X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7
Temperature 277.0
Details MPD, SODIUM CACODYLATE, SPERMINE*4HCl, BACL2, ETHYL ACETATE, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 41.94 α = 90
b = 51.25 β = 90
c = 87.05 γ = 90
Symmetry
Space Group I 2 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 103
2 173
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 2000-02-27
CCD CUSTOM-MADE -- 2000-02-10
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
-- MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL9-1 0.970 SSRL BL9-1
SYNCHROTRON APS BEAMLINE 19-ID 1.0721,1.0724,1.0277,1.1206 APS 19-ID

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
2.4 100 93.7 0.089 -- -- 9.76 61465 6296 4.0 -- --
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)
2.4 2.44 69.0 0.368 -- 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
MAD 2.4 100.0 -- 4.0 6296 4935 487 93.7 -- -- 0.209 0.256 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 47.9
RMS Deviations
Key Refinement Restraint Deviation
s_angle_d 0.021
s_similar_dist 0.106
s_zero_chiral_vol 0.0
s_non_zero_chiral_vol 0.006
s_from_restr_planes 0.001
s_bond_d 0.007
Coordinate Error
Parameter Value
Occupancy Sum Hydrogen 0.0
Occupancy Sum Non Hydrogen 508.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 0
Nucleic Acid Atoms 486
Heterogen Atoms 10
Solvent Atoms 12

Software

Software
Software Name Purpose
CNS refinement
SHELXL-97 refinement
DENZO data reduction
SCALEPACK data scaling
CNS phasing