X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1SLOW COOLING7.5277PROPEPTIDE IMPURITY INDUCES CRYSTALLIZATION ON COLD STORAGE CRYOPROTECTANT: 20% MPEG2K, 10% MPEG550, 10% ethylene glycol, 90mM imidazole malate, pH 6.0, SLOW COOLING, temperature 277.0K
Crystal Properties
Matthews coefficientSolvent content
2.9157.7

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 127.08α = 90
b = 156.58β = 90
c = 106.14γ = 90
Symmetry
Space GroupC 2 2 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 4rmirrors2009-07-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID14-40.9395ESRFID14-4

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
12.855099.80.170.15913.887.782513225083-337.228
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.853.02990.7120.6683.248.233962

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (I)Cut-off Sigma (F)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1PEX AND 2OW92.84949.336-322512525080125599.820.18160.1780.2468RANDOM39.28
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]
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d17.637
f_angle_d1.264
f_chiral_restr0.088
f_bond_d0.009
f_plane_restr0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms6430
Nucleic Acid Atoms
Solvent Atoms104
Heterogen Atoms120

Software

Software
Software NamePurpose
DNAdata collection
MOLREPphasing
PHENIXrefinement
XDSdata reduction
XSCALEdata scaling