X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.5
Details 2.2 M AMMONIUM SULFATE, 0.1 M TRIS, pH 8.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 102.32 α = 90
b = 102.32 β = 90
c = 193.56 γ = 90
Symmetry
Space Group P 41

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD (MX-225) MARRESEARCH -- 2009-01-22
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON BESSY BEAMLINE 14.1 -- BESSY 14.1

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
3.3 50 98.9 0.17 -- -- 4.3 -- 29722 -- 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)
3.3 3.42 99.5 0.8 -- 1.99 4.3 --

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 3.3 40.0 -- -- -- 28194 1508 99.08 -- 0.23105 0.22928 0.26452 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 3.296 3.381 -- 96 2079 0.31 0.34 -- 99.68
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 69.261
Anisotropic B[1][1] 3.8
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 3.8
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -7.6
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 0.412
r_scbond_it 0.232
r_mcangle_it 0.467
r_mcbond_it 0.257
r_nbd_refined 0.165
r_gen_planes_refined 0.002
r_chiral_restr 0.063
r_dihedral_angle_4_deg 11.344
r_dihedral_angle_3_deg 16.239
r_dihedral_angle_2_deg 36.094
r_dihedral_angle_1_deg 4.546
r_angle_refined_deg 0.974
r_bond_refined_d 0.006
r_nbtor_refined 0.295
r_xyhbond_nbd_refined 0.098
r_symmetry_vdw_refined 0.131
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 7358
Nucleic Acid Atoms 0
Heterogen Atoms 216
Solvent Atoms 17

Software

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