9VQ6 | pdb_00009vq6

Strcture of Nanobody (NB) specific to Interleukin-6


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
in silico modelOtherModel generate dusing Rosetta software where CDR grafted from an antibody on to a nanobody scaffold

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP2980.2M Lithium sulfate monohydrate, 0.1M HEPES pH 7.5, 25% w/v Polyethylene glycol 3350
Crystal Properties
Matthews coefficientSolvent content
3.2962.62

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 157.397α = 90
b = 157.397β = 90
c = 105.253γ = 120
Symmetry
Space GroupP 64 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray298CCDADSC QUANTUM 2702024-06-20MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONPAL/PLS BEAMLINE 7A (6B, 6C1)0.97933PAL/PLS7A (6B, 6C1)

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)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
12.8629.7599.970.3290.3340.05414.63818171
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Rrim I (All)Rpim I (All)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.862.9799.664.4584.4584.5260.771133.89

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Cut-off Sigma (F)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)Mean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE2.8629.751.3318105166699.630.23550.2330.23270.28470.285686.83
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
f_dihedral_angle_d15.8402
f_angle_d0.6789
f_chiral_restr0.0395
f_plane_restr0.0047
f_bond_d0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3488
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms13

Software

Software
Software NamePurpose
PHENIXrefinement
XDSdata reduction
XDSdata scaling
PHENIXphasing