3SZE

Crystal structure of the passenger domain of the E. coli autotransporter EspP

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	298	18 22% PEG 4000, 0.1M HEPES, 0.05 0.15M tri-lithium citrate, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.88	57.29

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 88.34	α = 90
b = 88.34	β = 90
c = 311.533	γ = 90

Symmetry
Space Group	P 43 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		2007-02-23	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 14-BM-C	0.90020	APS	14-BM-C

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	2.5	85.13	99.9	0.109	13.99	6.9	43770	43730	2	2

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	2.5	2.56	99.8		0.486	3.86	7.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	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	SAD	THROUGHOUT	2.5	30	13.99	41456	2193	99.7	0.19056	0.18839	0.23134	RANDOM	32.213

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]
1.05			1.05		-2.1

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.126
r_dihedral_angle_4_deg	20.282
r_dihedral_angle_3_deg	16.254
r_dihedral_angle_1_deg	6.603
r_scangle_it	1.344
r_angle_refined_deg	1.114
r_scbond_it	0.875
r_angle_other_deg	0.787
r_mcangle_it	0.526
r_mcbond_it	0.451
r_nbd_refined	0.192
r_nbd_other	0.191
r_symmetry_vdw_other	0.191
r_nbtor_refined	0.174
r_symmetry_hbond_refined	0.171
r_symmetry_vdw_refined	0.142
r_xyhbond_nbd_refined	0.141
r_nbtor_other	0.083
r_chiral_restr	0.068
r_mcbond_other	0.054
r_bond_refined_d	0.008
r_gen_planes_refined	0.003
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7245
Nucleic Acid Atoms
Solvent Atoms	324
Heterogen Atoms

Software

Software
Software Name	Purpose
BioCARS-developed	data collection
PHASER	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling