5NB1

Crystal structures of homooligomers of collagen type IV. alpha4NC1

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	ESRF BEAMLINE ID23-1
Synchrotron site	ESRF
Beamline	ID23-1
Temperature [K]	100
Detector technology	CCD
Collection date	2010-07-26
Detector	RAYONIX MX-225
Wavelength(s)	0.98
Spacegroup name	C 2 2 21
Unit cell lengths	145.580, 167.561, 155.412
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	47.460 - 2.820
R-factor	0.2341
Rwork	0.232
R-free	0.28070
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	1t60
RMSD bond length	0.009
RMSD bond angle	1.333
Data reduction software	XDS
Data scaling software	SCALA (3.3.16)
Phasing software	PHASER
Refinement software	REFMAC (5.6.0117)

Data quality characteristics

	Overall	Inner shell	Outer shell
Low resolution limit [Å]	47.464	8.920	2.970
High resolution limit [Å]	2.820	6.310	2.820
Rmerge		0.059	0.367
Rmeas	0.101	0.065	0.405
Rpim	0.040	0.026	0.166
Total number of observations	258124
Number of reflections	48121
<I/σ(I)>	12.7	11	2.1
Completeness [%]	98.9	96.9	99.8
Redundancy	5.4	5.1	5.3

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP		294	6% PEG3350, 0.2 M sodium acetate and 0.1 M Mes pH 6.5