5KWV

Crystal Structure of a Pantoate-beta-alanine Ligase from Neisseria gonorrhoeae with bound AMPPNP

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	APS BEAMLINE 21-ID-F
Synchrotron site	APS
Beamline	21-ID-F
Temperature [K]	100
Detector technology	CCD
Collection date	2016-06-22
Detector	MARMOSAIC 300 mm CCD
Wavelength(s)	0.97872
Spacegroup name	P 41 21 2
Unit cell lengths	137.650, 137.650, 73.020
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	43.529 - 2.250
R-factor	0.1853
Rwork	0.183
R-free	0.21910
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	3uk2
RMSD bond length	0.008
RMSD bond angle	0.907
Data reduction software	XDS
Data scaling software	XSCALE
Phasing software	MOLREP
Refinement software	PHENIX

Data quality characteristics

	Overall	Inner shell	Outer shell
Low resolution limit [Å]	50.000		2.310
High resolution limit [Å]	2.250	10.060	2.250
Rmerge	0.091	0.074	0.477
Number of reflections	33816
<I/σ(I)>	15.33	24.49	4.1
Completeness [%]	99.9	93.7	100
Redundancy	9.7
CC(1/2)	0.997	0.996	0.932

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP	8.5	290	NegoA.00097.a.B1.PS37929 at 20.8 mg/ml, incubated with 3 mM MgCl2, 3 mM AMPPNP, protein mixed 1:1 and incubated with an equal volume Morpheus(f12): 12.5% (w/v) PEG-1000, 12.5 % (w/v) PEG-3350, 12.5% (v/v) MPD, 0.1 M bicine/Trizma base, pH = 8.5, 0.02 M each D-glucose, D-mannose, D-galactose, L-fucose, D-xylose, N-acetyl-D-glucosamine