3Q8D

E. coli RecO complex with SSB C-terminus

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	298	pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
3.75	67.23

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 100.199	α = 90
b = 118.569	β = 90
c = 145.119	γ = 90

Symmetry
Space Group	I 2 2 2

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 300 mm CCD		2010-02-17	M	SINGLE WAVELENGTH
2	1	x-ray		M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 23-ID-D	0.97953	APS	23-ID-D
2	SYNCHROTRON	APS BEAMLINE 23-ID-D	0.97953	APS	23-ID-D

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	2.3	50	98.4	0.064		3.4		38294

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	2.3	2.34	87.2		0.653	1.8		1662

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	2.3	40	33949	1867	93.88	0.19678	0.19469	0.23406	RANDOM	47.315

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]
0.34			0.12		-0.46

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.005
r_dihedral_angle_3_deg	22.153
r_dihedral_angle_4_deg	21.132
r_dihedral_angle_1_deg	10.558
r_scangle_it	8.257
r_scbond_it	5.339
r_mcangle_it	3.737
r_mcbond_it	2.077
r_angle_refined_deg	1.005
r_chiral_restr	0.085
r_gen_planes_refined	0.018
r_bond_refined_d	0.006
r_angle_other_deg
r_gen_planes_other
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_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3725
Nucleic Acid Atoms
Solvent Atoms	206
Heterogen Atoms	57

Software

Software
Software Name	Purpose
HKL-2000	data collection
PHENIX	model building
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
PHENIX	phasing