9DG8

Tetrahydroprotoberberine N-methyltransferase E204A mutant in complex with (S)-reticuline and SAM

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	SSRL BEAMLINE BL12-2
Synchrotron site	SSRL
Beamline	BL12-2
Temperature [K]	100
Detector technology	PIXEL
Collection date	2020-07-03
Detector	DECTRIS PILATUS 6M
Wavelength(s)	0.9795
Spacegroup name	P 32 2 1
Unit cell lengths	104.098, 104.098, 82.196
Unit cell angles	90.00, 90.00, 120.00

Refinement procedure

Resolution	39.523 - 2.200
Rwork	0.166
R-free	0.19630
Structure solution method	MOLECULAR REPLACEMENT
RMSD bond length	0.005
RMSD bond angle	1.400
Data reduction software	XDS
Data scaling software	XSCALE
Phasing software	PHASER
Refinement software	REFMAC (5.8.0430)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	39.523	2.280
High resolution limit [Å]	2.200	2.200
Number of reflections	26423	2598
<I/σ(I)>	13.31	4.23
Completeness [%]	99.8	99.65
Redundancy	6.7	6.5
CC(1/2)	0.999	0.949

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	6.5	293	5% glycerol, 0.1 M Tris-Cl, 0.5 mM SAM, 0.5 mM (S)-reticuline, 15 mM ammonium sulfate, 29% pentaerythritol ethoxylate (15/4 EO/OH)