3NYL

The X-ray structure of an antiparallel dimer of the human amyloid precursor protein E2 domain

Replaces:  1RW6

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	NSLS BEAMLINE X25
Synchrotron site	NSLS
Beamline	X25
Temperature [K]	100
Detector technology	CCD
Wavelength(s)	1.009
Spacegroup name	I 4 2 2
Unit cell lengths	83.589, 83.589, 147.341
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	40.000 - 2.800
R-factor	0.265
Rwork	0.258
R-free	0.32200
Structure solution method	MAD
Data reduction software	HKL-2000
Data scaling software	SCALEPACK
Phasing software	SOLVE
Refinement software	REFMAC (5.5.0109)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	40.000	2.900
High resolution limit [Å]	2.800	2.800
Rmerge	0.050
Number of reflections	6419
<I/σ(I)>	24.3
Completeness [%]	94.7	64.8
Redundancy	8

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION	4.5	298	2M NaCl, 0.1M NaOAc, pH 4.5, VAPOR DIFFUSION, temperature 298K