6JLM

XFEL structure of cyanobacterial photosystem II (dark state, dataset2)

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	FREE ELECTRON LASER
Source details	SACLA BEAMLINE BL3
Synchrotron site	SACLA
Beamline	BL3
Temperature [K]	100
Detector technology	CCD
Collection date	2017-04-09
Detector	RAYONIX MX300-HS
Wavelength(s)	1.2398
Spacegroup name	P 21 21 21
Unit cell lengths	122.040, 228.840, 286.980
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	19.990 - 2.350
R-factor	0.156
Rwork	0.153
R-free	0.20900
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	6jlj
RMSD bond length	0.008
RMSD bond angle	1.401
Data reduction software	CrystFEL
Data scaling software	CrystFEL
Phasing software	PHASER
Refinement software	PHENIX (1.9_1692)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	50.000	2.440
High resolution limit [Å]	2.350	2.350
Number of reflections	349978	34692
<I/σ(I)>	8.8
Completeness [%]	100.0
Redundancy	781
CC(1/2)	0.995	0.276

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	BATCH MODE		293	PEG, magnesium sulfate