3I0U

Structure of the type III effector/phosphothreonine lyase OspF from Shigella flexneri

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	294	10% isopropanol, 20% PEG4K, 1% PEG6K, 0.5% 2-methyl-2,4-pentanediol, 0.1 M HEPES pH 7.5. Cryoprotected in Paratone-N oil, VAPOR DIFFUSION, HANGING DROP, temperature 294K

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 62.125	α = 90
b = 62.125	β = 90
c = 239.586	γ = 90

Symmetry
Space Group	P 41 21 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	ADSC QUANTUM 315	mirrors	2007-11-26	M	SINGLE WAVELENGTH
2	2	x-ray	100	CCD	ADSC QUANTUM 315		2007-02-27	M	MAD
1,2	1

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.97929	APS	19-ID
2	SYNCHROTRON	APS BEAMLINE 19-ID	0.97924, 0.97940	APS	19-ID

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	2.7	50	99.8	0.057	48.01	13.1	13796	13771

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	2.7	2.8	100		0.426	7.14	13.6

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	MAD	THROUGHOUT	2.7	43.94	13027	673	99.85	0.25158	0.24968	0.28726	RANDOM	71.02

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]
0.02			0.02		-0.03

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.729
r_dihedral_angle_4_deg	23.59
r_dihedral_angle_3_deg	19.711
r_dihedral_angle_1_deg	6.818
r_scangle_it	1.732
r_angle_refined_deg	1.713
r_scbond_it	1.242
r_mcangle_it	0.652
r_mcbond_it	0.431
r_symmetry_hbond_refined	0.414
r_nbtor_refined	0.304
r_symmetry_vdw_refined	0.205
r_xyhbond_nbd_refined	0.175
r_nbd_refined	0.171
r_chiral_restr	0.113
r_bond_refined_d	0.017
r_gen_planes_refined	0.007
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
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	3193
Nucleic Acid Atoms
Solvent Atoms	6
Heterogen Atoms	8

Software

Software
Software Name	Purpose
HKL-3000	data collection
SHELXS	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling