3NLJ

Structure of neuronal nitric oxide synthase D597N/M336V/Y706A triple mutant heme domain complexed with 6-{{(3'R,4'R)-3'-[2"-(3'''-fluorophenethylamino)ethoxy] pyrrolidin-4'-yl}methyl}-4-methylpyridin-2-amine

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5.8	278	20-24% PEG 3350, 0.1M MES, 0.1-0.14M ammonium acetate, 35uM SDS, 5mM GSH, pH 5.8, VAPOR DIFFUSION, SITTING DROP, temperature 278K

Crystal Properties
Matthews coefficient	Solvent content
2.42	49.2

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 51.802	α = 90
b = 111.098	β = 90
c = 163.871	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	ADSC QUANTUM 315r	mirrors	2009-03-27	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL7-1	1.0	SSRL	BL7-1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym I (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	2.2	50	98.7	0.066	0.066	21.4	3.9		48289		3	40.6

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.2	2.24	92		0.625	0.625	1.9	3.5	2190

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	FOURIER SYNTHESIS	THROUGHOUT	2.2	40.97	45803	2423	98.65	0.20439	0.20103	0.26823	RANDOM	49.495

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]
0.63			0.54		-1.17

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.806
r_dihedral_angle_4_deg	18.058
r_dihedral_angle_3_deg	16.563
r_dihedral_angle_1_deg	6.266
r_scangle_it	2.965
r_scbond_it	2.056
r_angle_refined_deg	1.546
r_mcangle_it	1.19
r_mcbond_it	0.665
r_chiral_restr	0.105

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.806
r_dihedral_angle_4_deg	18.058
r_dihedral_angle_3_deg	16.563
r_dihedral_angle_1_deg	6.266
r_scangle_it	2.965
r_scbond_it	2.056
r_angle_refined_deg	1.546
r_mcangle_it	1.19
r_mcbond_it	0.665
r_chiral_restr	0.105
r_bond_refined_d	0.014
r_gen_planes_refined	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6642
Nucleic Acid Atoms
Solvent Atoms	226
Heterogen Atoms	182

Software

Software
Software Name	Purpose
REFMAC	refinement
CNS	refinement
ADSC	data collection
HKL-2000	data reduction
HKL-2000	data scaling
CNS	phasing

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.