4TPS

Sporulation Inhibitor of DNA Replication, SirA, in complex with Domain I of DnaA

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		291	100 mM HEPES pH 7.5, 200 mM NH4 acetate, 25 % (w/v) PEG 3350, 1% (v/v) DMF

Crystal Properties
Matthews coefficient	Solvent content
1.98	38

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 77.287	α = 90
b = 34.685	β = 102.09
c = 84.735	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		2012-07-07	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I03	0.9763	Diamond	I03

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	82.86	98.9	12.5	2.8		52893

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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		THROUGHOUT	1.65	82.86	50178	2707	98.61	0.12968	0.12638	0.19293	RANDOM	28.016

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]
0.48		0.47	-0.59		-0.08

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.642
r_sphericity_free	29.918
r_dihedral_angle_4_deg	17.772
r_sphericity_bonded	15.549
r_dihedral_angle_3_deg	13.671
r_scangle_other	6.912
r_long_range_B_refined	6.611
r_long_range_B_other	6.448
r_scbond_it	6.313
r_scbond_other	6.312
r_dihedral_angle_1_deg	5.741
r_rigid_bond_restr	4.968
r_mcangle_other	4.785
r_mcangle_it	4.782
r_mcbond_it	4.084
r_mcbond_other	4.076
r_angle_refined_deg	1.67
r_angle_other_deg	0.846
r_chiral_restr	0.108
r_bond_refined_d	0.016
r_gen_planes_refined	0.009
r_bond_other_d	0.001
r_gen_planes_other	0.001
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

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3759
Nucleic Acid Atoms
Solvent Atoms	295
Heterogen Atoms	12

Software

Software
Software Name	Purpose
REFMAC	refinement