3U21

Crystal structure of a Fragment of Nuclear factor related to kappa-B-binding protein (residues 370-495) (NFRKB) from Homo sapiens at 2.18 A resolution

Experimental procedure

Experimental method	MAD
Source type	SYNCHROTRON
Source details	SSRL BEAMLINE BL9-2
Synchrotron site	SSRL
Beamline	BL9-2
Temperature [K]	100
Detector technology	CCD
Collection date	2011-06-22
Detector	MARMOSAIC 325 mm CCD
Wavelength(s)	0.91837,0.97936,0.97915
Spacegroup name	P 43 21 2
Unit cell lengths	60.942, 60.942, 130.839
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	35.466 - 2.180
R-factor	0.2324
Rwork	0.231
R-free	0.26950
Structure solution method	MAD
RMSD bond length	0.012
RMSD bond angle	1.252
Data reduction software	XDS
Data scaling software	XSCALE (December 6, 2010)
Phasing software	SHELX
Refinement software	REFMAC (5.6.0116)

Data quality characteristics

	Overall	Inner shell	Outer shell
Low resolution limit [Å]	35.466		2.260
High resolution limit [Å]	2.180	4.680	2.180
Rmerge	0.067	0.024	0.796
Number of reflections	13560	1500	1360
<I/σ(I)>	20.78	58.9	2.4
Completeness [%]	99.8	98.3	99.9

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP	7.5	277	0.09M HEPES pH 7.5, 10% glycerol, 1.26M tri-sodium citrate, NANODROP, VAPOR DIFFUSION, SITTING DROP, temperature 277K