5K3X

Crystal Structure of the sulfite dehydrogenase, SorT R78K mutant from Sinorhizobium meliloti

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		293	0.1 M PCB buffer pH 7, 25% PEG1500

Crystal Properties
Matthews coefficient	Solvent content
2.44	49.55

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 73.47	α = 90
b = 95.72	β = 90
c = 109.62	γ = 90

Symmetry
Space Group	P 21 21 21

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		2013-10-23	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	AUSTRALIAN SYNCHROTRON BEAMLINE MX2	0.9537	Australian Synchrotron	MX2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	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	1.6	72.1	99.8	0.132	0.997	9.6	6.8		102224

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	1.6	1.63	99.6		1.057	1.6	6.6

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	4PW9	1.6	72.1	97033	5110	99.7	0.15644	0.1552	0.17962	RANDOM	17.477

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]
1.4			-0.51		-0.89

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.052
r_dihedral_angle_4_deg	14.966
r_dihedral_angle_3_deg	11.297
r_dihedral_angle_1_deg	5.952
r_long_range_B_refined	5.692
r_long_range_B_other	4.936
r_scangle_other	2.657
r_scbond_it	1.656
r_scbond_other	1.656
r_mcangle_other	1.579
r_mcangle_it	1.578
r_angle_refined_deg	1.501
r_mcbond_it	0.976
r_mcbond_other	0.973
r_angle_other_deg	0.92
r_chiral_restr	0.087
r_bond_refined_d	0.009
r_gen_planes_refined	0.007
r_bond_other_d	0.002
r_gen_planes_other	0.002
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	5147
Nucleic Acid Atoms
Solvent Atoms	813
Heterogen Atoms	70

Software

Software
Software Name	Purpose
REFMAC	refinement
iMOSFLM	data reduction
Aimless	data scaling
PHASER	phasing