3JWS

Structure of neuronal nitric oxide synthase R349A mutant 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	5.8	278	PEG3350, MES, ammonium acetate, SDS, GSH, pH 5.8, VAPOR DIFFUSION, SITTING DROP, temperature 278K

Crystal Properties
Matthews coefficient	Solvent content
2.45	49.89

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 51.942	α = 90
b = 112.189	β = 90
c = 164.474	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 315	mirrors	2006-09-16	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.2	1.00	ALS	5.0.2

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	43.92	98	0.038	0.038	35.5	4.3		69282		-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	97.6		0.45	0.45	3.1	4.3

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	1.95	43.92	65772	3458	97.79	0.18902	0.18727	0.2214	RANDOM	48.379

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]
0.02			-0.01		-0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.542
r_dihedral_angle_4_deg	16.971
r_dihedral_angle_3_deg	14.743
r_dihedral_angle_1_deg	5.652
r_scangle_it	2.922
r_scbond_it	1.852
r_angle_refined_deg	1.367
r_mcangle_it	1.145
r_mcbond_it	0.629
r_chiral_restr	0.09

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.542
r_dihedral_angle_4_deg	16.971
r_dihedral_angle_3_deg	14.743
r_dihedral_angle_1_deg	5.652
r_scangle_it	2.922
r_scbond_it	1.852
r_angle_refined_deg	1.367
r_mcangle_it	1.145
r_mcbond_it	0.629
r_chiral_restr	0.09
r_bond_refined_d	0.012
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6652
Nucleic Acid Atoms
Solvent Atoms	331
Heterogen Atoms	183

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.