6U45

Crystal structure of Methanoperedens nitroreducens elongation factor 2 bound to GMPPCP and magnesium

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	APS BEAMLINE 24-ID-C
Synchrotron site	APS
Beamline	24-ID-C
Temperature [K]	100
Detector technology	PIXEL
Collection date	2017-02-20
Detector	DECTRIS PILATUS 6M-F
Wavelength(s)	0.9791
Spacegroup name	P 21 21 21
Unit cell lengths	93.699, 134.375, 150.485
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	100.231 - 2.350
R-factor	0.1713
Rwork	0.168
R-free	0.22440
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	Methanoperedens nitroreducens elongation factor 2 H595N (triclinic crystal form)
Data reduction software	XDS
Data scaling software	Aimless
Phasing software	PHASER
Refinement software	PHENIX (1.14_3211)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	150.500	2.400
High resolution limit [Å]	2.350	2.350
Rmerge	0.072	0.715
Number of reflections	79562	4201
<I/σ(I)>	15	1.2
Completeness [%]	99.5
Redundancy	10.3
CC(1/2)	0.998	0.715

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP		295	100 mM HEPES or imidazole, pH 8.3, 200 mM sodium malonate, 16-18 % (w/v) PEG4000, 9 mM GppCp, and 15 mM MgCl2