5LIR

Structure of the SALTY Sigma cross-reacting protein 27A (SCRP-27A) from Salmonella typhimurium

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		293	0.1 M Sodium acetate pH 4.6 40 % PEG 200

Crystal Properties
Matthews coefficient	Solvent content
2.93	57.96

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 99.662	α = 90
b = 99.662	β = 90
c = 52.51	γ = 120

Symmetry
Space Group	P 32 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	MARMOSAIC 225 mm CCD		2015-07-11	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID23-2	0.873	ESRF	ID23-2

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	1.75	44.86	100	0.102	0.999	11.65	8.4		30563		1

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.75	1.8	99		1.7	0.461	0.98	8.5

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	1VHQ	1.75	44.86	29153	1409	99.92	0.16702	0.16603	0.18666	RANDOM	30.968

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]
-0.47	-0.24		-0.47		1.53

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	41.335
r_dihedral_angle_4_deg	15.525
r_dihedral_angle_3_deg	11.92
r_dihedral_angle_1_deg	5.634
r_long_range_B_other	5.61
r_long_range_B_refined	5.609
r_scangle_other	3.302
r_scbond_it	2.208
r_scbond_other	2.197
r_angle_refined_deg	2.103
r_mcangle_it	1.65
r_mcangle_other	1.649
r_angle_other_deg	1.534
r_mcbond_it	1.168
r_mcbond_other	1.167
r_chiral_restr	0.137
r_bond_refined_d	0.023
r_gen_planes_refined	0.011
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	1614
Nucleic Acid Atoms
Solvent Atoms	87
Heterogen Atoms	14

Software

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