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Iron in PDB 6ng8: Structure of Human Neuronal Nitric Oxide Synthase R354A/G357D Mutant Heme Domain in Complex with 6-(5-(3-(Dimethylamino)Propyl)-2,3- Difluorophenethyl)-4-Methylpyridin-2-Amine

Enzymatic activity of Structure of Human Neuronal Nitric Oxide Synthase R354A/G357D Mutant Heme Domain in Complex with 6-(5-(3-(Dimethylamino)Propyl)-2,3- Difluorophenethyl)-4-Methylpyridin-2-Amine

All present enzymatic activity of Structure of Human Neuronal Nitric Oxide Synthase R354A/G357D Mutant Heme Domain in Complex with 6-(5-(3-(Dimethylamino)Propyl)-2,3- Difluorophenethyl)-4-Methylpyridin-2-Amine:
1.14.13.39;

Protein crystallography data

The structure of Structure of Human Neuronal Nitric Oxide Synthase R354A/G357D Mutant Heme Domain in Complex with 6-(5-(3-(Dimethylamino)Propyl)-2,3- Difluorophenethyl)-4-Methylpyridin-2-Amine, PDB code: 6ng8 was solved by H.Li, T.L.Poulos, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 38.59 / 1.90
Space group P 21 21 21
Cell size a, b, c (Å), α, β, γ (°) 52.350, 121.770, 164.440, 90.00, 90.00, 90.00
R / Rfree (%) 18.8 / 23.9

Other elements in 6ng8:

The structure of Structure of Human Neuronal Nitric Oxide Synthase R354A/G357D Mutant Heme Domain in Complex with 6-(5-(3-(Dimethylamino)Propyl)-2,3- Difluorophenethyl)-4-Methylpyridin-2-Amine also contains other interesting chemical elements:

Fluorine (F) 4 atoms
Zinc (Zn) 1 atom

Iron Binding Sites:

The binding sites of Iron atom in the Structure of Human Neuronal Nitric Oxide Synthase R354A/G357D Mutant Heme Domain in Complex with 6-(5-(3-(Dimethylamino)Propyl)-2,3- Difluorophenethyl)-4-Methylpyridin-2-Amine (pdb code 6ng8). This binding sites where shown within 5.0 Angstroms radius around Iron atom.
In total 2 binding sites of Iron where determined in the Structure of Human Neuronal Nitric Oxide Synthase R354A/G357D Mutant Heme Domain in Complex with 6-(5-(3-(Dimethylamino)Propyl)-2,3- Difluorophenethyl)-4-Methylpyridin-2-Amine, PDB code: 6ng8:
Jump to Iron binding site number: 1; 2;

Iron binding site 1 out of 2 in 6ng8

Go back to Iron Binding Sites List in 6ng8
Iron binding site 1 out of 2 in the Structure of Human Neuronal Nitric Oxide Synthase R354A/G357D Mutant Heme Domain in Complex with 6-(5-(3-(Dimethylamino)Propyl)-2,3- Difluorophenethyl)-4-Methylpyridin-2-Amine


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 1 of Structure of Human Neuronal Nitric Oxide Synthase R354A/G357D Mutant Heme Domain in Complex with 6-(5-(3-(Dimethylamino)Propyl)-2,3- Difluorophenethyl)-4-Methylpyridin-2-Amine within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Fe801

b:30.8
occ:1.00
 FE A:HEM801 0.0 30.8 1.0
NB A:HEM801 2.0 27.8 1.0
ND A:HEM801 2.0 27.6 1.0
NA A:HEM801 2.1 37.7 1.0
NC A:HEM801 2.1 27.2 1.0
SG A:CYS420 2.4 31.2 1.0
C1B A:HEM801 3.0 35.3 1.0
C4D A:HEM801 3.0 30.0 1.0
C4B A:HEM801 3.1 33.6 1.0
C1A A:HEM801 3.1 33.3 1.0
C1D A:HEM801 3.1 37.7 1.0
C4A A:HEM801 3.1 37.5 1.0
C1C A:HEM801 3.1 22.6 1.0
C4C A:HEM801 3.1 21.1 1.0
CHA A:HEM801 3.4 27.2 1.0
CHB A:HEM801 3.4 37.4 1.0
CHC A:HEM801 3.4 23.2 1.0
CHD A:HEM801 3.4 30.5 1.0
CB A:CYS420 3.5 25.9 1.0
C03 A:KL1803 4.1 27.3 1.0
C04 A:KL1803 4.2 25.6 1.0
CA A:CYS420 4.2 25.2 1.0
C2B A:HEM801 4.2 31.3 1.0
C3B A:HEM801 4.2 36.2 1.0
C3D A:HEM801 4.3 30.1 1.0
C2D A:HEM801 4.3 28.3 1.0
C2A A:HEM801 4.3 35.4 1.0
C3A A:HEM801 4.3 31.3 1.0
C2C A:HEM801 4.3 22.7 1.0
C3C A:HEM801 4.4 20.8 1.0
C07 A:KL1803 4.4 22.9 1.0
NE1 A:TRP414 4.4 29.1 1.0
C05 A:KL1803 4.6 32.8 1.0
C02 A:KL1803 4.6 34.3 1.0
N A:GLY422 4.7 26.4 1.0
C A:CYS420 4.9 27.7 1.0
C06 A:KL1803 5.0 34.6 1.0

