3SER

Zn-mediated Polymer of Maltose-binding Protein K26H/K30H by Synthetic Symmetrization

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	57.700, 116.370, 65.040
Unit cell angles	90.00, 99.47, 90.00

Refinement procedure

Resolution	64.154 - 2.350
R-factor	0.1832
Rwork	0.181
R-free	0.22160
Structure solution method	MOLECULAR REPLACEMENT
RMSD bond length	0.004
RMSD bond angle	0.773
Data scaling software	XSCALE
Phasing software	PHASER (2.1.4)
Refinement software	PHENIX (1.7_650)

Data quality characteristics

	Overall	Inner shell	Outer shell
Low resolution limit [Å]	64.154		2.410
High resolution limit [Å]	2.350	10.510	2.350
Rmerge	0.111	0.031	0.556
Number of reflections	35277	411	2638
<I/σ(I)>	20.6	54.15	4.79
Completeness [%]	99.9	98.6	99.8

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	8	290	0.1M MES, 0.2M CALCIUM ACETATE, 20% (W/V) PEG 8000, pH 8.0, vapor diffusion, hanging drop, temperature 290K