3Q5U

A minimal NLS from human scramblase 4 complexed with importin alpha

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SEALED TUBE
Source details	OXFORD DIFFRACTION ENHANCE ULTRA
Temperature [K]	100
Detector technology	CCD
Collection date	2010-08-10
Detector	OXFORD ONYX CCD
Wavelength(s)	1.5
Spacegroup name	P 21 21 21
Unit cell lengths	77.451, 90.973, 96.895
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	29.810 - 2.500
R-factor	0.1893
Rwork	0.187
R-free	0.22560
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	PDB code 1Y2A
RMSD bond length	0.008
RMSD bond angle	1.092
Data reduction software	MOSFLM
Data scaling software	SCALA
Refinement software	PHENIX ((phenix.refine: 1.6.3_473))

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	30.000	2.640
High resolution limit [Å]	2.500	2.500
Rmerge	0.171	0.773
Number of reflections	22733
<I/σ(I)>	12.7	2.1
Completeness [%]	93.4	67.3
Redundancy	7.5

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	6	293	2.3 uL of deltaIBB-importin alpha concentrated to 20 mg/ml were mixed with 0.7 microlitre of a 2-fold molar excess of hPLSCR4-NLS peptide; 3 uL of reservoir solution containing ~0.8 M sodium citrate, 100 mM Hepes, and 10 mM beta-mercaptoethanol were added to the drop, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K