4DJT

Crystal structure of a nuclear GTP-binding protein from Encephalitozoon cuniculi bound to GDP-Mg2+

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	ROTATING ANODE
Source details	RIGAKU FR-E+ SUPERBRIGHT
Temperature [K]	100
Detector technology	CCD
Collection date	2012-01-13
Detector	RIGAKU SATURN 944+
Wavelength(s)	1.5418
Spacegroup name	P 1 21 1
Unit cell lengths	42.570, 89.250, 54.980
Unit cell angles	90.00, 108.06, 90.00

Refinement procedure

Resolution	50.000 - 1.800
R-factor	0.1772
Rwork	0.175
R-free	0.21600
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	1qg4
RMSD bond length	0.013
RMSD bond angle	1.395
Data reduction software	XDS
Data scaling software	XSCALE
Phasing software	PHASER (2.3.0)
Refinement software	REFMAC

Data quality characteristics

	Overall	Inner shell	Outer shell
Low resolution limit [Å]	50.000		1.850
High resolution limit [Å]	1.800	8.050	1.800
Rmerge	0.038	0.024	0.308
Number of reflections	34910	429	2375
<I/σ(I)>	34.93	111.61	5.6
Completeness [%]	96.3	98.4	89.1
Redundancy	9.1

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP	7.5	289	EncuA.01002.a.A1 PS00532 at 44.6 mg/mL with 5 mM GDP against CSHT screen condition H2: 0.1 M HEPES, pH 7.5, 20% PEG10000, cryoprotectant: 20% ethylene glycol, crystal tracking ID 225457h2, VAPOR DIFFUSION, SITTING DROP, temperature 289K