7T50

Crystal structure of the molybdate-binding periplasmic protein ModA from the bacteria Pseudomonsa aeruginosa in chromate-bound form

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	AUSTRALIAN SYNCHROTRON BEAMLINE MX2
Synchrotron site	Australian Synchrotron
Beamline	MX2
Temperature [K]	100
Detector technology	PIXEL
Collection date	2019-12-04
Detector	DECTRIS EIGER X 16M
Wavelength(s)	0.954
Spacegroup name	P 1 21 1
Unit cell lengths	45.627, 41.223, 111.366
Unit cell angles	90.00, 92.76, 90.00

Refinement procedure

Resolution	41.480 - 1.900
R-factor	0.2369
Rwork	0.235
R-free	0.26640
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	1atg
RMSD bond length	0.009
RMSD bond angle	0.973
Data reduction software	XDS
Data scaling software	Aimless
Phasing software	PHENIX
Refinement software	PHENIX (1.19.2_4158)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	45.570	1.940
High resolution limit [Å]	1.900	1.900
Rmerge	0.103	0.751
Rmeas	0.122	0.888
Rpim	0.065	0.469
Number of reflections		1972
<I/σ(I)>	8.6	1.7
Completeness [%]	99.1	94.7
Redundancy	3.4	3.4
CC(1/2)	0.996	0.687

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	8.5	293.15	0.1 M Tris-HCl pH 8.5, 2.1 M ammonium sulfate, 20% v/v glycerol