5ML9

Cocrystal structure of Fc gamma receptor IIIa interacting with Affimer F4, a specific binding protein which blocks IgG binding to the receptor.


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
otherA SUBSECTION OF A COMPLEX OF AN ADHIRON BOUND TO A SOLUBLE PROTEIN (MANUSCRIPT IN PREPARATION) WAS USED AS A SEARCH MODEL.

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP2942.0 M Ammonium Sulphate 0.1 M Sodium Cacodylate pH=6.50 0.2 M Sodium Chloride
Crystal Properties
Matthews coefficientSolvent content
2.9858.7

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 56.481α = 90
b = 72.587β = 90
c = 96.451γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS3 6M2012-08-02MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONDIAMOND BEAMLINE I240.9686DiamondI24

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
12.3456.595.40.1487.12.91639034
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)
12.342.431.1081.5

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUEA SUBSECTION OF A COMPLEX OF AN ADHIRON BOUND TO A SOLUBLE PROTEIN (MANUSCRIPT IN PREPARATION) WAS USED AS A SEARCH MODEL.2.3548.741.331615583294.50.2220.2190.272
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_d12.636
f_angle_d0.474
f_chiral_restr0.043
f_bond_d0.002
f_plane_restr0.002
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2179
Nucleic Acid Atoms
Solvent Atoms84
Heterogen Atoms75

Software

Software
Software NamePurpose
PHENIXrefinement
XDSdata reduction
Aimlessdata scaling
PHASERphasing