4RKU

Crystal structure of plant Photosystem I at 3 Angstrom resolution

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	ESRF BEAMLINE ID23-2
Synchrotron site	ESRF
Beamline	ID23-2
Temperature [K]	100
Detector technology	CCD
Collection date	2009-03-10
Detector	MARMOSAIC 225 mm CCD
Wavelength(s)	0.873
Spacegroup name	P 1 21 1
Unit cell lengths	120.631, 189.168, 129.667
Unit cell angles	90.00, 91.11, 90.00

Refinement procedure

Resolution	39.693 - 3.000
R-factor	0.2593
Rwork	0.258
R-free	0.29300
Structure solution method	MOLECULAR REPLACEMENT
RMSD bond length	0.011
RMSD bond angle	2.372
Data reduction software	XDS
Data scaling software	SCALA
Phasing software	MOLREP
Refinement software	PHENIX ((phenix.refine: 1.9_1690))

Data quality characteristics

	Overall
Low resolution limit [Å]	129.642
High resolution limit [Å]	2.534
Rmerge	0.158
Number of reflections	116008
Completeness [%]	99.8
Redundancy	6.1

Crystallization Conditions

crystal ID	method	pH	temperature	details
1