2PS0

Structure and metal binding properties of ZnuA, a periplasmic zinc transporter from Escherichia coli

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	APS BEAMLINE 5ID-B
Synchrotron site	APS
Beamline	5ID-B
Temperature [K]	100
Detector technology	IMAGE PLATE
Collection date	2006-03-03
Detector	MAR scanner 300 mm plate
Spacegroup name	P 21 21 21
Unit cell lengths	73.438, 86.266, 88.147
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	37.200 - 2.000
R-factor	0.201
Rwork	0.199
R-free	0.25000
Structure solution method	SAD
RMSD bond length	0.009
RMSD bond angle	1.188
Data reduction software	DENZO
Data scaling software	SCALEPACK
Phasing software	SHELXS
Refinement software	REFMAC (5.2.0005)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	37.200	2.070
High resolution limit [Å]	2.000	2.000
Number of reflections	38461
Completeness [%]	99.8	98.4
Redundancy	6.8	5.8

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	4.9	293	30 % (w/v) PEG 4000, 5 % isopropanol, 0.1 M succinate, pH 4.9 mixed 1:1 with 10 mg/mL ZnZnuA or 1:2 with 2.5 mg/mL ZnZnuA, VAPOR DIFFUSION, HANGING DROP, temperature 293K
1	VAPOR DIFFUSION, HANGING DROP	4.9	293	30 % (w/v) PEG 4000, 5 % isopropanol, 0.1 M succinate, pH 4.9 mixed 1:1 with 10 mg/mL ZnZnuA or 1:2 with 2.5 mg/mL ZnZnuA, VAPOR DIFFUSION, HANGING DROP, temperature 293K
1	VAPOR DIFFUSION, HANGING DROP	4.9	293	30 % (w/v) PEG 4000, 5 % isopropanol, 0.1 M succinate, pH 4.9 mixed 1:1 with 10 mg/mL ZnZnuA or 1:2 with 2.5 mg/mL ZnZnuA, VAPOR DIFFUSION, HANGING DROP, temperature 293K