2QF4

High resolution structure of the major periplasmic domain from the cell shape-determining filament MreC (orthorhombic form)

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4.6	298	0.1M Na Acetate pH 4.6, 0.2M Ammonium sulfate, 12.5% PEG 4000, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.18	43.47

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 50.247	α = 90
b = 70.362	β = 90
c = 89.763	γ = 90

Symmetry
Space Group	P 21 21 21

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 210		2006-07-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.2.2	1.00000	ALS	8.2.2

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	1.2	55.385	99.7	0.057	0.057	8.3	3.8		99707

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.2	1.26	98.8		0.472	0.472	1.6	3.6	14257

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	1.2	55.385	99637	4983	99.6	0.145	0.145	0.144	0.167	RANDOM	10.26

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]
-0.33			0.4		-0.07

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.728
r_dihedral_angle_4_deg	19.184
r_dihedral_angle_1_deg	13.21
r_dihedral_angle_3_deg	12.784
r_sphericity_free	7.169
r_scangle_it	4.914
r_sphericity_bonded	3.973
r_scbond_it	3.662
r_angle_other_deg	3.131
r_mcangle_it	2.448
r_mcbond_it	2.024
r_rigid_bond_restr	1.837
r_angle_refined_deg	1.674
r_mcbond_other	0.698
r_symmetry_vdw_other	0.312
r_symmetry_hbond_refined	0.304
r_symmetry_vdw_refined	0.272
r_nbd_refined	0.224
r_nbd_other	0.196
r_xyhbond_nbd_refined	0.196
r_nbtor_refined	0.165
r_chiral_restr	0.139
r_nbtor_other	0.096
r_bond_refined_d	0.014
r_gen_planes_refined	0.007
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2498
Nucleic Acid Atoms
Solvent Atoms	439
Heterogen Atoms	17

Software

Software
Software Name	Purpose
SCALA	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
ADSC	data collection
MOSFLM	data reduction
SOLVE	phasing