6PHO

Crystal structure of glucagon analog with selenomethionine substitutions at position 1 and 27 in space group I41 at 1.42 A resolution

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	ALS BEAMLINE 4.2.2
Synchrotron site	ALS
Beamline	4.2.2
Temperature [K]	100
Detector technology	CMOS
Collection date	2018-05-17
Detector	RDI CMOS_8M
Wavelength(s)	0.97625
Spacegroup name	I 41
Unit cell lengths	41.696, 41.696, 29.648
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	15.785 - 1.420
R-factor	0.1613
Rwork	0.160
R-free	0.18900
Structure solution method	SAD
RMSD bond length	0.006
RMSD bond angle	0.890
Data reduction software	XDS
Data scaling software	Aimless
Phasing software	PHASER
Refinement software	PHENIX ((1.14_3260: ???))

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	29.480	1.710
High resolution limit [Å]	1.420	1.420
Rmeas	0.060	0.693
Rpim	0.023	0.412
Number of reflections	4708	1841
<I/σ(I)>	20.1	1.5
Completeness [%]	96.3	84
Redundancy	6.1	2.7
CC(1/2)	0.998	0.505

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP		293	0.2 M tri-potassium citrate, 20% PEG3350