6FGR

Crystal Structure of the Amyloid-like IIKIIK Segment from the S. aureus Biofilm-associated PSMalpha4

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		293	Reservoir contained 0.2M Ammonium sulfate, 20% polyethylene glycol 3350

Crystal Properties
Matthews coefficient	Solvent content
1.62	24.28

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 4.83	α = 107
b = 22.38	β = 90.01
c = 23.06	γ = 96.2

Symmetry
Space Group	P 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	1.5	18.21	95	0.206	0.217	0.994	7.18	9.89		1397			16.205

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	1.5	1.56	89.3		0.622	0.694	0.744	2.39	4.873

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	THROUGHOUT	ideal beta-strand of poly-ala	1.5	18.21	1257	140	95.1	0.1869	0.1828	0.2215	RANDOM	9.128

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]
	-0.05		-0.3	-0.13	0.33

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_3_deg	14.769
r_sphericity_free	8.676
r_rigid_bond_restr	8.146
r_dihedral_angle_1_deg	7.356
r_sphericity_bonded	2.709
r_angle_refined_deg	1.903
r_angle_other_deg	0.958
r_chiral_restr	0.12
r_bond_other_d	0.019
r_bond_refined_d	0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_3_deg	14.769
r_sphericity_free	8.676
r_rigid_bond_restr	8.146
r_dihedral_angle_1_deg	7.356
r_sphericity_bonded	2.709
r_angle_refined_deg	1.903
r_angle_other_deg	0.958
r_chiral_restr	0.12
r_bond_other_d	0.019
r_bond_refined_d	0.01
r_gen_planes_refined	0.006
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	102
Nucleic Acid Atoms
Solvent Atoms	3
Heterogen Atoms	22

Software

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