8VTM

Crystal structure of R. sphaeroides Photosynthetic Reaction Center variant Y(M210)2-bromophenylalanine

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	SSRL BEAMLINE BL9-2
Synchrotron site	SSRL
Beamline	BL9-2
Temperature [K]	250
Detector technology	PIXEL
Collection date	2023-08-16
Detector	DECTRIS PILATUS3 S 6M
Wavelength(s)	0.97893
Spacegroup name	P 31 2 1
Unit cell lengths	141.790, 141.790, 187.710
Unit cell angles	90.00, 90.00, 120.00

Refinement procedure

Resolution	39.990 - 3.510
R-factor	0.2215
Rwork	0.220
R-free	0.26070
Structure solution method	MOLECULAR REPLACEMENT
RMSD bond length	0.004
RMSD bond angle	0.720
Data reduction software	XDS
Data scaling software	XSCALE
Phasing software	PHASER
Refinement software	PHENIX ((1.19.2_4158: ???))

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	39.990	3.640
High resolution limit [Å]	3.510	3.510
Rmerge	0.340	1.384
Rmeas	0.357	1.554
Rpim	0.129	0.517
Number of reflections	27714	2735
<I/σ(I)>	6.39	1.52
Completeness [%]	99.6	99.89
Redundancy	7.8	8.1
CC(1/2)	0.987	0.569

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP		293	1 M potassium phosphate, 3.5% 1,2,3-heptanetriol, and 0.1% LDAO precipitant solution; 1.4-1.5 M potassium phosphate reservoir solution, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K