3SLT

Pre-cleavage Structure of the Autotransporter EspP - N1023S Mutant

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.5	294	20% w/v PEG8000, 20% v/v glycerol, sodium acetate, pH 7.5, HANGING DROP, temperature 294K

Crystal Properties
Matthews coefficient	Solvent content
3.38	63.61

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 31.162	α = 90
b = 122.372	β = 90
c = 122.098	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	MARMOSAIC 300 mm CCD	mirrors	2009-04-18	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-ID		APS	22-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	2.46	50	98.9	0.079	11.6	5.4	17728	17404		-3

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	2.47	2.56	97.9		0.59		4.9	1687

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	2.46	30.59	17724	17361	890	97.95	0.215	0.2122	0.2661	RANDOM	61.7238

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]
-2.24			-0.41		2.66

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.841
r_dihedral_angle_4_deg	21.701
r_dihedral_angle_3_deg	15.433
r_dihedral_angle_1_deg	6.998
r_scangle_it	3.417
r_scbond_it	2.077
r_angle_refined_deg	1.52
r_mcangle_it	1.193
r_angle_other_deg	0.836
r_mcbond_it	0.643
r_mcbond_other	0.135
r_chiral_restr	0.102
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	2310
Nucleic Acid Atoms
Solvent Atoms	45
Heterogen Atoms	132

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
SERGUI	data collection
HKL-2000	data reduction
HKL-2000	data scaling