6AV0

Structure of human neuronal nitric oxide synthase R354A/G357D mutant heme domain in complex with 3-(2-(6-Amino-4-methylpyridin-2-yl)ethyl)-5-(3-(methylamino)propyl)benzonitrile

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	ALS BEAMLINE 8.2.1
Synchrotron site	ALS
Beamline	8.2.1
Temperature [K]	100
Detector technology	CCD
Collection date	2015-10-25
Detector	ADSC QUANTUM 315
Wavelength(s)	1.000
Spacegroup name	P 21 21 21
Unit cell lengths	52.440, 122.061, 164.960
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	50.134 - 1.996
R-factor	0.18
Rwork	0.178
R-free	0.21800
Structure solution method	FOURIER SYNTHESIS
Starting model (for MR)	4uh5
RMSD bond length	0.007
RMSD bond angle	1.146
Data reduction software	iMOSFLM (7.1.0)
Data scaling software	Aimless (0.3.11)
Phasing software	REFMAC (5.8.0049)
Refinement software	PHENIX (1.8.2_1309)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	51.000	2.060
High resolution limit [Å]	1.990	1.990
Rmerge	0.148	1.761
Number of reflections	72772	4199
<I/σ(I)>	5.8	0.9
Completeness [%]	99.6	93.8
Redundancy	5.3	5.1
CC(1/2)	0.989	0.619

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP	7.2	277	8% PEG3350 35mM citric acid 65mM Bis-Tris-Propane 10% glycerol 5mM TCEP