3WJJ

Crystal structure of IIb selective Fc variant, Fc(P238D), in complex with FcgRIIb

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	298	17% PEG 3350, 0.1M Bis-Tris, 0.2M ammonium acetate, 2.7% D-galactose, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.91	57.73

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 48.85	α = 90
b = 76.01	β = 100.7
c = 115.08	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	95	CCD	ADSC QUANTUM 270		2011-11-30	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PHOTON FACTORY BEAMLINE BL-1A	0.9780	Photon Factory	BL-1A

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	2.6	41.5	99.6	0.062	15	3.8	25593	25455			53.69

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.6	2.67	98.3		0.367	3.4	3.7	1840

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2.6	25	24270	24146	1294	99.49	0.2323	0.2323	0.2301	0.2716	RANDOM	63.4889

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]
-2.97		-0.11	-1.44		4.14

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.069
r_dihedral_angle_3_deg	13.993
r_dihedral_angle_4_deg	12.651
r_dihedral_angle_1_deg	4.777
r_mcangle_it	2.913
r_mcbond_it	1.64
r_scbond_it	1.448
r_angle_refined_deg	0.98
r_chiral_restr	0.054
r_bond_refined_d	0.005

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.069
r_dihedral_angle_3_deg	13.993
r_dihedral_angle_4_deg	12.651
r_dihedral_angle_1_deg	4.777
r_mcangle_it	2.913
r_mcbond_it	1.64
r_scbond_it	1.448
r_angle_refined_deg	0.98
r_chiral_restr	0.054
r_bond_refined_d	0.005
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4460
Nucleic Acid Atoms
Solvent Atoms	130
Heterogen Atoms	220

Software

Software
Software Name	Purpose
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
ADSC	data collection
XDS	data reduction
XSCALE	data scaling
PHASER	phasing

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.