4N2O

Structure of a novel autonomous cohesin protein from Ruminococcus flavefaciens

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.6	293	9 ul drop containing 2 ul of SeMet-RfCohG-CH solution (13mg/ml) and 7 ul reservoir solution (0.1 M Sodium Acetate pH 5 and 6% w/v Polyethylene glycol 4000), VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.78	55.82

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 116.24	α = 90
b = 67.726	β = 93.08
c = 258.907	γ = 90

Symmetry
Space Group	C 1 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	ADSC QUANTUM 315r	mirrors	2009-06-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID29	0.9762	ESRF	ID29

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	2.44	22.77	97.8	0.14	0.13	24	7.4	72856	72856		-3

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	2.442	22.77	69119	3678	96.81	0.2066	0.20537	0.22889	RANDOM	46.744

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]
-1.92		0.21	-1.32		3.2

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.031
r_dihedral_angle_4_deg	18.68
r_dihedral_angle_3_deg	14.351
r_dihedral_angle_1_deg	6.291
r_scbond_it	4.532
r_mcangle_it	4.21
r_mcbond_it	2.809
r_mcbond_other	2.799
r_angle_other_deg	2.166
r_angle_refined_deg	1.529
r_chiral_restr	0.081
r_bond_refined_d	0.011
r_gen_planes_refined	0.006
r_bond_other_d	0.004
r_gen_planes_other	0.004
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_mcangle_other
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	11858
Nucleic Acid Atoms
Solvent Atoms	383
Heterogen Atoms	4

Software

Software
Software Name	Purpose
REFMAC	refinement
SHELXS	phasing
PHENIX	refinement
DENZO	data reduction
SCALEPACK	data scaling
X-QUBE	data collection