Experiment: 5FVV

Structure of human nNOS R354A G357D mutant heme domain in complex with 4-methyl-6-(2-(5-(1-methylpiperidin-4-yl)pyridin-3-yl)ethyl) pyridin-2-amine

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.2		8-9% PEG3350 40 MM CITRIC ACID 60 MM BISTRISPROPANE 10% GLYCEROL 5 MM TCEP, pH 6.2

Crystal Properties
Matthews coefficient	Solvent content
2.74	50.7

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 52.48	α = 90
b = 121.86	β = 90
c = 164.15	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	2015-03-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL7-1		SSRL	BL7-1

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	2.05	50	99.6	0.11	8.6	4.1		61931		-3	22.19

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	2.05	2.18	99.6		1.4	0.8	4

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	OTHER	NONE	2.05	35.785	1.35	45233	2211	67.51	0.1861	0.1829	0.1842	0.2471	0.2475	45.66

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	15.334
f_angle_d	1.185
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	6692
Nucleic Acid Atoms
Solvent Atoms	401
Heterogen Atoms	167

Software

Software
Software Name	Purpose
PHENIX	refinement
XDS	data reduction
Aimless	data scaling
REFMAC	phasing