2CX6

Crystal structure of ribonuclease inhibitor Barstar

Experimental procedure

Experimental method	MAD
Source type	SYNCHROTRON
Source details	SPRING-8 BEAMLINE BL26B2
Synchrotron site	SPring-8
Beamline	BL26B2
Temperature [K]	100
Detector technology	IMAGE PLATE
Collection date	2004-07-24
Detector	RIGAKU
Wavelength(s)	0.9792, 0.9795, 0.964
Spacegroup name	P 41 21 2
Unit cell lengths	51.064, 51.064, 180.042
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	49.130 - 2.430
R-factor	0.229
Rwork	0.229
R-free	0.29500
Structure solution method	MAD
RMSD bond length	0.011
RMSD bond angle	1.600
Data reduction software	HKL-2000
Data scaling software	SCALEPACK
Phasing software	SOLVE
Refinement software	CNS (1.1)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	50.000	2.520
High resolution limit [Å]	2.430	2.430
Number of reflections	9619
<I/σ(I)>	27.7
Completeness [%]	99.3	100
Redundancy	8.9

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	5.6	293	1.7M Sodium formate, 0.1M Sodium acetate, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 293K