4EKW

Crystal structure of the NavAb voltage-gated sodium channel (wild-type, 3.2 A)

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	ALS BEAMLINE 8.2.1
Synchrotron site	ALS
Beamline	8.2.1
Temperature [K]	100
Detector technology	CCD
Collection date	2011-05-15
Detector	ADSC QUANTUM 315
Wavelength(s)	0.9792
Spacegroup name	P 42
Unit cell lengths	125.856, 125.856, 192.641
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	50.000 - 3.210
R-factor	0.30861
Rwork	0.308
R-free	0.32168
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	3rvy
RMSD bond length	0.009
RMSD bond angle	1.382
Data reduction software	DENZO
Data scaling software	SCALEPACK
Phasing software	PHENIX
Refinement software	REFMAC (5.6.0117)

Data quality characteristics

	Overall	Inner shell	Outer shell
Low resolution limit [Å]	50.000	3.310	3.260
High resolution limit [Å]	3.210	3.260	3.200
Rmerge	0.086	0.492	0.676
Number of reflections	44951
<I/σ(I)>		1.48	1.05
Completeness [%]	96.4	99.2	99.4
Redundancy	3	3	2.9

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	4.75	298	CHAPSO:DMPC BICELLES, 2 M AMMONIUM SULPHATE, 0.1 M NA-CITRATE, 28% GLUCOSE, NICOTINIC ACID, pH 4.75, VAPOR DIFFUSION, HANGING DROP, temperature 298K