3OVJ

Structure of an amyloid forming peptide KLVFFA from amyloid beta in complex with orange G

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		291	reservoir contained 30% w/v Polyethylene glycol 1,500, 20% v/v Glycerol, vapor diffusion, hanging drop, temperature 291K
2	VAPOR DIFFUSION, HANGING DROP		291	reservoir contained 10% w/v Polyethylene glycol 1,500, 30% v/v Glycerol, vapor diffusion, hanging drop, temperature 291K

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 9.536	α = 62.28
b = 26.008	β = 88.59
c = 25.803	γ = 88.45

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	CCD	ADSC QUANTUM 315		2008-11-16	M	SINGLE WAVELENGTH
2	2	x-ray	100	CCD	ADSC QUANTUM 315		2009-11-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 24-ID-E	0.9792	APS	24-ID-E
2	SYNCHROTRON	APS BEAMLINE 24-ID-E	0.9792	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
1,2	1.8	90	91.5	0.189	8.2	3.8	1870	1870		-3	22.6

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	1.8	1.94	71.7		0.414		1.7	304

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1.8	23.02	1864	1864	172	91.87	0.2067	0.2067	0.2054	0.2195	RANDOM	16.4603

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]
-0.3	-0.07	0.03	-0.1	-0.11	0.52

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.05
r_dihedral_angle_3_deg	17.862
r_dihedral_angle_1_deg	6.107
r_scangle_it	5.097
r_scbond_it	3.191
r_mcangle_it	2.11
r_angle_refined_deg	1.69
r_mcbond_it	1.214
r_angle_other_deg	0.69
r_mcbond_other	0.26

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.05
r_dihedral_angle_3_deg	17.862
r_dihedral_angle_1_deg	6.107
r_scangle_it	5.097
r_scbond_it	3.191
r_mcangle_it	2.11
r_angle_refined_deg	1.69
r_mcbond_it	1.214
r_angle_other_deg	0.69
r_mcbond_other	0.26
r_chiral_restr	0.091
r_bond_refined_d	0.011
r_gen_planes_refined	0.007
r_bond_other_d	0.005
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	208
Nucleic Acid Atoms
Solvent Atoms	11
Heterogen Atoms	54

Software

Software
Software Name	Purpose
SCALEPACK	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
ADSC	data collection
DENZO	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.