6FG4

Crystal Structure of the Amyloid-like IIKVIK Segment from the S. aureus Biofilm-associated PSMalpha1

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		293	Reservoir contained 15% Polyethylene glycol 8,000: 0.5M Lithium sulfate

Crystal Properties
Matthews coefficient	Solvent content
1.66	25.82

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 45.27	α = 90
b = 4.8	β = 107.65
c = 22.9	γ = 90

Symmetry
Space Group	C 1 2 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	PIXEL	DECTRIS PILATUS 2M		2014-10-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID23-2	0.8729	ESRF	ID23-2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	CC (Half)	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	1.1	18.38	93.9	0.133	0.14	0.998	10.13	11.161		2070			10.349

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.1	1.13	80		0.752	0.824	0.967	2.14	6.441

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	MOLECULAR REPLACEMENT	FREE R-VALUE	Ideal poly-ala beta-strand	1.1	18.38	1863	207	94.05	0.1629	0.1593	0.1938	RANDOM	9.926

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]
-0.27		0.2	0.05		0.07

RMS Deviations
Key	Refinement Restraint Deviation
r_sphericity_free	29.313
r_dihedral_angle_3_deg	15.273
r_dihedral_angle_1_deg	8.343
r_rigid_bond_restr	5.674
r_sphericity_bonded	2.14
r_angle_refined_deg	1.973
r_angle_other_deg	0.699
r_chiral_restr	0.113
r_bond_refined_d	0.01
r_gen_planes_refined	0.006

RMS Deviations
Key	Refinement Restraint Deviation
r_sphericity_free	29.313
r_dihedral_angle_3_deg	15.273
r_dihedral_angle_1_deg	8.343
r_rigid_bond_restr	5.674
r_sphericity_bonded	2.14
r_angle_refined_deg	1.973
r_angle_other_deg	0.699
r_chiral_restr	0.113
r_bond_refined_d	0.01
r_gen_planes_refined	0.006
r_bond_other_d	0.002
r_gen_planes_other

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	50
Nucleic Acid Atoms
Solvent Atoms	2
Heterogen Atoms	10

Software

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

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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.