4RMO

Crystal Structure of the CptIN Type III Toxin-Antitoxin System from Eubacterium rectale

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	4.8	293	CaCl2, 2-Propanol, Sodium Acetate, pH 4.8, vapor diffusion, temperature 293K

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 63.11	α = 90
b = 185.891	β = 92.63
c = 138.78	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	DECTRIS PILATUS 6M		2013-05-08	M	SINGLE WAVELENGTH
2	2	x-ray	100	PIXEL	DECTRIS PILATUS 6M		2013-05-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I02	0.9795	Diamond	I02
2	SYNCHROTRON	DIAMOND BEAMLINE I02	0.9795	Diamond	I02

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
1,2	2.2	63.12	97.9	0.048	11.6	2.3		157960

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)
1,2	2.2	2.24	97		0.338	2.4	2.1

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	SAD	THROUGHOUT	2.2	63.12	150001	7919	97.85	0.2012	0.19944	0.23386	RANDOM	40.97

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]
-2.65		0.57	-0.23		2.84

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.265
r_dihedral_angle_4_deg	22.687
r_dihedral_angle_3_deg	17.686
r_dihedral_angle_1_deg	6.108
r_angle_other_deg	1.854
r_angle_refined_deg	1.72
r_chiral_restr	0.101
r_gen_planes_refined	0.014
r_bond_refined_d	0.013
r_bond_other_d	0.011
r_gen_planes_other	0.011
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_mcbond_it
r_mcbond_other
r_mcangle_it
r_mcangle_other
r_scbond_it
r_scbond_other
r_scangle_it
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	10363
Nucleic Acid Atoms	7696
Solvent Atoms	1322
Heterogen Atoms	48

Software

Software
Software Name	Purpose
Aimless	data scaling
SOLVE	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
GDA	data collection
MOSFLM	data reduction
SCALA	data scaling
PHENIX	phasing