4BW8

Calmodulin with small bend in central helix

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	MAX II BEAMLINE I911-2
Synchrotron site	MAX II
Beamline	I911-2
Temperature [K]	100
Spacegroup name	P 1
Unit cell lengths	24.380, 53.850, 59.360
Unit cell angles	88.52, 83.02, 86.37

Refinement procedure

Resolution	19.615 - 1.800
R-factor	0.2379
Rwork	0.236
R-free	0.27850
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	1up5
RMSD bond length	0.017
RMSD bond angle	1.628
Data reduction software	XDS
Data scaling software	XSCALE
Phasing software	PHASER
Refinement software	PHENIX ((PHENIX.REFINE))

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	20.000	1.850
High resolution limit [Å]	1.800	1.800
Rmerge	0.060	0.440
Number of reflections	25609
<I/σ(I)>	10.8	1.9
Completeness [%]	92.4	84.5
Redundancy	2.1	1.8

Crystallization Conditions

crystal ID	method	pH	temperature	details
1		4		pH 4