9OQE

X-ray diffraction structure of apo-form CTX-M-14 beta-lactamase

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	ROTATING ANODE
Source details	RIGAKU FR-E+
Temperature [K]	100
Detector technology	IMAGE PLATE
Collection date	2025-05-09
Detector	RIGAKU
Wavelength(s)	1.5418
Spacegroup name	P 1 21 1
Unit cell lengths	45.180, 106.610, 47.710
Unit cell angles	90.00, 102.32, 90.00

Refinement procedure

Resolution	46.610 - 1.500
R-factor	0.1493
Rwork	0.148
R-free	0.18030
Structure solution method	MOLECULAR REPLACEMENT
RMSD bond length	0.006
RMSD bond angle	0.872
Data reduction software	XDS
Data scaling software	XSCALE
Phasing software	PHASER
Refinement software	PHENIX (1.20.1_4487)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	46.610	1.600
High resolution limit [Å]	1.500	1.500
Rmerge	0.112	0.586
Number of reflections	138574	24441
<I/σ(I)>	9.1
Completeness [%]	99.4	99.9
Redundancy	3.34	3.36
CC(1/2)	0.989	0.730

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP	7.9	293	1.4 M potassium phosphate, pH 7.9