1RY9

Spa15, a Type III Secretion Chaperone from Shigella flexneri

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.3	291	Ammonium Suplhate, ethylene glycol, Guanidium chloride, MES, pH 5.3, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.18	43.2

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 50.878	α = 90
b = 87.682	β = 90.77
c = 58.703	γ = 90

Symmetry
Space Group	P 1 21 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 4		2002-06-23	M	SINGLE WAVELENGTH
2	1	x-ray	100	CCD	MAR CCD 165 mm		2002-09-26	M	MAD
1,2	1

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-2	0.9196	ESRF	ID14-2
2	SYNCHROTRON	ESRF BEAMLINE BM30A	0.9794, 0.9795, 0.9760	ESRF	BM30A

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.82	50	97.4			45246	45246

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1,2	1.82	1.89	92.3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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	1.82	43.85	1	42717	2292	97.47	0.18272	0.18117	0.21108	RANDOM	24.7

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]
-0.01		0.01	0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_scangle_it	8.352
r_scbond_it	5.602
r_mcangle_it	3.969
r_dihedral_angle_1_deg	3.024
r_mcbond_it	2.409
r_angle_refined_deg	1.235
r_angle_other_deg	0.696
r_nbd_other	0.228
r_symmetry_hbond_refined	0.218
r_symmetry_vdw_other	0.205
r_nbd_refined	0.2
r_xyhbond_nbd_refined	0.19
r_symmetry_vdw_refined	0.15
r_chiral_restr	0.09
r_nbtor_other	0.088
r_bond_refined_d	0.006
r_gen_planes_refined	0.003
r_bond_other_d	0.002
r_gen_planes_other	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4244
Nucleic Acid Atoms
Solvent Atoms	235
Heterogen Atoms	6

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
SnB	phasing
SOLVE	phasing