1ZQY

DNA POLYMERASE BETA (POL B) (E.C.2.7.7.7), 31-KD DOMAIN; SOAKED IN THE PRESENCE OF MGCL2 (50 MILLIMOLAR)

Experimental procedure

Source type	ROTATING ANODE
Source details	RIGAKU RUH2R
Temperature [K]	298
Detector technology	AREA DETECTOR
Collection date	1996-01-13
Detector	XUONG-HAMLIN MULTIWIRE
Spacegroup name	P 21 21 2
Unit cell lengths	120.560, 63.240, 38.576
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	20.000 - 2.300
R-factor	0.198 *
Structure solution method	DIFFERENCE FOURIER
Starting model (for MR)	1zqu
RMSD bond length	0.024
RMSD bond angle	22.700 *
Data reduction software	SDMS
Data scaling software	SDMS
Phasing software	TNT (V. 5-D)
Refinement software	TNT (5-D)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	20.000	2.400
High resolution limit [Å]	2.300	2.300
Rmerge	0.066 *	0.171 *
Number of reflections	12639
<I/σ(I)>	8.5	2
Completeness [%]	92.0	90
Redundancy	2.9	1.6

Crystallization Conditions

crystal ID	method	pH	temperature	details
1		7.5		THIS ENTRY DESCRIBES THE STRUCTURE THAT RESULTED WHEN A CRYSTAL OF THE C-TERMINAL 31-KD DOMAIN OF RAT DNA POL BETA (SEE ENTRY 1BPB AND REFERENCE 9) HAD BEEN SOAKED IN THE FOLLOWING SOLUTION FOR 24 HOURS: PEG 3350, 16% TRIS-HCL, 100 MILLIMOLAR, PH 7.5 MGCL2, 50 MILLIMOLAR SEE REFERENCE 3 FOR DETAILS CONCERNING EXPERIMENTAL PROCEDURES, RESULTS, AND DISCUSSION FOR THIS STRUCTURE.