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_scangle_it 3.898
r_scbond_it 3.568
r_mcangle_it 2.611
r_mcbond_it 2.124
r_nbd_refined 0.232
r_gen_planes_other 0.001
r_gen_planes_refined 0.007
r_chiral_restr 0.096
r_dihedral_angle_4_deg 10.337
r_dihedral_angle_3_deg 12.756
r_dihedral_angle_2_deg 29.288
r_dihedral_angle_1_deg 6.58
r_angle_other_deg 0.947
r_angle_refined_deg 1.671
r_bond_other_d 0.003
r_bond_refined_d 0.017
r_nbd_other 0.197
r_nbtor_refined 0.199
r_nbtor_other 0.082
r_xyhbond_nbd_refined 0.158
r_symmetry_vdw_refined 0.273
r_symmetry_vdw_other 0.263
r_symmetry_hbond_refined 0.159
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

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
SHELX Structure Solution
REFMAC 5.2.0019 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.2.0019 refinement
SHELX model building