2VQ6

Torpedo californica acetylcholinesterase complexed with 2-PAM


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2ACEPDB ENTRY 2ACE

Crystallization

Crystal Properties
Matthews coefficientSolvent content
4.270

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 113.95α = 90
b = 113.95β = 90
c = 138.05γ = 120
Symmetry
Space GroupP 31 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATERIGAKU IMAGE PLATE1991-08-04MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RU200

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
12.815.6697.50.154.426435
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.712.78

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 2ACE2.7115.662509513401000.1740.1710.234RANDOM26.12
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]
0.160.080.16-0.24
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.268
r_dihedral_angle_3_deg23.475
r_dihedral_angle_4_deg17.85
r_dihedral_angle_1_deg8.713
r_scangle_it5.6
r_scbond_it3.417
r_angle_refined_deg2.651
r_mcangle_it2.314
r_mcbond_it1.256
r_nbtor_refined0.348
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.268
r_dihedral_angle_3_deg23.475
r_dihedral_angle_4_deg17.85
r_dihedral_angle_1_deg8.713
r_scangle_it5.6
r_scbond_it3.417
r_angle_refined_deg2.651
r_mcangle_it2.314
r_mcbond_it1.256
r_nbtor_refined0.348
r_symmetry_hbond_refined0.314
r_symmetry_vdw_refined0.288
r_nbd_refined0.269
r_xyhbond_nbd_refined0.183
r_chiral_restr0.166
r_bond_refined_d0.03
r_gen_planes_refined0.01
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 Atoms4220
Nucleic Acid Atoms
Solvent Atoms93
Heterogen Atoms43

Software

Software
Software NamePurpose
REFMACrefinement
DENZOdata reduction
SCALEPACKdata scaling
PROTINphasing