1QPN

Quinolinate Phosphoribosyl Transferase from Mycobacterium Tuberculosis in Complex with NCNN

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	ROTATING ANODE
Source details	RIGAKU RU200
Temperature [K]	291
Detector technology	IMAGE PLATE
Detector	MACSCIENCE
Spacegroup name	P 31
Unit cell lengths	100.383, 100.383, 144.610
Unit cell angles	90.00, 90.00, 120.00

Refinement procedure

Resolution	8.000 - 2.600
R-factor	0.185
Rwork	0.185
R-free	0.26900
Structure solution method	MOLECULAR REPLACEMENT
RMSD bond length	0.014
RMSD bond angle	1.890
Data reduction software	DENZO
Data scaling software	SCALEPACK
Refinement software	X-PLOR (3.1)

Data quality characteristics

	Overall
Low resolution limit [Å]	30.000
High resolution limit [Å]	2.600
Rmerge	0.075 *
Number of reflections	48262
<I/σ(I)>	9.5
Completeness [%]	96.3
Redundancy	2.98

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	Vapor diffusion, hanging drop *	8	16 *	pH 8.00

Crystallization Reagents in Literatures

ID	crystal ID	solution	reagent name	concentration (unit)	details
1	1	reservoir	PEG4000	25-30 (%)
2	1	reservoir	ammonium sulfate	0.2 (M)
3	1	reservoir	Tris-HCl	0.1 (M)