4NTR

Crystal structure of macrocycles containing Abeta 17-23 (LVFFAED) and Abeta 30-36 (AII(SAR)L(ORN)V)


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
16.752980.1 M HEPES, pH 6.75, 31% Jeffamine-M600, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.6753.93

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 68α = 90
b = 68β = 90
c = 169.26γ = 120
Symmetry
Space GroupH 3

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray200CCDADSC QUANTUM 315r2013-11-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONALS BEAMLINE 8.2.2ALS8.2.2

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge 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
11.734.3698.70.0466512.6331708124.24
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.71.7492.80.6072

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTPDB ENTRY 4NTP1.734.361.993170831685196698.70.2020.20.226
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_d33.043
f_angle_d1.163
f_chiral_restr0.043
f_bond_d0.006
f_plane_restr0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1984
Nucleic Acid Atoms
Solvent Atoms244
Heterogen Atoms11

Software

Software
Software NamePurpose
ADSCdata collection
PHENIXmodel building
PHENIXrefinement
XDSdata reduction
XDSdata scaling
PHENIXphasing