4RKI

Crystal structure of sliding beta clamp from Helicobacter pylori

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	ESRF BEAMLINE BM14
Synchrotron site	ESRF
Beamline	BM14
Temperature [K]	100
Detector technology	IMAGE PLATE
Collection date	2014-06-27
Detector	MAR scanner 345 mm plate
Wavelength(s)	0.769
Spacegroup name	C 1 2 1
Unit cell lengths	89.534, 65.886, 82.723
Unit cell angles	90.00, 115.79, 90.00

Refinement procedure

Resolution	50.000 - 2.050
R-factor	0.21658
Rwork	0.215
R-free	0.24729
Structure solution method	MR SAD
Starting model (for MR)	2awa
RMSD bond length	0.006
RMSD bond angle	1.136
Data reduction software	HKL-2000
Data scaling software	HKL-2000
Phasing software	PHENIX
Refinement software	REFMAC (5.8.0073)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	50.000	2.090
High resolution limit [Å]	2.050	2.050
Number of reflections	52832
<I/σ(I)>	29.43	2.05
Completeness [%]	99.5	95
Redundancy	3.8	3.5

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	7.3	289	6% Peg20000, 20% Peg550MME, 0.1M Hepes+MOPS pH7.3, 0.2M Ammonium citrate dibasic, 10mM MgCl2+10mM SrCl2, VAPOR DIFFUSION, HANGING DROP, temperature 289K