7BDN

Structure of the Streptomyces coelicolor small laccase - cubic crystal form

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SEALED TUBE
Source details	RIGAKU MICROMAX-003
Temperature [K]	123
Detector technology	CCD
Collection date	2019-04-24
Detector	RIGAKU SATURN 944
Wavelength(s)	1.5419
Spacegroup name	P 21 3
Unit cell lengths	176.981, 176.981, 176.981
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	29.500 - 2.700
R-factor	0.2007
Rwork	0.200
R-free	0.22170
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	3cg8
Data reduction software	XDS
Data scaling software	Aimless (0.7.4)
Phasing software	PHASER (2.8.3)
Refinement software	PHENIX (1.18.2_3874)

Data quality characteristics

	Overall	Inner shell	Outer shell
Low resolution limit [Å]	29.500	29.500	2.790
High resolution limit [Å]	2.700	10.810	2.700
Rmerge	0.166	0.048	0.742
Rmeas	0.179	0.052	0.798
Rpim	0.065	0.020	0.292
Total number of observations	376482	5439	34207
Number of reflections	50726	824	4638
<I/σ(I)>	10.1	22.1	3
Completeness [%]	99.9	95	99.6
Redundancy	7.4	6.6	7.4
CC(1/2)	0.995	0.999	0.899

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	7.5	293	Protein concentration was 20 mg/ml in 20 mM Tris-HCl buffer (pH 7.5). Mother liquor was made up of 40% MPD, 20 mM NH4-OAc and 100 mM HEPES (pH 7.5). The protein was mixed in 2:1 ratio with protein to mother liquor.