Experiment: 4UCH

Structure of human nNOS R354A G357D mutant heme domain in complex with 3-(((2-((2-(1H-IMIDAZOL-1-YL)PYRIMIDIN-4-YL)ETHYL)AMINO)METHYL) BENZONITRILE

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	4D1N	PDB ENTRY 4D1N

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.2		9-11% PEG3350, 10% GLYCEROL, 40 MM CITRIC ACID, 60 MM BIS-TRIS-PROPANE, 5 MM TCEP, pH 6.2

Crystal Properties
Matthews coefficient	Solvent content
2.67	53.95

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 52	α = 90
b = 122.38	β = 90
c = 164.44	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	2014-11-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.2.1		ALS	8.2.1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	96.4	0.17	4.7	4.8		52298		-3	39.62

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.2	2.3	86.1		1.5	0.5	4.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	PDB ENTRY 4D1N	2.2	50.025	0.01	52084	4853	96.18	0.197	0.1942	0.1917	0.251	0.2483

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	15.299
f_angle_d	1.13
f_chiral_restr	0.075
f_bond_d	0.007
f_plane_restr	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6693
Nucleic Acid Atoms
Solvent Atoms	345
Heterogen Atoms	167

Software

Software
Software Name	Purpose
PHENIX	refinement
MOSFLM	data reduction
Aimless	data scaling
PHASER	phasing