3MZW

HER2 extracelluar region with affinity matured 3-helix affibody ZHER2:342

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	SSRL BEAMLINE BL11-1
Synchrotron site	SSRL
Beamline	BL11-1
Temperature [K]	115
Detector technology	CCD
Collection date	2008-08-07
Detector	MARMOSAIC 325 mm CCD
Wavelength(s)	0.98
Spacegroup name	P 21 21 21
Unit cell lengths	71.726, 97.841, 148.283
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	40.000 - 2.900
R-factor	0.20804
Rwork	0.204
R-free	0.27756
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	1S78 and 1LP1
RMSD bond length	0.010
RMSD bond angle	1.359
Data reduction software	XDS
Data scaling software	XDS
Phasing software	PHASER
Refinement software	REFMAC (5.1.19)

Data quality characteristics

	Overall
Low resolution limit [Å]	40.000
High resolution limit [Å]	2.900
Number of reflections	21673
<I/σ(I)>	13
Completeness [%]	96.7
Redundancy	3.9

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	5	279	0.05M sodium chloride, 7.5% PEG3350, 0.1M ammonium acetate, VAPOR DIFFUSION, HANGING DROP, temperature 279K
1	VAPOR DIFFUSION, HANGING DROP	5	279	0.05M sodium chloride, 7.5% PEG3350, 0.1M ammonium acetate, VAPOR DIFFUSION, HANGING DROP, temperature 279K