6V4S

A Closed pore conformation of a Pentameic ligand-gated ion channel with additional N-terminal domain

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	SOLEIL BEAMLINE PROXIMA 1
Synchrotron site	SOLEIL
Beamline	PROXIMA 1
Temperature [K]	193
Detector technology	PIXEL
Collection date	2016-06-12
Detector	DECTRIS PILATUS 6M
Wavelength(s)	0.9786
Spacegroup name	P 21 21 2
Unit cell lengths	159.406, 337.254, 111.812
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	48.040 - 3.550
R-factor	0.1972
Rwork	0.194
R-free	0.26810
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	2vl0 4hfi
RMSD bond length	0.017
RMSD bond angle	2.269
Data reduction software	XDS
Data scaling software	Aimless
Phasing software	MOLREP
Refinement software	REFMAC (5.8.0158)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	48.180	3.640
High resolution limit [Å]	3.550	3.550
Number of reflections	73420	5125
<I/σ(I)>	11
Completeness [%]	99.6	95.5
Redundancy	13.3	12.7
CC(1/2)	0.999	0.372

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP		291	100 mM Tris pH 7.5, 250 mM CaCl2, 14.5% (w/v) PEG-MME 2000