4FVX | pdb_00004fvx

Structure of rat nNOS heme domain in complex with N(omega)-ethoxy-L-arginine

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1OM4	PDB ENTRY 1OM4

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.8	277	20-22% PEG3350, 0.1M Cacodylate, 140-200mM ammonium acetate, 10% ethylene glycol, 5mM GSH, 35uM SDS, pH 5.8, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.45	49.73

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 52	α = 90
b = 111.28	β = 90
c = 165.12	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	2008-05-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL7-1	0.976	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	37.8	99.6	0.071	0.071	19.7	4		65282		-3	31.8

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	2	2.03	97.8		0.588	0.588	1.7	3.6

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	FOURIER SYNTHESIS	THROUGHOUT	PDB ENTRY 1OM4	2	37.8	61988	3215	99.46	0.18284	0.18085	0.18	0.22117	0.22	RANDOM	47.981

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]
2.47			0.93		-3.41

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.939
r_dihedral_angle_4_deg	17.78
r_dihedral_angle_3_deg	13.42
r_dihedral_angle_1_deg	5.533
r_scangle_it	3.387
r_scbond_it	2.187
r_angle_refined_deg	1.424
r_mcangle_it	1.279
r_mcbond_it	0.691
r_chiral_restr	0.092
r_bond_refined_d	0.013
r_gen_planes_refined	0.007
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6658
Nucleic Acid Atoms
Solvent Atoms	388
Heterogen Atoms	165

Software

Software
Software Name	Purpose
Blu-Ice	data collection
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
REFMAC	phasing