3OIZ

Crystal structure of antisigma-factor antagonist, STAS domain from Rhodobacter sphaeroides

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6	297	0.2M Calcium acetate, 0.1M MES, 10% iso-propanol, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 297K

Crystal Properties
Matthews coefficient	Solvent content
2.07	40.55

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 72.102	α = 90
b = 72.102	β = 90
c = 36.429	γ = 90

Symmetry
Space Group	P 43 21 2

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	ADSC QUANTUM 315r		2010-06-07	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.97935	APS	19-ID

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	1.65	50	99.7	0.097	62.2	10.5	12087	12047		-3	24.9

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)
	1.65	1.68	99.7		0.507	2.9	4.9	582

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	1.65	50	12008	12008	573	99.64	0.1623	0.1623	0.1597	0.2156	RANDOM	30.2107

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]
-1.39			-1.39		2.78

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	28.423
r_dihedral_angle_4_deg	21.079
r_dihedral_angle_3_deg	10.848
r_scangle_it	6.782
r_dihedral_angle_1_deg	5.576
r_scbond_it	4.259
r_mcangle_it	2.724
r_rigid_bond_restr	1.873
r_mcbond_it	1.623
r_angle_refined_deg	1.42

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	28.423
r_dihedral_angle_4_deg	21.079
r_dihedral_angle_3_deg	10.848
r_scangle_it	6.782
r_dihedral_angle_1_deg	5.576
r_scbond_it	4.259
r_mcangle_it	2.724
r_rigid_bond_restr	1.873
r_mcbond_it	1.623
r_angle_refined_deg	1.42
r_chiral_restr	0.109
r_bond_refined_d	0.016
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	731
Nucleic Acid Atoms
Solvent Atoms	110
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
SBC-Collect	data collection
HKL-3000	data reduction
HKL-3000	data scaling
HKL-3000	phasing
SHELXD	phasing
SHELXE	model building
MLPHARE	phasing
DM	phasing
RESOLVE	phasing
Coot	model building
ARP/wARP	model building

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.