X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7
Temperature 298.0
Details 26.5% PEG4000, 0.1M Tris/HCl, 15% glycerol, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 43.13 α = 90
b = 43.13 β = 90
c = 228.8 γ = 120
Symmetry
Space Group P 65 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 190
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2000-10-10
Diffraction Radiation
Monochromator Protocol
Si 111 CHANNEL MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X8C 0.9792 NSLS X8C

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
1.5 37.35 82.4 0.062 -- -- 18.0 20397 20397 -1.0 -3.0 --
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)
1.49 1.58 92.9 0.19 -- 6.18 14.0 3282

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
AB INITIO 1.5 10.0 -3.0 0.0 20397 19363 1034 90.7 0.1981 0.1981 0.197 0.2524 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
s_approx_iso_adps 0.0
s_similar_adp_cmpnt 0.062
s_rigid_bond_adp_cmpnt 0.0
s_anti_bump_dis_restr 0.159
s_non_zero_chiral_vol 0.059
s_zero_chiral_vol 0.058
s_from_restr_planes 0.0414
s_similar_dist 0.0
s_angle_d 0.043
s_bond_d 0.037
Coordinate Error
Parameter Value
Number Disordered Residues 0.0
Occupancy Sum Hydrogen 0.0
Occupancy Sum Non Hydrogen 1141.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 967
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 172

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
MLPHARE Structure Solution
SHELXL-97 Structure Refinement
Software
Software Name Purpose
SHELXL-97 refinement
MLPHARE model building
SCALEPACK data reduction
DENZO data collection