1BPY

HUMAN DNA POLYMERASE BETA COMPLEXED WITH GAPPED DNA AND DDCTP

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	SSRL BEAMLINE BL7-1
Synchrotron site	SSRL
Beamline	BL7-1
Temperature [K]	100
Detector technology	IMAGE PLATE
Collection date	1996-04-02
Detector	MARRESEARCH
Spacegroup name	P 1 21 1
Unit cell lengths	50.543, 79.817, 54.942
Unit cell angles	90.00, 107.11, 90.00

Refinement procedure

Resolution	20.000 - 2.200
R-factor	0.227
Rwork	0.232
R-free	0.33000
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	9icw
RMSD bond length	0.020
RMSD bond angle	3.000
Data reduction software	DENZO
Data scaling software	SCALEPACK
Phasing software	MERLOT
Refinement software	TNT (5D)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	20.000	2.280
High resolution limit [Å]	2.200	2.200
Rmerge	0.086 *
Total number of observations	54630 *
Number of reflections	21036
Completeness [%]	95.0	84.8
Redundancy	2.6

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	unknown *	7.5		used to seeding *

Crystallization Reagents in Literatures

ID	crystal ID	solution	reagent name	concentration (unit)	details
1	1	1	DNA		0.005ml
2	1	2	PEG3350	16.0 (%)
3	1	2	sodium acetate	180 (mM)
4	1	2	HEPES	50 (mM)