7K3O

Crystal structure of the unliganded second bromodomain (BD2) of human TAF1

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	2018-04-10
Detector	DECTRIS EIGER X 16M
Wavelength(s)	1.000
Spacegroup name	P 21 21 21
Unit cell lengths	57.180, 57.420, 124.160
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	38.520 - 1.700
R-factor	0.174
Rwork	0.173
R-free	0.20230
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	7jjg
Data reduction software	XDS
Data scaling software	XSCALE
Phasing software	PHASER
Refinement software	PHENIX (1.17.1_3660)

Data quality characteristics

	Overall	Inner shell	Outer shell
Low resolution limit [Å]	38.520	38.520	1.740
High resolution limit [Å]	1.700	7.600	1.700
Rmerge	0.036	0.018	0.737
Rmeas	0.040	0.020	0.798
Total number of observations	298199
Number of reflections	45208	579	3304
<I/σ(I)>	26.06	65.42	2.91
Completeness [%]	98.7	97	98.5
Redundancy	6.596	5.658	6.725
CC(1/2)	1.000	1.000	0.860

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP		291	0.2 M Potassium sodium tartrate tetrahydrate, 0.1 M Sodium citrate tribasic dihydrate pH 5.6, 2.0 M Ammonium sulfate, 25% v/v Ethylene glycol