8A48

Less crystallisable" IgG1 Fc fragment (E382S variant)

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	294.15	0.2 M ammonium sulphate, 0.1 M Tris (pH 7.5), 25 % w/v PEG 8000

Crystal Properties
Matthews coefficient	Solvent content
3.35	63.25

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 106.78	α = 90
b = 106.78	β = 90
c = 104.011	γ = 120

Symmetry
Space Group	P 32 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	PIXEL	DECTRIS EIGER X 4M		2021-02-18	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE MASSIF-3	0.9677	ESRF	MASSIF-3

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)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	3.04	47.543	99.7	0.034	0.048	0.034	15.2	1.9		13476

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	3.04	3.25	98.4		1.117	1.58	1.117	0.6

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	3AVE	3.044	47.543	13476	654	99.682	0.198	0.1966	0.2179	136.227

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]
1.364	0.682		1.364		-4.424

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_6_deg	13.999
r_dihedral_angle_3_deg	13.075
r_lrange_it	7.004
r_lrange_other	7.001
r_dihedral_angle_1_deg	5.839
r_scangle_it	2.783
r_scangle_other	2.778
r_mcangle_it	2.755
r_mcangle_other	2.754
r_dihedral_angle_2_deg	2.323
r_mcbond_it	1.586
r_mcbond_other	1.585
r_scbond_it	1.57
r_scbond_other	1.562
r_angle_refined_deg	0.797
r_angle_other_deg	0.308
r_symmetry_nbd_other	0.175
r_nbd_other	0.174
r_nbd_refined	0.169
r_nbtor_refined	0.165
r_symmetry_nbd_refined	0.143
r_ncsr_local_group_1	0.121
r_xyhbond_nbd_refined	0.101
r_symmetry_nbtor_other	0.08
r_symmetry_xyhbond_nbd_refined	0.073
r_chiral_restr	0.039
r_bond_refined_d	0.003
r_gen_planes_refined	0.003
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3331
Nucleic Acid Atoms
Solvent Atoms	29
Heterogen Atoms	189

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling
MOLREP	phasing