6T5K

ECV-1 from Echinicola vietnamensis. Environmental metallo-beta-lactamases exhibit high enzymatic activity under zinc deprivation

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	ESRF BEAMLINE MASSIF-3
Synchrotron site	ESRF
Beamline	MASSIF-3
Temperature [K]	100
Detector technology	PIXEL
Collection date	2018-10-22
Detector	DECTRIS EIGER X 4M
Wavelength(s)	0.9677
Spacegroup name	C 2 2 21
Unit cell lengths	51.926, 65.676, 128.501
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	25.000 - 1.330
R-factor	0.1486
Rwork	0.147
R-free	0.18350
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	1znb
RMSD bond length	0.010
RMSD bond angle	1.112
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]	25.000	1.360
High resolution limit [Å]	1.330	1.330
Rmerge	0.094	1.300
Rpim	0.064	0.671
Number of reflections	49538	2951
<I/σ(I)>	7.8	1
Completeness [%]	97.1
Redundancy	5.3
CC(1/2)	0.998	0.413

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP		277	25-26% PEG3350, ), 0.1 M BIS-TRIS buffer pH 6 and 0.2 M sodium acetate