X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.75
Details 3.5 M AMMONIUM SULPHATE, 100MM NACL, 50MM ACETATE BUFFER PH 4.75

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 38.54 α = 90
b = 68.22 β = 105.14
c = 50.31 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 -- 2004-05-19
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX14.2 -- SRS PX14.2

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
1.15 21.5 99.6 0.12 -- -- 3.6 -- 88555 -- -- 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)
1.15 1.19 89.0 0.55 -- 2.2 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
OTHER 1.15 21.5 -- -- -- 88555 3458 97.5 -- 0.157 0.155 0.206 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 1.15 1.18 -- 259 5594 0.279 0.344 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 13.43
Anisotropic B[1][1] 0.55
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -0.56
Anisotropic B[2][2] -1.43
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.59
RMS Deviations
Key Refinement Restraint Deviation
r_gen_planes_other 0.004
r_mcbond_it 3.227
r_scangle_it 6.751
r_nbtor_other 0.104
r_chiral_restr 0.155
r_nbd_refined 0.369
r_symmetry_vdw_other 0.278
r_angle_refined_deg 2.209
r_nbtor_refined 0.169
r_symmetry_hbond_refined 0.287
r_bond_other_d 0.002
r_scbond_it 5.44
r_mcangle_it 4.114
r_angle_other_deg 2.583
r_dihedral_angle_3_deg 14.21
r_symmetry_vdw_refined 0.298
r_xyhbond_nbd_refined 0.28
r_bond_refined_d 0.023
r_nbd_other 0.259
r_dihedral_angle_2_deg 40.085
r_dihedral_angle_4_deg 13.232
r_dihedral_angle_1_deg 10.812
r_gen_planes_refined 0.013
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2220
Nucleic Acid Atoms 0
Heterogen Atoms 23
Solvent Atoms 576

Software

Software
Software Name Purpose
REFMAC refinement version: 5.2.0005
HKL-2000 data reduction
HKL-2000 data scaling