7XGM

Quinolinate Phosphoribosyl Transferase (QAPRTase) from Streptomyces pyridomyceticus NRRL B-2517 in complex with Quinolinic Acid (QA)

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	SSRF BEAMLINE BL18U1
Synchrotron site	SSRF
Beamline	BL18U1
Temperature [K]	193
Detector technology	PIXEL
Collection date	2020-06-18
Detector	DECTRIS PILATUS3 6M
Wavelength(s)	0.97915
Spacegroup name	P 21 21 2
Unit cell lengths	118.742, 149.079, 54.897
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	19.130 - 2.850
R-factor	0.1805
Rwork	0.178
R-free	0.22550
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	1qpo
RMSD bond length	0.008
RMSD bond angle	0.943
Data reduction software	HKL-3000
Data scaling software	HKL-3000
Phasing software	MOLREP
Refinement software	PHENIX (1.19.2_4158)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	19.130	2.980
High resolution limit [Å]	2.850	2.850
Number of reflections	23442	1164
<I/σ(I)>	15
Completeness [%]	99.6
Redundancy	6.4
CC(1/2)	0.990	0.903

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	5	293	0.1M Citric acid, pH 5.0, 1.6M Ammonium sulfate