3U8N

Crystal structure of the acetylcholine binding protein (AChBP) from Lymnaea stagnalis in complex with NS3950 (1-(6-bromo-5-ethoxypyridin-3-yl)-1,4-diazepane)


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1UW6PDB ENTRY 1UW6: PENTAMER, CHAIN A-E

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1829350mM Tris, 1.9 M Ammonium sulfate, 3% PEG 400, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.4750.17

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 239.12α = 90
b = 73.11β = 97.45
c = 271.84γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMAR CCD 165 mm2010-03-19MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONMAX II BEAMLINE I911-2MAX III911-2

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
12.3533.1995.30.070.0712.73.618543225.2
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)
12.352.4882.80.1910.1915.73.5

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)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 1UW6: PENTAMER, CHAIN A-E2.3533.05194530185370374295.30.1980.1970.2327.2
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]
-8.99713.27634.12514.872
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d13.197
f_angle_d1.045
f_chiral_restr0.066
f_bond_d0.008
f_plane_restr0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms32294
Nucleic Acid Atoms
Solvent Atoms1825
Heterogen Atoms412

Software

Software
Software NamePurpose
PHASERphasing
PHENIXrefinement
MOSFLMdata reduction
SCALAdata scaling