3ZDD

Structure of E. coli ExoIX in complex with the palindromic 5ov6 oligonucleotide and potassium

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	DIAMOND BEAMLINE I03
Synchrotron site	Diamond
Beamline	I03
Temperature [K]	100
Detector technology	CCD
Detector	ADSC QUANTUM 315
Spacegroup name	P 21 21 2
Unit cell lengths	66.359, 150.003, 34.228
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	30.340 - 1.500
R-factor	0.22071
Rwork	0.219
R-free	0.25367
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	EXOIX FLAP1 FRAGMENT COMPLEX STRUCTURE
RMSD bond length	0.018
RMSD bond angle	1.624
Data reduction software	MOSFLM
Data scaling software	SCALA
Refinement software	REFMAC (5.6.0117)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	31.150	1.540
High resolution limit [Å]	1.500	1.500
Rmerge	0.080	0.520
Number of reflections	54849
<I/σ(I)>	12.6	2.5
Completeness [%]	98.1	98.5
Redundancy	5.6	4.2

Crystallization Conditions

crystal ID	method	pH	temperature	details
1		7.5		0.1 M HEPES PH 7.5, 10 % ISOPROPANOL, 20% PEG 4000