8B7C

Tubulin-maytansinoid-12 complex

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	SLS BEAMLINE X06DA
Synchrotron site	SLS
Beamline	X06DA
Temperature [K]	100
Detector technology	PIXEL
Collection date	2021-02-23
Detector	DECTRIS PILATUS 2M-F
Wavelength(s)	1.000029
Spacegroup name	P 21 21 21
Unit cell lengths	104.866, 157.939, 180.570
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	49.570 - 1.900
R-factor	0.184
Rwork	0.183
R-free	0.21150
Structure solution method	FOURIER SYNTHESIS
Starting model (for MR)	5lxt
RMSD bond length	0.002
RMSD bond angle	0.586
Data reduction software	XDS
Data scaling software	XDS
Phasing software	PHENIX
Refinement software	PHENIX (1.17.1_3660)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	49.570	1.968
High resolution limit [Å]	1.900	1.900
Rmerge	0.119	3.954
Rmeas	0.124	4.111
Rpim	0.034	1.118
Number of reflections	235350	23217
<I/σ(I)>	15.92	0.58
Completeness [%]	99.9	99.81
Redundancy	13.5	13.2
CC(1/2)	0.999	0.238

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP	6.5	293	5% PEG 4K, 8% glycerol, 30 mM MgCl2, 30 mM CaCl2, 0.1 M MES/Imidazole, 5 mM L-tyrosine