Experiment: 4WQA

Thiosulfate dehydrogenase (TsdA) from Allochromatium vinosum - tetrathionate co-crystallization

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.28	293.15	23.5% (w/v) PEG 3350, 0.1 M Bis-tris pH 6.28, 0.2 M (NH4)2SO4, 0.1 M NaI

Crystal Properties
Matthews coefficient	Solvent content
2.31	47

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 79.192	α = 90
b = 71.054	β = 129.11
c = 57.781	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	100.15	PIXEL	DECTRIS PILATUS 6M-F		2013-06-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID29	1.000	ESRF	ID29

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	1.64	46.48	97	0.06	11.03	3.3		55147

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	1.64	1.7	92		0.49	1.99	2.8	5022

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-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	1.64	46.478	1.99	55129	2759	91.77	0.1674	0.1654	0.1711	0.2041	0.2064

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	16.326
f_angle_d	1.601
f_chiral_restr	0.052
f_bond_d	0.013
f_plane_restr	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1701
Nucleic Acid Atoms
Solvent Atoms	206
Heterogen Atoms	100

Software

Software
Software Name	Purpose
XDS	data reduction
Coot	model building
PHENIX	refinement
XSCALE	data scaling