4FU6

Crystal structure of the PSIP1 PWWP domain

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	APS BEAMLINE 23-ID-D
Synchrotron site	APS
Beamline	23-ID-D
Temperature [K]	100
Detector technology	IMAGE PLATE
Collection date	2012-06-22
Detector	MAR scanner 300 mm plate
Wavelength(s)	0.97944
Spacegroup name	P 43 21 2
Unit cell lengths	45.960, 45.960, 156.240
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	40.000 - 2.100
R-factor	0.201
Rwork	0.200
R-free	0.23180
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	3qby
RMSD bond length	0.014
RMSD bond angle	1.468
Data reduction software	DENZO
Data scaling software	SCALEPACK
Phasing software	PHASER
Refinement software	REFMAC (5.7.0027)

Data quality characteristics

	Overall	Inner shell	Outer shell
Low resolution limit [Å]	50.000	50.000	2.140
High resolution limit [Å]	2.100	5.700	2.100
Rmerge	0.081	0.036	0.981
Number of reflections	10584
<I/σ(I)>	10.2
Completeness [%]	100.0	100	100
Redundancy	13.4	11.4	11.4

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION	8.5	291	The protein sample was treated with V8 protease. 2.5M ammonium sulfate, 0.1M TRIS, pH 8.5, vapor diffusion, temperature 291K