3NLT

Structure of endothelial nitric oxide synthase heme domain complexed with N1-{(3'S,4'S)-4'-[(6"-amino-4"-methylpyridin-2"-yl)methyl]pyrrolidin-3'-yl}- N2-(3'-fluorophenethyl)ethane-1,2-diamine tetrahydrochloride

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	278	10-12% PEG 3350, 0.2M magnesium acetate, 01M sodium cacodylate, 0.005M TCEP-HCl, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 278K

Crystal Properties
Matthews coefficient	Solvent content
2.44	49.68

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 57.91	α = 90
b = 106.905	β = 90
c = 157.024	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	2009-07-16	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL7-1	1.00	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	2.74	50	97.6	0.103	0.103	12.39	3.9		25670		3	58.37

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)
	2.74	2.8	94.4		0.646	0.646	1.91	4	1205

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	2.74	36.85	3	24379	1241	97.32	0.18982	0.1861	0.26239	RANDOM	43.502

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]
-0.03			0.05		-0.02

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.638
r_dihedral_angle_4_deg	19.428
r_dihedral_angle_3_deg	18.357
r_dihedral_angle_1_deg	6.633
r_scangle_it	3.034
r_scbond_it	1.806
r_angle_refined_deg	1.519
r_mcangle_it	1.084
r_mcbond_it	0.555
r_chiral_restr	0.095

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.638
r_dihedral_angle_4_deg	19.428
r_dihedral_angle_3_deg	18.357
r_dihedral_angle_1_deg	6.633
r_scangle_it	3.034
r_scbond_it	1.806
r_angle_refined_deg	1.519
r_mcangle_it	1.084
r_mcbond_it	0.555
r_chiral_restr	0.095
r_bond_refined_d	0.014
r_gen_planes_refined	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6411
Nucleic Acid Atoms
Solvent Atoms	60
Heterogen Atoms	195

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 R01GM133198.