4R0P

Ifqins, an amyloid forming segment from human lysozyme spanning residues 56-61

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	ESRF BEAMLINE ID13
Synchrotron site	ESRF
Beamline	ID13
Temperature [K]	100
Detector technology	CCD
Collection date	2006-05-16
Detector	MAR CCD 165 mm
Wavelength(s)	0.9466
Spacegroup name	P 21 21 21
Unit cell lengths	19.607, 4.839, 43.220
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	21.610 - 1.520
R-factor	0.1623
Rwork	0.158
R-free	0.20080
Structure solution method	MOLECULAR REPLACEMENT
RMSD bond length	0.013
RMSD bond angle	1.479
Data reduction software	DENZO
Data scaling software	SCALEPACK
Phasing software	PHASER (1.3.2)
Refinement software	REFMAC (5.2.0019)

Data quality characteristics

	Overall	Inner shell	Outer shell
Low resolution limit [Å]	90.000	90.000	1.620
High resolution limit [Å]	1.500	2.560	1.500
Rmerge	0.181	0.125	0.422
Number of reflections	753
<I/σ(I)>	5.8
Completeness [%]	93.8	99.5	81
Redundancy	13.1	13.8	8.8

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	6.5	298	reservoir contained 0.1M Bis-Tris pH 6.5, 3.0M Sodium Chloride, vapor diffusion, hanging drop, temperature 298K