Experiment: 5TX4

Derivative of mouse TGF-beta2, with a deletion of residues 52-71 and K25R, R26K, L51R, A74K, C77S, L89V, I92V, K94R T95K, I98V single amino acid substitutions, bound to human TGF-beta type II receptor ectodomain residues 15-130

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1M9Z	1M9Z,5TX2
experimental model	PDB	5TX2	1M9Z,5TX2

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	298	0.1 M Hepes, pH 7.5, 60 % v/v (+/-)-2-Methyl-2,4-pentanediol

Crystal Properties
Matthews coefficient	Solvent content
2.24	45.18

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 39.019	α = 90
b = 70.772	β = 90
c = 77.116	γ = 90

Symmetry
Space Group	P 21 21 21

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	RAYONIX MX300-HS		2016-04-02	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-ID	0.9795	APS	22-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym 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	1.876	35.39	99.6	0.143	15.17	6.8		17715

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)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	1M9Z,5TX2	1.876	35.386	1.35	17714	883	97.8	0.195	0.1935	0.1953	0.2222	0.2207

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	13.387
f_angle_d	1.086
f_chiral_restr	0.064
f_bond_d	0.011
f_plane_restr	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1575
Nucleic Acid Atoms
Solvent Atoms	82
Heterogen Atoms

Software

Software
Software Name	Purpose
PHENIX	refinement
iMOSFLM	data reduction
SCALA	data scaling
PHASER	phasing