8BJ1

Crystal structure of Medicago truncatula histidinol-phosphate aminotransferase (HISN6) in the open state

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	APS BEAMLINE 22-ID
Synchrotron site	APS
Beamline	22-ID
Temperature [K]	100
Detector technology	PIXEL
Collection date	2018-12-18
Detector	DECTRIS EIGER X 16M
Wavelength(s)	1.000
Spacegroup name	P 1 21 1
Unit cell lengths	66.661, 87.373, 74.235
Unit cell angles	90.00, 95.19, 90.00

Refinement procedure

Resolution	36.970 - 1.570
R-factor	0.1278
Rwork	0.127
R-free	0.16990
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	3euc
Data reduction software	XDS
Data scaling software	XSCALE
Phasing software	PHENIX
Refinement software	PHENIX (1.19.2_4158)

Data quality characteristics

	Overall	Inner shell	Outer shell
Low resolution limit [Å]	36.970	36.970	1.660
High resolution limit [Å]	1.570	4.700	1.570
Rmerge	0.045	0.018	0.667
Rmeas	0.052	0.020	0.777
Total number of observations	452887
Number of reflections	116740	4440	18853
<I/σ(I)>	18.02	62.37	1.86
Completeness [%]	98.6	97.9	98.6
Redundancy	3.879	3.784	3.85
CC(1/2)	0.999	0.999	0.656

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP		292	0.2 M ammonium sulfate; 0.1 M MES pH 6.5; 30 % w/v PEG 5000 MME