X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Details 2.4 M AMMONIUM SULFATE 0.1 M TRIS-HCL, PH 8 20% MPD

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 53.68 α = 90
b = 28.59 β = 90
c = 30.11 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- --
Diffraction Radiation
Monochromator Protocol
-- MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE BM14 -- ESRF BM14

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
1.4 20 91.0 0.03 -- -- 8.8 -- 10942 -- 1.5 --
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)
1.4 1.5 72.0 0.62 -- 1.6 4.0 --

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
MAD 1.4 19.57 -- -- -- 8454 451 96.8 -- 0.171 0.168 0.224 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 1.4 1.44 -- 30 508 0.185 0.226 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 13.35
Anisotropic B[1][1] -0.47
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.05
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.53
RMS Deviations
Key Refinement Restraint Deviation
r_dihedral_angle_1_deg 6.58
r_dihedral_angle_2_deg 29.288
r_nbd_other 0.197
r_symmetry_vdw_other 0.263
r_mcbond_it 2.124
r_scbond_it 3.568
r_chiral_restr 0.096
r_gen_planes_other 0.001
r_bond_other_d 0.003
r_dihedral_angle_3_deg 12.756
r_xyhbond_nbd_refined 0.158
r_dihedral_angle_4_deg 10.337
r_nbd_refined 0.232
r_angle_other_deg 0.947
r_gen_planes_refined 0.007
r_nbtor_other 0.082
r_symmetry_hbond_refined 0.159
r_scangle_it 3.898
r_mcangle_it 2.611
r_symmetry_vdw_refined 0.273
r_bond_refined_d 0.017
r_angle_refined_deg 1.671
r_nbtor_refined 0.199
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 415
Nucleic Acid Atoms 0
Heterogen Atoms 10
Solvent Atoms 78

Software

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