6PFU

rsEGFP2 with a chlorinated chromophore in the non-fluorescent off-state in a contracted unit cell

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	SSRL BEAMLINE BL9-2
Synchrotron site	SSRL
Beamline	BL9-2
Temperature [K]	100
Detector technology	PIXEL
Collection date	2018-10-29
Detector	DECTRIS PILATUS 6M
Wavelength(s)	0.97946
Spacegroup name	P 21 21 21
Unit cell lengths	51.320, 59.479, 65.408
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	38.856 - 1.619
R-factor	0.1811
Rwork	0.179
R-free	0.20750
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	5dty
RMSD bond length	0.007
RMSD bond angle	0.922
Data reduction software	XDS
Data scaling software	XDS
Phasing software	PHENIX
Refinement software	PHENIX (1.13_2998)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	38.860	1.677
High resolution limit [Å]	1.619	1.619
Rmerge	0.023	0.441
Rmeas	0.033	0.624
Number of reflections	25996	2533
<I/σ(I)>	14.19	1.67
Completeness [%]	99.4	98.37
Redundancy	2	2
CC(1/2)	1.000	1.000

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	8.1	298	1.76 M ammonium sulfate, 0.1 M HEPES; Cryoprotectant 1.6 M sucrose, 2.72 M ammonium sulfate, 0.16 M HEPES.