5OVD

Ras guanine nucleotide exchange factor SOS1 (Rem-cdc25) in new crystal form

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	BESSY BEAMLINE 14.1
Synchrotron site	BESSY
Beamline	14.1
Temperature [K]	100
Detector technology	PIXEL
Collection date	2017-08-09
Detector	DECTRIS PILATUS3 6M
Wavelength(s)	0.9184
Spacegroup name	P 21 21 21
Unit cell lengths	40.941, 85.372, 176.100
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	48.370 - 1.900
R-factor	0.20044
Rwork	0.199
R-free	0.24022
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	2ii0
RMSD bond length	0.010
RMSD bond angle	1.295
Data reduction software	XDS (VERSION Jun 1, 2017)
Data scaling software	XDS (VERSION Jun 1, 2017)
Phasing software	PHASER (2.7.17)
Refinement software	REFMAC (5.8.0158)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	48.370	2.010
High resolution limit [Å]	1.900	1.900
Number of reflections	49297	7749
<I/σ(I)>	13.99	1.46
Completeness [%]	98.7	97.6
Redundancy	4.79	4.87
CC(1/2)	0.999	0.678

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	7.5	293	Protein concentration 30.7 mg/ml. Protein buffer 25 Millimolar TRIS-HCL PH 7.5, 50 millimolar NaCl, 1 millimolar DTT. Reservoir 23% (v/v) ethylenglycol. No cryo required as grown from ethylenglycol as precipitant