4IAO

Crystal structure of Sir2 C543S mutant in complex with SID domain of Sir4

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	NSLS BEAMLINE X29A
Synchrotron site	NSLS
Beamline	X29A
Temperature [K]	100
Detector technology	CCD
Collection date	2008-04-26
Detector	ADSC QUANTUM 4r
Wavelength(s)	1.08
Spacegroup name	C 2 2 21
Unit cell lengths	166.406, 178.752, 121.564
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	36.431 - 2.901
R-factor	0.2288
Rwork	0.227
R-free	0.26860
Structure solution method	MAD
RMSD bond length	0.005
RMSD bond angle	0.999
Data reduction software	HKL-2000
Data scaling software	HKL-2000
Phasing software	SHARP
Refinement software	PHENIX ((phenix.refine: 1.7.1_743))

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	50.000	3.000
High resolution limit [Å]	2.900	2.900
Rmerge	0.088	0.405
Number of reflections	36438
<I/σ(I)>	15.8	1.9
Completeness [%]	90.2	76.7
Redundancy	5.7	3.4

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	7.5	289	100mM sodium phosphate, 0.6M sodium citrate, 2mM DTT, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 289K
1	VAPOR DIFFUSION, HANGING DROP	7.5	289	100mM sodium phosphate, 0.6M sodium citrate, 2mM DTT, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 289K