6B20

Crystal structure of a complex between G protein beta gamma dimer and an inhibitory Nanobody regulator

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1A0R

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION		277.15	25-30% (w/v) PEG 3350 in 0.1-0.2 M Bis-Tris-HCl, pH 5.5-5.7, and 0.2-0.3 M MgCl2

Crystal Properties
Matthews coefficient	Solvent content
2.38	48.39

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 72.66	α = 90
b = 77.23	β = 109.8
c = 101.66	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100.15	PIXEL	DECTRIS EIGER X 16M		2017-07-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 24-ID-E	0.97918	APS	24-ID-E

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.34	47.82	99.6	0.22	0.991	6.28	4.31		42434

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.34	2.4	99.8		1.77	0.507	1.05	4.43

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	1A0R	2.34	47.82	42434	2234	99.65	0.20283	0.20034	0.24906	RANDOM	52.181

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]
0.11		-1.95	3.38		-1.66

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.312
r_dihedral_angle_4_deg	17.718
r_dihedral_angle_3_deg	14.897
r_long_range_B_refined	9.97
r_long_range_B_other	9.966
r_dihedral_angle_1_deg	7.107
r_scangle_other	6.105
r_mcangle_it	5.635
r_mcangle_other	5.634
r_scbond_it	3.869
r_scbond_other	3.869
r_mcbond_it	3.637
r_mcbond_other	3.635
r_angle_refined_deg	1.574
r_angle_other_deg	0.988
r_chiral_restr	0.092
r_bond_refined_d	0.012
r_gen_planes_refined	0.006
r_bond_other_d	0.002
r_gen_planes_other	0.001
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	7872
Nucleic Acid Atoms
Solvent Atoms	396
Heterogen Atoms	12

Software

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