5LQB

Complex structure of human IL2 mutant, Proleukin, with Fab fragment of NARA1 antibody

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3INK	3INK, 3TT1
experimental model	PDB	3TT1	3INK, 3TT1

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		293	20% PEG3350 0.2M Sodium Nitrate

Crystal Properties
Matthews coefficient	Solvent content
2.51	50.92

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 201.757	α = 90
b = 36.233	β = 102.93
c = 88.707	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	PIXEL	DECTRIS PILATUS3 S 6M		2015-02-26	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X10SA	1	SLS	X10SA

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym I (Observed)	Rrim 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	1.95	58.74	84.8	0.066	0.079	14.2	3.2		39422

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.95	2	96		0.394	2.59	3.22

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	3INK, 3TT1	1.95	58.74	37450	1972	84.86	0.19435	0.18914	0.29083	RANDOM	42.434

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]
-0.07		-0.46	0.67		-0.35

RMS Deviations
Key	Refinement Restraint Deviation
r_sphericity_free	81.658
r_sphericity_bonded	39.003
r_dihedral_angle_2_deg	37.328
r_dihedral_angle_4_deg	19.9
r_dihedral_angle_3_deg	18.272
r_long_range_B_refined	13.276
r_long_range_B_other	12.065
r_scangle_other	9.312
r_mcangle_it	9.128
r_mcangle_other	9.126
r_scbond_it	8.295
r_scbond_other	8.267
r_dihedral_angle_1_deg	7.66
r_mcbond_it	7.638
r_mcbond_other	7.638
r_rigid_bond_restr	4.011
r_angle_refined_deg	2.084
r_angle_other_deg	1.162
r_chiral_restr	0.133
r_bond_refined_d	0.023
r_gen_planes_refined	0.01
r_bond_other_d	0.004
r_gen_planes_other	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

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4329
Nucleic Acid Atoms
Solvent Atoms	494
Heterogen Atoms

Software

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