Experiment: 8ENT

Interleukin-21 signaling complex with IL-21R and IL-2Rg

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3TGX	3TGX, 2B5I
experimental model	PDB	2B5I	3TGX, 2B5I

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8	295	0.1M Tris pH 8, 20% PEG 6000

Crystal Properties
Matthews coefficient	Solvent content
2.69	59.73

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 66.167	α = 83.34
b = 66.464	β = 83.71
c = 162.684	γ = 73.1

Symmetry
Space Group	P 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 PILATUS 6M		2021-02-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL12-2	0.9795	SSRL	BL12-2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym I (Observed)	Rpim I (All)	CC (Half)	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	2.83	48.17	91.66	0.2143	0.1292	0.985	4.22	3.7		57754			70.14

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.831	2.932			0.401

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	3TGX, 2B5I	2.83	48.17	1.96	57399	1962	91.38	0.2551	0.2536	0.2535	0.2997	0.299	random	74.21

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
Key	Refinement Restraint Deviation
f_dihedral_angle_d	13.2527
f_angle_d	0.5885
f_chiral_restr	0.0415
f_plane_restr	0.0048
f_bond_d	0.0023

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	15503
Nucleic Acid Atoms
Solvent Atoms	55
Heterogen Atoms	277

Software

Software
Software Name	Purpose
PHENIX	refinement
PHENIX	model building
XDS	data scaling
XDS	data reduction
PHENIX	phasing