3NLO

Structure of neuronal nitric oxide synthase R349A mutant heme domain in complex with 6-{{(3'S,4'R)-3'-[2"-(3'''-fluorophenethylamino)ethoxy]pyrrolidin-4'-yl}methyl}-4-methylpyridin-2-amine

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	SSRL BEAMLINE BL9-2
Synchrotron site	SSRL
Beamline	BL9-2
Temperature [K]	100
Detector technology	CCD
Collection date	2007-03-24
Detector	MARMOSAIC 325 mm CCD
Wavelength(s)	1.000
Spacegroup name	P 21 21 21
Unit cell lengths	51.410, 112.000, 164.300
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	40.620 - 2.300
R-factor	0.20014
Rwork	0.197
R-free	0.26236
Structure solution method	FOURIER SYNTHESIS
Starting model (for MR)	1om4
RMSD bond length	0.018
RMSD bond angle	1.692
Data reduction software	HKL-2000
Data scaling software	SCALEPACK
Phasing software	CNS
Refinement software	REFMAC (5.5.0109)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	50.000	2.340
High resolution limit [Å]	2.300	2.300
Rmerge	0.070	0.594
Number of reflections	42244
<I/σ(I)>	20.3	1.6
Completeness [%]	97.0	98.2
Redundancy	3.2	3.4

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