7KUZ

Dihydrodipicolinate synthase (DHDPS) from C.jejuni, H56N mutant with pyruvate bound in the active site and L-lysine bound at the allosteric site

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	CLSI BEAMLINE 08ID-1
Synchrotron site	CLSI
Beamline	08ID-1
Temperature [K]	100
Detector technology	PIXEL
Collection date	2019-07-25
Detector	DECTRIS PILATUS3 S 6M
Wavelength(s)	0.9795
Spacegroup name	C 2 2 21
Unit cell lengths	86.047, 227.328, 202.278
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	49.570 - 2.250
R-factor	0.1796
Rwork	0.177
R-free	0.21830
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	4ly8
Data reduction software	HKL-3000
Data scaling software	XSCALE
Phasing software	MOLREP
Refinement software	PHENIX (1.17.1_3660)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	49.570	2.330
High resolution limit [Å]	2.250	2.250
Rmerge		0.355
Number of reflections	94079	9313
<I/σ(I)>	7.4
Completeness [%]	99.9	99.9
Redundancy	15
CC(1/2)	0.990

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	MICROBATCH	7.4	288.15	0.3 M Magnesium acetate, 12 % PEG 8000, 0.1 M Sodium acetate (pH 7.4), 60 mM L-lysine