4N4C

Crystal structure of the C-terminal swapped dimer of a Bovine seminal ribonuclease mutant

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	ELETTRA BEAMLINE 5.2R
Synchrotron site	ELETTRA
Beamline	5.2R
Temperature [K]	100
Detector technology	CCD
Collection date	2008-11-16
Detector	MAR CCD 165 mm
Wavelength(s)	1.0099
Spacegroup name	P 1 21 1
Unit cell lengths	28.802, 79.044, 75.379
Unit cell angles	90.00, 101.05, 90.00

Refinement procedure

Resolution	19.761 - 2.480
R-factor	0.171
Rwork	0.170
R-free	0.18560
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	1n1x
RMSD bond length	0.009
RMSD bond angle	1.289
Data reduction software	HKL-2000
Data scaling software	HKL-2000
Phasing software	PHASER
Refinement software	PHENIX ((phenix.refine: 1.8.2_1309))

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	19.761	2.570
High resolution limit [Å]	2.480	2.480
Number of reflections	9497
Completeness [%]	78.9	39
Redundancy		2

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION	6	293	16-20% w/v PEG35K, 0.2 M lithium chloride, 0.1 M sodium cacodylate buffer, pH 6.0, 3% v/v acetonitrile, VAPOR DIFFUSION, temperature 293K