X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details 2.2 M AMMONIUM SULPHATE, 0.1 M TRIS PH 7.5, 25 % GLYCEROL

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 102.94 α = 90
b = 102.94 β = 90
c = 193.13 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 MARRESEARCH -- 2008-06-12
Diffraction Radiation
Monochromator Protocol
KMC-2 SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON BESSY BEAMLINE 14.2 -- BESSY 14.2

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
3 48 99.9 0.11 -- -- 4.5 -- 44389 -- 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)
3.0 3.19 99.8 0.36 -- 3.6 4.5 --

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 3.0 103.14 -- -- -- 33190 1788 87.1 -- 0.239 0.238 0.262 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 3.0 3.08 -- 131 2431 0.363 0.371 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 70.03
Anisotropic B[1][1] 3.89
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 3.89
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -7.78
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 0.655
r_scbond_it 0.375
r_mcangle_it 0.51
r_mcbond_it 0.281
r_nbd_refined 0.186
r_gen_planes_refined 0.002
r_chiral_restr 0.07
r_dihedral_angle_4_deg 16.71
r_dihedral_angle_3_deg 17.712
r_dihedral_angle_2_deg 34.582
r_dihedral_angle_1_deg 4.704
r_angle_refined_deg 1.102
r_bond_refined_d 0.006
r_nbtor_refined 0.3
r_xyhbond_nbd_refined 0.107
r_symmetry_vdw_refined 0.145
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 7358
Nucleic Acid Atoms 0
Heterogen Atoms 214
Solvent Atoms 26

Software

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