5VSG

Fibrils of the super helical repeat peptide, SHR-FF, grown at elevated temperature

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	BATCH MODE	7.4	310	5% DMSO, 100 mM HEPES

Crystal Properties
Matthews coefficient	Solvent content
2.5	50.6

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 5.343	α = 90
b = 20.883	β = 93.9
c = 16.795	γ = 90

Symmetry
Space Group	P 1 21 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 EIGER X 16M		2017-03-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 24-ID-E	0.97918	APS	24-ID-E

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	1.1	100	89.2	0.165	6.5	3.6		1367

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	1.1	1.14	53.5		0.308		1.9

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	AB INITIO PHASING	THROUGHOUT	1.1	16.76	1195	163	89.34	0.1169	0.1143	0.1342	RANDOM	8.286

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]
-0.19		0.15	0.12		0.05

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	16.441
r_dihedral_angle_3_deg	12.293
r_dihedral_angle_1_deg	5.379
r_sphericity_bonded	1.865
r_angle_refined_deg	1.827
r_angle_other_deg	0.68
r_rigid_bond_restr	0.446
r_chiral_restr	0.072
r_bond_refined_d	0.012
r_gen_planes_refined	0.007

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	16.441
r_dihedral_angle_3_deg	12.293
r_dihedral_angle_1_deg	5.379
r_sphericity_bonded	1.865
r_angle_refined_deg	1.827
r_angle_other_deg	0.68
r_rigid_bond_restr	0.446
r_chiral_restr	0.072
r_bond_refined_d	0.012
r_gen_planes_refined	0.007
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	53
Nucleic Acid Atoms
Solvent Atoms	2
Heterogen Atoms

Software

Software
Software Name	Purpose
DENZO	data collection
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
DENZO	data reduction
SHELXD	phasing

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.