2GMR

Photosynthetic reaction center mutant from Rhodobacter sphaeroides with Asp L210 replaced with Asn

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	SLS BEAMLINE X10SA
Synchrotron site	SLS
Beamline	X10SA
Temperature [K]	100
Detector technology	CCD
Collection date	2005-09-29
Detector	MARMOSAIC 225 mm CCD
Spacegroup name	P 21 21 21
Unit cell lengths	76.850, 134.720, 141.640
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	38.430 - 2.500
R-factor	0.215
Rwork	0.215
R-free	0.25000
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	1aig
RMSD bond length	0.007
RMSD bond angle	1.400
Data reduction software	XDS
Data scaling software	XSCALE
Phasing software	MOLREP
Refinement software	CNS

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	38.433	2.600
High resolution limit [Å]	2.500	2.500
Number of reflections	50281
<I/σ(I)>	24.49	6.35
Completeness [%]	97.4	99.3

Crystallization Conditions

crystal ID	method	pH	temperature	details
1		8	301	20% PEG 4000, 100mM Tris-Cl, 750mM NaCl, 3% 1,2,3-heptanetriole, 0.12% LDAO, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 301.0K, pH 8.00