3KTQ

CRYSTAL STRUCTURE OF AN ACTIVE TERNARY COMPLEX OF THE LARGE FRAGMENT OF DNA POLYMERASE I FROM THERMUS AQUATICUS

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	ROTATING ANODE
Source details	RIGAKU RU200
Temperature [K]	100
Spacegroup name	P 31 2 1
Unit cell lengths	108.028, 108.028, 90.167
Unit cell angles	90.00, 90.00, 120.00

Refinement procedure

Resolution	30.000 - 2.300
R-factor	0.218
Rwork	0.218
R-free	0.27500
Structure solution method	MOLECULAR REPLACEMENT
RMSD bond length	0.007
RMSD bond angle	1.400
Data scaling software	SCALEPACK
Refinement software	X-PLOR (3.851)

Data quality characteristics

	Overall
Low resolution limit [Å]	30.000
High resolution limit [Å]	2.300
Rmerge	0.060
Total number of observations	210488 *
Number of reflections	26341
Completeness [%]	96.3
Redundancy	8

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	Vapor diffusion, hanging drop *	7.5 *	20 *	pH 8.0

Crystallization Reagents in Literatures

ID	crystal ID	solution	reagent name	concentration (unit)	details
1	1	reservoir	HEPES	0.1 (M)
2	1	reservoir		20 (mM)
3	1	reservoir	sodium acetate	0.1 (M)
4	1	reservoir	PEG4000	10 (%(w/v))