5MN2

Cocrystal structure of Fc gamma receptor IIIa interacting with Affimer G3, 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, SITTING DROP29420.0% v/v Glycerol 16.0% w/v Polyethylene glycol 8000 0.04 M Potassium di-Hydrogen Phosphate
Crystal Properties
Matthews coefficientSolvent content
3.2462.04

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 64.985α = 90
b = 59.925β = 102.09
c = 100.001γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS3 6M2012-08-03MSINGLE 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)R Sym 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
12.3551.195.80.040.04915.72.73022755
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)
12.352.4597.20.8071.22.7

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.2.3543.391.3530208151095.480.20750.20550.2443
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_d12.807
f_angle_d0.459
f_chiral_restr0.041
f_plane_restr0.003
f_bond_d0.002
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4016
Nucleic Acid Atoms
Solvent Atoms146
Heterogen Atoms127

Software

Software
Software NamePurpose
PHENIXrefinement
XDSdata processing
Aimlessdata scaling
PHASERphasing