3T4G

AIIGLMV segment from Alzheimer's Amyloid-Beta displayed on 54-membered macrocycle scaffold

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	290	35% (v/v) 2-methyl-2,4-pentanediol, Na/K phosphate buffer pH6.2, pH 7.0, vapor diffusion, hanging drop, temperature 290K

Crystal Properties
Matthews coefficient	Solvent content
2.01	38.88

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 44.39	α = 90
b = 44.39	β = 90
c = 44.39	γ = 90

Symmetry
Space Group	P 2 3

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		2011-03-04	M	SIRAS

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 24-ID-C	0.9196, 1.8443	APS	24-ID-C

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	1.7		99.5	0.035	29.74			3384		-3

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	1.7	1.74	95.9		0.513	3.07

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	SIRAS	THROUGHOUT	1.7	18.12	3047	326	99.53	0.24031	0.23629	0.27424	RANDOM	28.374

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
r_dihedral_angle_3_deg	21.334
r_dihedral_angle_2_deg	7.373
r_scangle_it	7
r_dihedral_angle_1_deg	6.272
r_scbond_it	5.207
r_mcangle_it	3.811
r_angle_refined_deg	2.729
r_mcbond_it	2.413
r_angle_other_deg	1.901
r_mcbond_other	0.744
r_chiral_restr	0.107
r_gen_planes_refined	0.026
r_bond_refined_d	0.022
r_gen_planes_other	0.016
r_bond_other_d	0.004
r_dihedral_angle_4_deg
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	240
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms	40

Software

Software
Software Name	Purpose
XSCALE	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction