5KFA

Human DNA polymerase eta-DNA ternary complex: ground state at pH7.0 (K+ MES) with 1 Ca2+ ion

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	CCD
Collection date	2014-07-03
Detector	MARMOSAIC 300 mm CCD
Wavelength(s)	1.0
Spacegroup name	P 61
Unit cell lengths	98.530, 98.530, 81.960
Unit cell angles	90.00, 90.00, 120.00

Refinement procedure

Resolution	19.924 - 1.510
R-factor	0.1751
Rwork	0.173
R-free	0.20270
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	4ecq
Data reduction software	XDS
Data scaling software	XSCALE
Phasing software	MOLREP
Refinement software	REFMAC

Data quality characteristics

	Overall	Inner shell	Outer shell
Low resolution limit [Å]	20.000		1.550
High resolution limit [Å]	1.510	6.750	1.510
Rmerge	0.065	0.037	0.603
Number of reflections	70598
<I/σ(I)>	14.76	39.01	2.28
Completeness [%]	99.7	94.9	99
Redundancy	4.6
CC(1/2)	0.998

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	EVAPORATION	6	298	17% PEG 2000MME, 0.1 M MES