6NW7

Crystal structure of TrmD, a tRNA-(N1G37) methyltransferase, from Mycobacterium abscessus in complex with S-Adenosyl-L-homocysteine

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	DIAMOND BEAMLINE I04
Synchrotron site	Diamond
Beamline	I04
Temperature [K]	100
Detector technology	PIXEL
Collection date	2015-10-02
Detector	DECTRIS PILATUS 6M-F
Wavelength(s)	0.9282
Spacegroup name	P 21 21 21
Unit cell lengths	75.334, 78.254, 88.005
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	58.479 - 1.481
R-factor	0.1791
Rwork	0.178
R-free	0.19450
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	6nvr
RMSD bond length	0.008
RMSD bond angle	1.089
Data reduction software	XDS
Data scaling software	Aimless (0.5.15)
Phasing software	PHASER (2.5.7)
Refinement software	PHENIX (1.9_1692)

Data quality characteristics

	Overall	Inner shell	Outer shell
Low resolution limit [Å]	88.000	88.000	1.560
High resolution limit [Å]	1.480	4.680	1.480
Rmerge	0.032	0.022	0.720
Rmeas	0.035	0.023	0.772
Rpim	0.012	0.008	0.275
Total number of observations	672548
Number of reflections	87094	2974	12561
<I/σ(I)>	28.6
Completeness [%]	99.9	99.4	99.9
Redundancy	7.7	7	7.7
CC(1/2)	1.000	0.999	0.826

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP		292	0.08M Sodium cacodylate pH 6.5 -7.0, 1-2 M Ammonium sulphate