3SEU

Zn-mediated Polymer of Maltose-binding Protein A216H/K220H by Synthetic Symmetrization (Form III)

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	APS BEAMLINE 24-ID-C
Synchrotron site	APS
Beamline	24-ID-C
Temperature [K]	100
Detector technology	CCD
Collection date	2010-10-16
Detector	ADSC QUANTUM 315
Wavelength(s)	0.9795
Spacegroup name	P 1 21 1
Unit cell lengths	49.500, 61.190, 59.760
Unit cell angles	90.00, 109.34, 90.00

Refinement procedure

Resolution	56.389 - 1.850
R-factor	0.163
Rwork	0.161
R-free	0.19140
Structure solution method	MOLECULAR REPLACEMENT
RMSD bond length	0.005
RMSD bond angle	0.910
Data scaling software	XSCALE
Phasing software	PHASER (2.1.4)
Refinement software	PHENIX (1.6.4_486)

Data quality characteristics

	Overall	Inner shell	Outer shell
Low resolution limit [Å]	56.389		1.900
High resolution limit [Å]	1.850	8.270	1.850
Rmerge	0.122	0.054	0.525
Number of reflections	28565	343	2037
<I/σ(I)>	12.1	23.72	2.76
Completeness [%]	98.7	98.6	96.3

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	8	290	0.1M IMIDAZOLE, 0.2M ZINC ACETATE, 20% (W/V) PEG 3000, pH 8.0, vapor diffusion, hanging drop, temperature 290K