3NZZ

Crystal Structure of the Salmonella Type III Secretion System Tip Protein SipD

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8	298	25% PEG 3350, 100mM Tris, 200mM (NH4)2SO4, pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.28	46.02

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 203.064	α = 90
b = 52.121	β = 90.05
c = 57.519	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 210r		2009-06-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 17-BM	1.0	APS	17-BM

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	1.65	25.35	82.2	0.044	39.2	3.7	69282	65771			27.251

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	MOLECULAR REPLACEMENT	THROUGHOUT	1.65	25.35	69282	65771	3474		0.21226	0.21054	0.24453	RANDOM	27.251

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]

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.898
r_dihedral_angle_3_deg	14.533
r_dihedral_angle_4_deg	7.533
r_dihedral_angle_1_deg	4.666
r_scangle_it	3.803
r_scbond_it	2.472
r_mcangle_it	1.521
r_angle_refined_deg	1.283
r_mcbond_it	0.945
r_nbtor_refined	0.299
r_symmetry_vdw_refined	0.226
r_nbd_refined	0.202
r_xyhbond_nbd_refined	0.139
r_symmetry_hbond_refined	0.11
r_chiral_restr	0.086
r_bond_refined_d	0.012
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4310
Nucleic Acid Atoms
Solvent Atoms	482
Heterogen Atoms	1

Software

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