Crystal structure of DNA aptamer C8N5t in complex with Plasmodium falciparum lactate dehydrogenase


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3ZH2 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP2930.1M sodium citrate pH 5.5, 15% PEG6000
Crystal Properties
Matthews coefficientSolvent content
2.4850.44

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 92.106α = 90
b = 105.572β = 90
c = 158.992γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS EIGER X 16M2024-12-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONDIAMOND BEAMLINE I040.9537DiamondI04

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
11.9587.9592.50.3476.51355431
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)
11.952.211.56

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Work (Depositor)R-Work (DCC)R-Free (Depositor)R-Free (DCC)Mean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE2.187.94954446273059.8010.2050.20220.20910.26660.267121.548
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]
-0.211-0.1390.35
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_3_deg15.092
r_dihedral_angle_6_deg14.702
r_dihedral_angle_2_deg7.423
r_dihedral_angle_1_deg6.476
r_lrange_it4.628
r_lrange_other4.628
r_scangle_it3.599
r_scangle_other3.598
r_mcangle_it2.403
r_mcangle_other2.403
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_3_deg15.092
r_dihedral_angle_6_deg14.702
r_dihedral_angle_2_deg7.423
r_dihedral_angle_1_deg6.476
r_lrange_it4.628
r_lrange_other4.628
r_scangle_it3.599
r_scangle_other3.598
r_mcangle_it2.403
r_mcangle_other2.403
r_scbond_it2.225
r_scbond_other2.225
r_angle_refined_deg1.679
r_mcbond_it1.468
r_mcbond_other1.466
r_angle_other_deg0.538
r_dihedral_angle_other_2_deg0.535
r_nbd_refined0.221
r_symmetry_nbd_other0.198
r_nbtor_refined0.18
r_symmetry_nbd_refined0.175
r_nbd_other0.156
r_symmetry_xyhbond_nbd_refined0.147
r_xyhbond_nbd_refined0.145
r_symmetry_nbtor_other0.083
r_chiral_restr0.072
r_xyhbond_nbd_other0.052
r_symmetry_xyhbond_nbd_other0.029
r_chiral_restr_other0.008
r_bond_refined_d0.007
r_gen_planes_refined0.006
r_bond_other_d0.001
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms9307
Nucleic Acid Atoms661
Solvent Atoms166
Heterogen Atoms

Software

Software
Software NamePurpose
REFMACrefinement
autoPROCdata reduction
STARANISOdata scaling
MOLREPphasing