2FM8

Crystal Structure of the Salmonella Secretion Chaperone InvB in Complex with SipA

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.2	298	27mg/ml protein with an equilibration buffer consisting of 3.8M Na-formate, 0.9M Na-cacodylate pH 5.2 and 0.09M guanidine-hydrochloride as an additive, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
4.34	71.64

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 146.505	α = 90
b = 146.505	β = 90
c = 156.67	γ = 120

Symmetry
Space Group	P 64 2 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray						M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X9A	0.979	NSLS	X9A

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	99	99.2	0.072		8.6	66495	66495

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	2.07	98.7			6.5	6487

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	2.2	99	49515	49515	2514	97.46	0.2	0.19999	0.198	0.24	RANDOM	30.011

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]
-0.65	-0.33		-0.65		0.98

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.495
r_dihedral_angle_4_deg	18.96
r_dihedral_angle_3_deg	15.628
r_dihedral_angle_1_deg	5.914
r_scangle_it	3.689
r_scbond_it	2.593
r_mcangle_it	1.46
r_angle_refined_deg	1.4
r_mcbond_it	1.26
r_angle_other_deg	0.821
r_symmetry_vdw_other	0.298
r_symmetry_hbond_refined	0.289
r_xyhbond_nbd_refined	0.238
r_nbd_refined	0.22
r_mcbond_other	0.196
r_nbd_other	0.18
r_symmetry_vdw_refined	0.178
r_nbtor_refined	0.175
r_xyhbond_nbd_other	0.093
r_nbtor_other	0.086
r_chiral_restr	0.082
r_bond_refined_d	0.015
r_gen_planes_refined	0.005
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3693
Nucleic Acid Atoms
Solvent Atoms	612
Heterogen Atoms

Software

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