6DPJ

Crystal Structure of Bacillus Halodurans Ribonuclease H1 K196A in Complex with an RNA/DNA Hybrid: Reaction in 4 mM Mn2+ and 200 mM K+ for 80 s at 21 C

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	APS BEAMLINE 22-BM
Synchrotron site	APS
Beamline	22-BM
Temperature [K]	100
Detector technology	CCD
Collection date	2015-04-24
Detector	MARMOSAIC 225 mm CCD
Wavelength(s)	1
Spacegroup name	C 1 2 1
Unit cell lengths	81.884, 37.549, 62.400
Unit cell angles	90.00, 97.23, 90.00

Refinement procedure

Resolution	19.409 - 1.550
R-factor	0.1716
Rwork	0.170
R-free	0.21070
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	pdbid 1ZBL
RMSD bond length	0.008
RMSD bond angle	1.025
Data reduction software	HKL-2000
Data scaling software	Aimless (0.5.31)
Phasing software	PHENIX
Refinement software	PHENIX (1.10.1_2155)

Data quality characteristics

	Overall	Inner shell	Outer shell
Low resolution limit [Å]	19.410	19.410	1.580
High resolution limit [Å]	1.550	8.490	1.550
Rmerge	0.072	0.050	0.663
Rmeas	0.101	0.070	0.937
Rpim	0.072	0.050	0.663
Total number of observations	42404
Number of reflections	26181	160	666
<I/σ(I)>	4.4
Completeness [%]	94.8	82.4	49.7
Redundancy	1.6	1.6	1.4
CC(1/2)	0.989	0.985	0.407

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP		294	14% PEG3350, 20% glycerol, 200 mM KI, and 25 mM CaCl2