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 97.6 0.09 -- -- 6.8 -- 19164 -- -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)
1.9 1.97 91.4 0.32 -- 5.1 -- --

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 1.9 19.96 -- -- -- 19112 982 100.0 -- -- 0.152 0.202 RAMDOM
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 7.85 19.96 -- 13 282 0.195 0.206 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 16.05
Anisotropic B[1][1] 0.193
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.079
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.272
RMS Deviations
Key Refinement Restraint Deviation
r_xyhbond_nbd_refined 0.131
r_bond_refined_d 0.016
r_symmetry_vdw_refined 0.213
r_nbtor_refined 0.308
r_chiral_restr 0.107
r_gen_planes_refined 0.006
r_angle_refined_deg 1.501
r_dihedral_angle_4_deg 17.177
r_mcangle_it 1.372
r_nbd_refined 0.203
r_dihedral_angle_2_deg 32.938
r_symmetry_hbond_refined 0.151
r_dihedral_angle_1_deg 6.176
r_mcbond_it 0.783
r_scbond_it 2.328
r_scangle_it 3.5
r_dihedral_angle_3_deg 12.594
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2028
Nucleic Acid Atoms 0
Heterogen Atoms 28
Solvent Atoms 287

Software

Software
Software Name Purpose
REFMAC refinement version: 5.2.0019
DENZO data reduction
SCALEPACK data scaling
MOLREP phasing