3BZB

Crystal structure of uncharacterized protein CMQ451C from the primitive red alga Cyanidioschyzon merolae

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	APS BEAMLINE 23-ID-D
Synchrotron site	APS
Beamline	23-ID-D
Temperature [K]	100
Detector technology	CCD
Collection date	2007-11-08
Detector	MARMOSAIC 300 mm CCD
Wavelength(s)	0.97927
Spacegroup name	P 31 2 1
Unit cell lengths	103.783, 103.783, 105.385
Unit cell angles	90.00, 90.00, 120.00

Refinement procedure

Resolution	46.554 - 2.790
R-factor	0.212
Rwork	0.209
R-free	0.26100
Structure solution method	SAD
RMSD bond length	0.009
RMSD bond angle	1.191
Data reduction software	DENZO
Data scaling software	SCALEPACK
Phasing software	SHARP
Refinement software	REFMAC (5.2.0019)

Data quality characteristics

	Overall	Inner shell	Outer shell
Low resolution limit [Å]	46.554	46.554	2.900
High resolution limit [Å]	2.790	6.030	2.790
Rmerge	0.126	0.053	0.705
Number of reflections	16619
<I/σ(I)>	11.232		1.487
Completeness [%]	99.4	99.9	94.8
Redundancy	19.1	20.1	10.1

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP		277	Protein solution (10 mg/mL Se-Met protein, 0.050 M Sodium chloride, 0.0003 M TCEP, 0.005 M MES pH 6.0) mixed in a 1:1 ratio with the Well solution (9% PEG 5000, 1.44 M Tetramethylammonium chloride, 0.10 M Triethanolamine pH 8.0 ). Cryoprotected with fomblin, VAPOR DIFFUSION, HANGING DROP, temperature 277K