Experiment: 8QJD

T6SS-linked Rhs repeat protein - Salmonella bongori Rhs-core domain

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	292.15	Protein was diluted to 3 mg/ml using MonoQ buffer A and 1 ul was mixed with 2 ul of reservoir solution (0.1 M MES pH 7, 20% PEE 270, 3.67% acetone) in a hanging drop vapor diffusion experiment at 19 deg C to obtain the crystals for the native dataset used for SIRAS phasing and for refinement. Before the diffraction experiment, crystals were cryoprotected by soaking in a solution consisting of 0.1M MES pH7 and 35% PEE270. For the Hg(II) derivative dataset used in SIRAS phasing, the crystal was grown in a similar fashion but using a reservoir solution comprising 0.1 M HEPES pH 7, 20% PEE 270. Derivatisation was performed by soaking the crystal for a couple of minutes in reservoir solution supplemented with 12.5 mM thimerosal. Crystals were back soaked and cryoprotected in mother liquor with an increased PEE 270 concentration (35%).

Crystal Properties
Matthews coefficient	Solvent content
2.15	42.72

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 99.071	α = 90
b = 118.26	β = 105.52
c = 131.757	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	PIXEL	PSI PILATUS 6M		2014-05-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X06SA	1	SLS	X06SA

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	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	2.203	49.17	99.61	0.08007	0.08671	0.03298	0.999	17.62	6.84		147230			37.86

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.203	2.281	97.11		0.8547	0.9292	0.836	2.32

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	SIRAS	FREE R-VALUE	2.203	49.17	1.91	147188	14502	99.31	0.1837	0.1822	0.211	0.2052	47.95

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	12.8221
f_angle_d	0.6656
f_chiral_restr	0.0461
f_plane_restr	0.0055
f_bond_d	0.0036

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	16859
Nucleic Acid Atoms
Solvent Atoms	1209
Heterogen Atoms	2

Software

Software
Software Name	Purpose
PHENIX	refinement
PHENIX	refinement
Coot	model building
ARP/wARP	model building
BUCCANEER	phasing
SHARP	phasing
XDS	data scaling
XDS	data reduction