3AV2

The human nucleosome structure containing the histone variant H3.3

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	SPRING-8 BEAMLINE BL41XU
Synchrotron site	SPring-8
Beamline	BL41XU
Temperature [K]	100
Detector technology	CCD
Collection date	2009-11-23
Detector	ADSC QUANTUM 315
Wavelength(s)	1.000
Spacegroup name	P 21 21 21
Unit cell lengths	105.843, 109.686, 181.177
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	50.000 - 2.800
R-factor	0.23
Rwork	0.230
R-free	0.27200
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	3afa
RMSD bond length	0.007
RMSD bond angle	1.170
Data reduction software	HKL-2000
Data scaling software	HKL-2000
Phasing software	MOLREP
Refinement software	CNS (1.2.1)

Data quality characteristics

	Overall	Inner shell	Outer shell
Low resolution limit [Å]	50.000	50.000	2.900
High resolution limit [Å]	2.800	6.030	2.800
Number of reflections	52981
<I/σ(I)>	14.2	55.1	4
Completeness [%]	99.8	98.6	99.8
Redundancy	5.2	5	4.9

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	6	293	potassium cacodylate, potassium chloride, manganese chloride, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K