3Q9I

LVFFA segment from Alzheimer's Amyloid-Beta displayed on 42-membered macrocycle scaffold, bromide derivative

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4.6	291	0.1 M sodium acetate pH 4.6, 0.17 mM calcium chloride dehydrate, 20% (v/v) 2-propanol, VAPOR DIFFUSION, SITTING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
5.06	75.69

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 58.98	α = 90
b = 58.98	β = 90
c = 128.511	γ = 90

Symmetry
Space Group	P 43 21 2

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		2010-04-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 24-ID-C	0.9794	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	2	80	100	0.065	14.2	13.6		16219

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	2.07	100		0.478		14

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	1.99	53.6	15269	808	99.08	0.19682	0.19581	0.2	0.21827	0.22	RANDOM	26.798

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			0.3		-0.61

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_3_deg	13.045
r_dihedral_angle_2_deg	11.177
r_dihedral_angle_1_deg	8.74
r_scangle_it	4.75
r_scbond_it	3.744
r_mcangle_it	2.458
r_mcbond_it	1.785
r_angle_refined_deg	1.16
r_mcbond_other	0.669
r_angle_other_deg	0.623
r_chiral_restr	0.083
r_bond_refined_d	0.016
r_gen_planes_refined	0.012
r_bond_other_d	0.007
r_gen_planes_other	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	744
Nucleic Acid Atoms
Solvent Atoms	43
Heterogen Atoms	33

Software

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