6Z8V

X-ray structure of the complex between human alpha thrombin and a thrombin binding aptamer variant (TBA-3L), which contains 1-beta-D-lactopyranosyl residue in the side chain of Thy3 at N3.


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1PPB 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.5293200 mM KCl, 35% v/v pentaerythritol propoxylate, 50 mM HEPES, pH 7.5
Crystal Properties
Matthews coefficientSolvent content
3.968.5

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 94.916α = 90
b = 94.916β = 90
c = 125.397γ = 120
Symmetry
Space GroupP 32 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS EIGER2 XE 16M2019-12-02MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONDIAMOND BEAMLINE I040.9795DiamondI04

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)CC (Half)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
11.5882.295.9123.219.654291
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.581.7681.20.8210.6

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 REPLACEMENTTHROUGHOUT1PPB1.5882.251616267560.50.1810.17970.2057RANDOM27.472
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]
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg30.436
r_dihedral_angle_3_deg14.749
r_dihedral_angle_4_deg13.578
r_dihedral_angle_1_deg7.303
r_angle_refined_deg2.22
r_chiral_restr0.153
r_bond_refined_d0.015
r_gen_planes_refined0.014
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2239
Nucleic Acid Atoms312
Solvent Atoms202
Heterogen Atoms32

Software

Software
Software NamePurpose
autoPROCdata processing
STARANISOdata processing
PHASERphasing
REFMACrefinement
PDB_EXTRACTdata extraction
XDSdata reduction
Aimlessdata scaling