7OYU

E.coli's putrescine receptor variant PotF/D (4JDF) with mutations E39D Y87S F88Y in complex with spermidine

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	BESSY BEAMLINE 14.2
Synchrotron site	BESSY
Beamline	14.2
Temperature [K]	100
Detector technology	PIXEL
Collection date	2019-07-11
Detector	DECTRIS PILATUS3 2M
Wavelength(s)	0.9184
Spacegroup name	P 21 21 21
Unit cell lengths	37.136, 78.606, 114.831
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	46.360 - 1.950
R-factor	0.2029
Rwork	0.201
R-free	0.24180
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	1a99
RMSD bond length	0.005
RMSD bond angle	0.679
Data reduction software	XDS (20190315)
Data scaling software	XSCALE (20190315)
Phasing software	PHASER (2.8.3)
Refinement software	PHENIX (1.17.1_3660)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	46.360	2.020
High resolution limit [Å]	1.950	1.950
Rmerge	0.206	2.231
Rmeas	0.227	2.451
Rpim	0.093	0.996
Number of reflections	25021	14023
<I/σ(I)>	6.44	0.79
Completeness [%]	98.9	99.2
Redundancy	5.5	5.7
CC(1/2)	0.994	0.262

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP	4.6	293	0.1 M Sodium acetate pH 4.6, 0.2 M Ammonium acetate, 30% PEG 4000