3N64

Structure of neuronal nitric oxide synthase D597N mutant heme domain in complex with 6,6'-(2,2'-(5-amino-1,3-phenylene)bis(ethane-2,1-diyl))bis(4-methylpyridin-2-amine)

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	SSRL BEAMLINE BL7-1
Synchrotron site	SSRL
Beamline	BL7-1
Temperature [K]	100
Detector technology	CCD
Collection date	2009-03-28
Detector	ADSC QUANTUM 315
Wavelength(s)	1.000
Spacegroup name	P 21 21 21
Unit cell lengths	51.762, 110.210, 164.163
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	39.080 - 1.950
R-factor	0.18435
Rwork	0.183
R-free	0.21662
Structure solution method	FOURIER SYNTHESIS
Starting model (for MR)	1om4
RMSD bond length	0.013
RMSD bond angle	1.404
Data reduction software	DENZO
Data scaling software	SCALEPACK
Phasing software	CNS
Refinement software	REFMAC (5.5.0089)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	50.000	1.980
High resolution limit [Å]	1.950	1.950
Rmerge	0.065	0.543
Number of reflections	69474
<I/σ(I)>	22.5	2.5
Completeness [%]	99.8	100
Redundancy	4	4

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP	5.8	277	20-24% PEG3350 100mM MES 100-140mM ammonium acetate 5mM GSH, 35uM SDS, pH 5.8, VAPOR DIFFUSION, SITTING DROP, temperature 277K