4PH8

Crystal structure of AggA, the major subunit of aggregative adherence fimbriae type I (AAF/I) from the Escherichia coli O4H104

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	290	0.2M sodium acetate, 0.1M sodium cacodylate, 30% w/v PEG 8000

Crystal Properties
Matthews coefficient	Solvent content
2.22	44.56

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 77.832	α = 90
b = 80.172	β = 90
c = 91.416	γ = 90

Symmetry
Space Group	C 2 2 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 225 mm CCD		2012-10-11	M	SINGLE WAVELENGTH
2	1	x-ray	100	CCD	MARMOSAIC 225 mm CCD		2012-10-11	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE BM14	0.954	ESRF	BM14
2	SYNCHROTRON	ESRF BEAMLINE BM14	1.75	ESRF	BM14

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym I (Observed)	Rrim I (All)	Rpim I (All)	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	1.55	91.416	97.2	0.038	0.044	0.021	19	4.2	40475	40475

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Rpim I (All)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.55	1.63	95.8		0.787	0.787	0.427	1	4.3	5758

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	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	1.55	55.84	37875	1854	90.68	0.1598	0.1562	0.2319	RANDOM	24.834

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			0.04		-0.05

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	43.882
r_sphericity_free	36.272
r_dihedral_angle_4_deg	18.754
r_sphericity_bonded	14.404
r_dihedral_angle_3_deg	12.75
r_dihedral_angle_1_deg	6.657
r_mcangle_it	3.876
r_mcbond_other	3.053
r_mcbond_it	3.05
r_rigid_bond_restr	1.917

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	43.882
r_sphericity_free	36.272
r_dihedral_angle_4_deg	18.754
r_sphericity_bonded	14.404
r_dihedral_angle_3_deg	12.75
r_dihedral_angle_1_deg	6.657
r_mcangle_it	3.876
r_mcbond_other	3.053
r_mcbond_it	3.05
r_rigid_bond_restr	1.917
r_angle_refined_deg	1.344
r_angle_other_deg	0.731
r_chiral_restr	0.075
r_bond_refined_d	0.008
r_gen_planes_refined	0.004
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2242
Nucleic Acid Atoms
Solvent Atoms	295
Heterogen Atoms	12

Software

Software
Software Name	Purpose
SCALA	data scaling
PDB_EXTRACT	data extraction
REFMAC	refinement
PHASER	phasing
XDS	data reduction
XSCALE	data reduction

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.