2UZ6

AChBP-targeted a-conotoxin correlates distinct binding orientations with nAChR subtype selectivity.


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2C9TPDB ENTRY 2C9T

Crystallization

Crystal Properties
Matthews coefficientSolvent content
2.856

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 72.54α = 90.14
b = 85.754β = 80.01
c = 121.667γ = 70.64
Symmetry
Space GroupP 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray1002006-04-23MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID23-2ESRFID23-2

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
12.467.4295.90.144.63.821020522
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)
12.42.5395.20.6613.83

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 2C9T2.467.42109745583695.90.2370.2360.252RANDOM29.17
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]
5.64-2.75-0.12-1.07-0.49-2.71
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.378
r_dihedral_angle_4_deg17.649
r_dihedral_angle_3_deg14.486
r_dihedral_angle_1_deg3.844
r_angle_refined_deg1.643
r_scangle_it1.36
r_mcangle_it0.979
r_scbond_it0.944
r_mcbond_it0.612
r_nbtor_refined0.317
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.378
r_dihedral_angle_4_deg17.649
r_dihedral_angle_3_deg14.486
r_dihedral_angle_1_deg3.844
r_angle_refined_deg1.643
r_scangle_it1.36
r_mcangle_it0.979
r_scbond_it0.944
r_mcbond_it0.612
r_nbtor_refined0.317
r_nbd_refined0.236
r_symmetry_vdw_refined0.206
r_xyhbond_nbd_refined0.171
r_symmetry_hbond_refined0.168
r_chiral_restr0.115
r_bond_refined_d0.01
r_gen_planes_refined0.005
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms17510
Nucleic Acid Atoms
Solvent Atoms607
Heterogen Atoms40

Software

Software
Software NamePurpose
REFMACrefinement
MOSFLMdata reduction
SCALAdata scaling
PHASERphasing