7Q7M

Room temperature structure of the Rhodobacter Sphaeroides Photosynthetic Reaction Center F(M197)H mutant at 100 MPa helium gas pressure in a sapphire capillary

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	PETRA III, DESY BEAMLINE P11
Synchrotron site	PETRA III, DESY
Beamline	P11
Temperature [K]	295
Detector technology	PIXEL
Collection date	2019-10-06
Detector	DECTRIS PILATUS3 X CdTe 2M
Wavelength(s)	0.477
Spacegroup name	P 42 21 2
Unit cell lengths	102.210, 102.210, 237.710
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	46.950 - 2.550
R-factor	0.1844
Rwork	0.183
R-free	0.22260
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	3v3y
RMSD bond length	0.003
RMSD bond angle	0.578
Data reduction software	XDS
Data scaling software	XSCALE
Phasing software	PHENIX
Refinement software	PHENIX (1.13-2998_9999)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	46.950	2.641
High resolution limit [Å]	2.550	2.550
Rmerge	0.509	2.931
Rmeas	0.525	3.027
Rpim	0.124	0.739
Number of reflections	41962	4104
<I/σ(I)>	5.93	1
Completeness [%]	99.8	99.95
Redundancy	17.2	16.2
CC(1/2)	0.979	0.375

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	BATCH MODE		289	20-25 mg/ml protein solution was mixed 1:1 with lipid sponge phase. The mixture was filled into a sealed plastic tip covered with an excess amount of 1 M trisodium citrate and incubated in the dark at 289 K for 1 week.