6CRM

Crystal Structure of RecQ catalytic core from C. sakazakii bound to an unfolded G-quadruplex

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	APS BEAMLINE 21-ID-F
Synchrotron site	APS
Beamline	21-ID-F
Temperature [K]	100
Detector technology	PIXEL
Collection date	2016-06-25
Detector	DECTRIS EIGER X 9M
Wavelength(s)	1.127231
Spacegroup name	P 21 21 2
Unit cell lengths	78.468, 94.670, 98.906
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	43.833 - 2.193
R-factor	0.206815513409
Rwork	0.205
R-free	0.23982
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	4tmu
RMSD bond length	0.004
RMSD bond angle	0.667
Data reduction software	XDS
Data scaling software	XDS
Phasing software	PHENIX
Refinement software	PHENIX (1.11.1_2575)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	43.833	2.272
High resolution limit [Å]	2.192	2.194
Rmerge	0.151	2.887
Rmeas	0.157	3.018
Rpim	0.044	0.855
Number of reflections	38101	3473
<I/σ(I)>	11.35	0.76
Completeness [%]	99.1	92.63
Redundancy	13	11.3

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	4.9	293	70 mM NaOAc, 10% PEG 4000, 30% glycerol