4RDA

X-RAY STRUCTURE OF THE AMYLOID PRECURSOR PROTEIN-LIKE PROTEIN 1 (APLP1) E2 DOMAIN IN COMPLEX WITH A HEPARIN DODECASACCHARIDE

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.2	293.15	0.1 mM MES/NaOH 9.5% PEG20000, pH 6.2, VAPOR DIFFUSION, SITTING DROP, temperature 293.15K

Crystal Properties
Matthews coefficient	Solvent content
5.2	76.36

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 91.969	α = 90
b = 91.969	β = 90
c = 208.481	γ = 120

Symmetry
Space Group	P 31 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 6M	mirrors	2014-06-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	BESSY BEAMLINE 14.1	0.9184	BESSY	14.1

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	2.497	50	99.3	0.062	13.54		36312	36051	1	1

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	2.497	2.65	98.4		0.538	2.05		5672

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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	2.497	45.985	1.36	36044	1803	99.27	0.2177	0.2163	0.2454	RANDOM

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_angle_d	0.9
f_bond_d	0.004
f_dihedral_angle_d
f_chiral_restr
f_plane_restr

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3271
Nucleic Acid Atoms
Solvent Atoms	68
Heterogen Atoms	193

Software

Software
Software Name	Purpose
MxCuBE	data collection
SHARP	phasing
PHENIX	refinement
XDS	data reduction
XDS	data scaling

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.