3NLE

Structure of endothelial nitric oxide synthase 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	6.5	278	9-12% PEG 3350, 0.2M magnesium acetate, 0.1M sodium cacodylate, 0.005M TCEP-HCl , pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 278K

Crystal Properties
Matthews coefficient	Solvent content
2.5	50.9

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 58.501	α = 90
b = 107.561	β = 90
c = 158.315	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	2007-07-13	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	1.95	50	98.3	0.056	0.056	20.9	3.6		72238		3	35.3

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)
	1.95	1.98	99.5		0.552	0.552	2	3.6	3573

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	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	1.95	38.41	3	69838	3665	99.2	0.18545	0.18437	0.20624	RANDOM	53.114

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]
0.87			-0.4		-0.47

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.924
r_dihedral_angle_4_deg	17.908
r_dihedral_angle_3_deg	15.152
r_dihedral_angle_1_deg	5.647
r_scangle_it	3.096
r_scbond_it	1.887
r_angle_refined_deg	1.28
r_mcangle_it	1.213
r_mcbond_it	0.639
r_chiral_restr	0.088

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.924
r_dihedral_angle_4_deg	17.908
r_dihedral_angle_3_deg	15.152
r_dihedral_angle_1_deg	5.647
r_scangle_it	3.096
r_scbond_it	1.887
r_angle_refined_deg	1.28
r_mcangle_it	1.213
r_mcbond_it	0.639
r_chiral_restr	0.088
r_bond_refined_d	0.012
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6400
Nucleic Acid Atoms
Solvent Atoms	292
Heterogen Atoms	201

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.