X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 7.8
Temperature 291.0
Details 2.5 M ammonium sulfate 50 mM Tris 0.5 mM DTT 1 mM fragment, pH 7.8, VAPOR DIFFUSION, SITTING DROP, temperature 291K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 42.4 α = 90
b = 41.5 β = 104
c = 72.5 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 110
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARMOSAIC 225 mm CCD silicon 2009-02-05
Diffraction Radiation
Monochromator Protocol
Si-111 crystal SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON BESSY BEAMLINE 14.2 0.91841 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
1.7 25 94.2 -- 0.092 -- 2.3 25733 25733 0.0 0.0 --
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)
1.7 1.73 92.7 -- 0.927 3.1 2.2 1239

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
FOURIER SYNTHESIS 1.7 10.0 -- 4.0 25630 24690 940 94.2 0.1844 0.184 0.167 0.22 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
s_similar_adp_cmpnt 0.041
s_anti_bump_dis_restr 0.014
s_zero_chiral_vol 0.039
s_approx_iso_adps 0.0
s_from_restr_planes 0.0283
s_non_zero_chiral_vol 0.044
s_rigid_bond_adp_cmpnt 0.0
s_similar_dist 0.0
s_angle_d 0.023
s_bond_d 0.007
Coordinate Error
Parameter Value
Number Disordered Residues 1.0
Occupancy Sum Hydrogen 1971.0
Occupancy Sum Non Hydrogen 2236.64
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2033
Nucleic Acid Atoms 0
Heterogen Atoms 17
Solvent Atoms 187

Software

Software
Software Name Purpose
SHELXL-97 refinement
CNS refinement
MAR345 data collection version: control
HKL-2000 data reduction
HKL-2000 data scaling
CNS phasing