5WPN

Zn-bound Structure of Chaetopterus variopedatus Ferritin

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	SSRL BEAMLINE BL12-2
Synchrotron site	SSRL
Beamline	BL12-2
Temperature [K]	100
Detector technology	PIXEL
Collection date	2016-01-14
Detector	DECTRIS PILATUS 6M
Spacegroup name	F 4 3 2
Unit cell lengths	181.870, 181.870, 181.870
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	45.467 - 1.570
R-factor	0.1394
Rwork	0.138
R-free	0.16280
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	homology model
Data reduction software	iMOSFLM
Data scaling software	Aimless
Phasing software	PHASER
Refinement software	PHENIX (1.11.1_2575)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	90.940	1.600
High resolution limit [Å]	1.570	1.570
Rmerge	0.095	0.803
Number of reflections	36446	296
<I/σ(I)>	24.9	2.2
Completeness [%]	99.9	98.6
Redundancy	25.1	5.6
CC(1/2)	0.985	0.568

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP		297	Reservoir: 500 uL total volume: 20 mM Tris (pH 8.5), 40 mM CaCl2, 6% PEG 400 Sitting Drop: 2 uL reservoir, 2 uL of 25 uM Chaetopterus variopedatus ferritin Soaking Solution (30 min): 10 mM Zn, 20 mM Tris (pH 8.5), 20 mM CaCl2, and 3% (v/v) PEG 400