Iron binding site 2 out of 2 in 6ng8

Go back to Iron Binding Sites List in 6ng8
Iron binding site 2 out of 2 in the Structure of Human Neuronal Nitric Oxide Synthase R354A/G357D Mutant Heme Domain in Complex with 6-(5-(3-(Dimethylamino)Propyl)-2,3- Difluorophenethyl)-4-Methylpyridin-2-Amine


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 2 of Structure of Human Neuronal Nitric Oxide Synthase R354A/G357D Mutant Heme Domain in Complex with 6-(5-(3-(Dimethylamino)Propyl)-2,3- Difluorophenethyl)-4-Methylpyridin-2-Amine within 5.0Å range:
probe atom residue distance (Å) B Occ
B:Fe802

b:31.8
occ:1.00
 FE B:HEM802 0.0 31.8 1.0
NB B:HEM802 2.0 30.5 1.0
ND B:HEM802 2.1 31.5 1.0
NA B:HEM802 2.1 37.3 1.0
NC B:HEM802 2.1 24.6 1.0
SG B:CYS420 2.4 29.3 1.0
C4B B:HEM802 3.0 32.8 1.0
C1C B:HEM802 3.1 27.3 1.0
C1D B:HEM802 3.1 39.9 1.0
C4D B:HEM802 3.1 30.4 1.0
C1B B:HEM802 3.1 33.7 1.0
C1A B:HEM802 3.1 37.2 1.0
C4A B:HEM802 3.1 39.8 1.0
C4C B:HEM802 3.1 30.2 1.0
CB B:CYS420 3.4 26.1 1.0
CHC B:HEM802 3.4 31.8 1.0
CHD B:HEM802 3.4 38.8 1.0
CHA B:HEM802 3.5 33.1 1.0
CHB B:HEM802 3.5 39.2 1.0
CA B:CYS420 4.1 25.9 1.0
C04 B:KL1804 4.2 31.9 1.0
C03 B:KL1804 4.2 27.2 1.0
C3B B:HEM802 4.3 35.8 1.0
C2B B:HEM802 4.3 37.1 1.0
C2D B:HEM802 4.3 26.1 1.0
C3D B:HEM802 4.3 29.0 1.0
C2C B:HEM802 4.3 37.1 1.0
C2A B:HEM802 4.3 37.5 1.0
C3A B:HEM802 4.3 37.9 1.0
C3C B:HEM802 4.3 28.2 1.0
C07 B:KL1804 4.4 31.1 1.0
NE1 B:TRP414 4.4 31.6 1.0
C05 B:KL1804 4.6 30.4 1.0
C02 B:KL1804 4.7 31.5 1.0
N B:GLY422 4.7 28.1 1.0
C B:CYS420 4.8 24.9 1.0
N B:VAL421 4.9 24.8 1.0

Reference:

H.T.Do, H.Li, G.Chreifi, T.L.Poulos, R.B.Silverman. Optimization of Blood-Brain Barrier Permeability with Potent and Selective Human Neuronal Nitric Oxide Synthase Inhibitors Having A 2-Aminopyridine Scaffold. J. Med. Chem. V. 62 2690 2019.
ISSN: ISSN 1520-4804
PubMed: 30802056
DOI: 10.1021/ACS.JMEDCHEM.8B02032
Page generated: Wed Aug 6 10:20:38 2025

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