1C58

CRYSTAL STRUCTURE OF CYCLOAMYLOSE 26


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION37.5% PEG 400, VAPOR DIFFUSION
Crystal Properties
Matthews coefficientSolvent content
11.8

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 21.84α = 87.36
b = 22.92β = 89.51
c = 29.05γ = 61.98
Symmetry
Space GroupP 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray277IMAGE PLATEMARRESEARCHPHI-ROTATION1998-01-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONEMBL/DESY, HAMBURG BEAMLINE X31EMBL/DESY, HAMBURGX31

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)R Sym I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
10.9929.0296.70.0370.036618.0726766
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
10.991.0184.10.196.942.79

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONDIRECT METHODSRFREEMALTOSE DISACCHARIDE0.9929.0225473132996.70.0820.0880.1RANDOM
Temperature Factor Modeling
Anisotropic B[1][1]Anisotropic B[1][2]Anisotropic B[1][3]Anisotropic B[2][2]Anisotropic B[2][3]Anisotropic B[3][3]
Coordinate Error
Structure Solution MethodRefinement High ResolutionRefinement Low Resolution
17520649.5
RMS Deviations
KeyRefinement Restraint Deviation
s_approx_iso_adps0.064
s_similar_adp_cmpnt0.035
s_anti_bump_dis_restr0.021
s_similar_dist0.02
s_rigid_bond_adp_cmpnt0.006
s_bond_d
s_angle_d
s_from_restr_planes
s_zero_chiral_vol
s_non_zero_chiral_vol
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms
Nucleic Acid Atoms
Solvent Atoms147
Heterogen Atoms572

Software

Software
Software NamePurpose
SHELXDphasing
SHELXL-97refinement
MAR345data collection
SCALEPACKdata scaling