8BJ2

Crystal structure of Medicago truncatula histidinol-phosphate aminotransferase (HISN6) in the closed 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	56.935, 105.837, 66.487
Unit cell angles	90.00, 108.90, 90.00

Refinement procedure

Resolution	53.860 - 1.400
R-factor	0.1345
Rwork	0.134
R-free	0.16380
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	MtHISN6_open
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]	53.860	53.860	1.480
High resolution limit [Å]	1.400	4.190	1.400
Rmerge	0.050	0.031	0.662
Rmeas	0.058	0.036	0.770
Total number of observations	586491
Number of reflections	145641	5554	22596
<I/σ(I)>	13.89	36.92	1.89
Completeness [%]	99.2	99.3	95.5
Redundancy	4.027	4.119	3.684
CC(1/2)	0.999	0.998	0.732

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP		292	0.2M ammonium acetate; 0.1M BIS_TRIS pH 6.5; 25% w/v polyethylene glycol 3350