8HGQ

The apo-flavodoxin dimer from Synechococcus elongatus PCC 7942

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	SSRF BEAMLINE BL19U1
Synchrotron site	SSRF
Beamline	BL19U1
Temperature [K]	100
Detector technology	PIXEL
Collection date	2021-11-09
Detector	DECTRIS PILATUS3 S 6M
Wavelength(s)	0.98
Spacegroup name	P 41 21 2
Unit cell lengths	49.560, 49.560, 161.025
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	27.000 - 2.090
R-factor	0.1941
Rwork	0.192
R-free	0.23940
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	1czn
RMSD bond length	0.006
RMSD bond angle	0.764
Data reduction software	XDS
Data scaling software	XDS
Phasing software	PHASER
Refinement software	REFMAC (5.8)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	50.000	2.200
High resolution limit [Å]	2.090	2.090
Rmerge	0.087	0.483
Rpim	0.022	0.189
Number of reflections	12295	1772
<I/σ(I)>	20	2.9
Completeness [%]	96.6	98.8
Redundancy	16.2	7.6

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP	8	289	0.4 M NaH2PO4/1.6 M K2HPO4; 0.1 M imidazole PH8.0; 0.2 M NaCl