9L5Z | pdb_00009l5z

Crystal structure of a parallel-stranded PNA duplex


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3MBSantiparallel PNA-PNA duplex

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP8.52930.05 M Bis-Tris-HCl (pH 8.5), 0.052 M MgCl2, and 18%(w/v) PEG3350
Crystal Properties
Matthews coefficientSolvent content
2.8857.26

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 38.063α = 90
b = 52.867β = 94.89
c = 53.34γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 6M2022-05-31MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSPRING-8 BEAMLINE BL45XU1.00SPring-8BL45XU

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
11.719.7498.50.07510.94.922955
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)
11.71.731.0615

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-Work (Depositor)R-Work (DCC)R-Free (Depositor)R-Free (DCC)R-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1.71021657117697.760.250920.248760.25890.290460.3012RANDOM30.294
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]
-2.45-0.5820.54
RMS Deviations
KeyRefinement Restraint Deviation
r_mcangle_it8.711
r_mcangle_other8.638
r_dihedral_angle_1_deg6.137
r_long_range_B_other6.042
r_long_range_B_refined6.035
r_mcbond_it4.083
r_mcbond_other4.07
r_scangle_other3.494
r_angle_refined_deg2.168
r_scbond_it2.128
RMS Deviations
KeyRefinement Restraint Deviation
r_mcangle_it8.711
r_mcangle_other8.638
r_dihedral_angle_1_deg6.137
r_long_range_B_other6.042
r_long_range_B_refined6.035
r_mcbond_it4.083
r_mcbond_other4.07
r_scangle_other3.494
r_angle_refined_deg2.168
r_scbond_it2.128
r_scbond_other2.128
r_angle_other_deg0.915
r_chiral_restr0.048
r_bond_refined_d0.014
r_gen_planes_refined0.011
r_bond_other_d0.002
r_gen_planes_other0.001
r_dihedral_angle_2_deg
r_dihedral_angle_3_deg
r_dihedral_angle_4_deg
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1320
Nucleic Acid Atoms
Solvent Atoms230
Heterogen Atoms

Software

Software
Software NamePurpose
REFMACrefinement
Aimlessdata scaling
PHASERphasing
XDSdata reduction