6V50

Coiled-coil Trimer with Glu:Ser:Lys Triad with K7A mutation

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	ROTATING ANODE
Source details	ENRAF-NONIUS FR591
Temperature [K]	100
Detector technology	CCD
Collection date	2019-04-02
Detector	APEX II CCD
Wavelength(s)	1.5406
Spacegroup name	H 3
Unit cell lengths	39.190, 39.190, 98.610
Unit cell angles	90.00, 90.00, 120.00

Refinement procedure

Resolution	19.946 - 2.285
R-factor	0.2028
Rwork	0.197
R-free	0.26570
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	6ovs
RMSD bond length	0.006
RMSD bond angle	0.677
Data reduction software	PROTEUM PLUS
Data scaling software	PROTEUM PLUS
Phasing software	PHENIX
Refinement software	PHENIX (1.12_2829)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	19.946	2.615
High resolution limit [Å]	2.285	2.285
Rmerge	0.100	0.354
Rmeas	0.104	0.104
Rpim	0.029	0.135
Number of reflections	5113	258
<I/σ(I)>	12	2.3
Completeness [%]	99.9
Redundancy	12.6
CC(1/2)	0.999	0.946

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP		298	40% PEG300, 100 mM HEPES/NaOH, pH 7.5, 200 mM sodium chloride