2BT2

Structure of the regulator of G-protein signaling 16

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		5.5		0.1 M BIS-TRIS, PH 5.5, 26% PEG3350, 0.1 M NH4AC

Crystal Properties
Matthews coefficient	Solvent content
2.1	42

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 160.585	α = 90
b = 31.743	β = 94.39
c = 151.766	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	MIRRORS	2005-04-23	M	SINGLE WAVELENGTH

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

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	1.9	44.23	95.6	0.08	9.5	3.32		216171

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.9	2	85.2		0.45	2.39	2.66

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	PDB ENTRY 1AGR	1.9	30	55845	2980	95.6	0.195	0.192	0.25	RANDOM	28.88

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]
-1.48		0.34	-1.27		2.8

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.241
r_dihedral_angle_4_deg	20.784
r_dihedral_angle_3_deg	14.645
r_scangle_it	9.207
r_scbond_it	6.81
r_dihedral_angle_1_deg	5.563
r_mcangle_it	4.251
r_mcbond_it	3.258
r_mcbond_other	1.477
r_angle_refined_deg	1.404
r_angle_other_deg	0.873
r_nbd_refined	0.225
r_xyhbond_nbd_refined	0.218
r_nbtor_refined	0.188
r_nbd_other	0.176
r_symmetry_hbond_refined	0.173
r_symmetry_vdw_other	0.165
r_symmetry_vdw_refined	0.162
r_nbtor_other	0.089
r_chiral_restr	0.085
r_bond_refined_d	0.015
r_gen_planes_refined	0.006
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5536
Nucleic Acid Atoms
Solvent Atoms	376
Heterogen Atoms

Software

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