6M3D

X-ray crystal structure of tandemly connected engrailed homeodomains (EHD) with R53A mutations and DNA complex

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	PHOTON FACTORY BEAMLINE BL-17A
Synchrotron site	Photon Factory
Beamline	BL-17A
Temperature [K]	100
Detector technology	PIXEL
Collection date	2018-06-18
Detector	DECTRIS EIGER X 16M
Wavelength(s)	0.98
Spacegroup name	P 1 21 1
Unit cell lengths	39.798, 61.437, 39.976
Unit cell angles	90.00, 106.45, 90.00

Refinement procedure

Resolution	38.170 - 1.600
R-factor	0.190614050402
Rwork	0.188
R-free	0.23586
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	2hdd
RMSD bond length	0.007
RMSD bond angle	1.005
Data reduction software	XDS
Data scaling software	Aimless
Phasing software	PHASER
Refinement software	PHENIX (1.10.1_2155)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	38.170	1.630
High resolution limit [Å]	1.600	1.600
Rmerge	0.025	0.252
Rmeas	0.034	0.338
Number of reflections	24423	1183
<I/σ(I)>	15.7	2.2
Completeness [%]	99.9	100
Redundancy	3.4	3.5
CC(1/2)	0.999	0.921

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	5.5	293	8% (w/v) PEG 4000, 0.1 M sodium acetate