6HYG

Heteromeric tandem IgG4/IgG1 Fc

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	293	5 mM zinc acetate, 100 mM sodium cacodylate pH 6.5, 9 % (w/v) polyethylene glycol 8000

Crystal Properties
Matthews coefficient	Solvent content
3.12	60.57

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 136.119	α = 90
b = 63.253	β = 90
c = 77.551	γ = 90

Symmetry
Space Group	C 1 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	CCD	MARRESEARCH		2015-10-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	MAX II BEAMLINE I911-3	0.972	MAX II	I911-3

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.31	29.28	95.7	8.4	3.1		27962

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.31	2.39

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	3C2S	2.31	29.28	26607	1353	95.53	0.25858	0.25759	0.27719	RANDOM	50.441

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]
-0.7		0.89	5.78		-5.08

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.677
r_dihedral_angle_4_deg	26.952
r_dihedral_angle_3_deg	19.332
r_dihedral_angle_1_deg	9.69
r_long_range_B_refined	5.946
r_long_range_B_other	5.93
r_scangle_other	3.822
r_mcangle_it	3.507
r_mcangle_other	3.506
r_scbond_it	2.521
r_scbond_other	2.521
r_angle_refined_deg	2.398
r_mcbond_it	2.262
r_mcbond_other	2.261
r_angle_other_deg	1.524
r_chiral_restr	0.109
r_bond_refined_d	0.019
r_gen_planes_refined	0.015
r_gen_planes_other	0.005
r_bond_other_d	0.002
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3325
Nucleic Acid Atoms
Solvent Atoms	92
Heterogen Atoms	2

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
Aimless	data scaling
PHASER	phasing