Iron in PDB 7ts3: Structure of Human Neuronal Nitric Oxide Synthase R354A/G357D Mutant Heme Domain in Complex with 6-(3-(3,3-Difluoroazetidin-1-Yl)Prop-1- Yn-1-Yl)-4-Methylpyridin-2-Amine
Enzymatic activity of Structure of Human Neuronal Nitric Oxide Synthase R354A/G357D Mutant Heme Domain in Complex with 6-(3-(3,3-Difluoroazetidin-1-Yl)Prop-1- Yn-1-Yl)-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-(3-(3,3-Difluoroazetidin-1-Yl)Prop-1- Yn-1-Yl)-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-(3-(3,3-Difluoroazetidin-1-Yl)Prop-1- Yn-1-Yl)-4-Methylpyridin-2-Amine, PDB code: 7ts3
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)
|
49.59 /
2.10
|
Space group
|
P 1 21 1
|
Cell size a, b, c (Å), α, β, γ (°)
|
52.009,
163.977,
117.315,
90,
90,
90
|
R / Rfree (%)
|
20.1 /
25.3
|
Other elements in 7ts3:
The structure of Structure of Human Neuronal Nitric Oxide Synthase R354A/G357D Mutant Heme Domain in Complex with 6-(3-(3,3-Difluoroazetidin-1-Yl)Prop-1- Yn-1-Yl)-4-Methylpyridin-2-Amine also contains other interesting chemical elements:
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-(3-(3,3-Difluoroazetidin-1-Yl)Prop-1- Yn-1-Yl)-4-Methylpyridin-2-Amine
(pdb code 7ts3). This binding sites where shown within
5.0 Angstroms radius around Iron atom.
In total 4 binding sites of Iron where determined in the
Structure of Human Neuronal Nitric Oxide Synthase R354A/G357D Mutant Heme Domain in Complex with 6-(3-(3,3-Difluoroazetidin-1-Yl)Prop-1- Yn-1-Yl)-4-Methylpyridin-2-Amine, PDB code: 7ts3:
Jump to Iron binding site number:
1;
2;
3;
4;
Iron binding site 1 out
of 4 in 7ts3
Go back to
Iron Binding Sites List in 7ts3
Iron binding site 1 out
of 4 in the Structure of Human Neuronal Nitric Oxide Synthase R354A/G357D Mutant Heme Domain in Complex with 6-(3-(3,3-Difluoroazetidin-1-Yl)Prop-1- Yn-1-Yl)-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-(3-(3,3-Difluoroazetidin-1-Yl)Prop-1- Yn-1-Yl)-4-Methylpyridin-2-Amine within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Fe801
b:26.7
occ:1.00
|
FE
|
A:HEM801
|
0.0
|
26.7
|
1.0
|
ND
|
A:HEM801
|
1.9
|
24.4
|
1.0
|
NA
|
A:HEM801
|
2.1
|
37.0
|
1.0
|
NB
|
A:HEM801
|
2.1
|
21.8
|
1.0
|
NC
|
A:HEM801
|
2.2
|
23.7
|
1.0
|
SG
|
A:CYS420
|
2.4
|
25.4
|
1.0
|
C4D
|
A:HEM801
|
2.9
|
25.2
|
1.0
|
C1D
|
A:HEM801
|
3.0
|
26.1
|
1.0
|
C1A
|
A:HEM801
|
3.0
|
29.4
|
1.0
|
C1B
|
A:HEM801
|
3.1
|
29.1
|
1.0
|
C4A
|
A:HEM801
|
3.1
|
33.5
|
1.0
|
C4C
|
A:HEM801
|
3.1
|
24.3
|
1.0
|
C4B
|
A:HEM801
|
3.1
|
32.5
|
1.0
|
C1C
|
A:HEM801
|
3.2
|
22.6
|
1.0
|
CB
|
A:CYS420
|
3.4
|
27.2
|
1.0
|
CHA
|
A:HEM801
|
3.4
|
29.6
|
1.0
|
CHB
|
A:HEM801
|
3.4
|
33.3
|
1.0
|
CHD
|
A:HEM801
|
3.4
|
21.6
|
1.0
|
CHC
|
A:HEM801
|
3.6
|
23.3
|
1.0
|
CA
|
A:CYS420
|
4.0
|
25.3
|
1.0
|
C04
|
A:K7U803
|
4.1
|
29.3
|
1.0
|
C3D
|
A:HEM801
|
4.1
|
24.2
|
1.0
|
C03
|
A:K7U803
|
4.2
|
23.2
|
1.0
|
C2D
|
A:HEM801
|
4.2
|
28.9
|
1.0
|
C2A
|
A:HEM801
|
4.3
|
30.8
|
1.0
|
C3A
|
A:HEM801
|
4.3
|
31.4
|
1.0
|
C2B
|
A:HEM801
|
4.3
|
21.9
|
1.0
|
C3B
|
A:HEM801
|
4.3
|
31.4
|
1.0
|
C07
|
A:K7U803
|
4.3
|
31.6
|
1.0
|
C3C
|
A:HEM801
|
4.4
|
23.8
|
1.0
|
C2C
|
A:HEM801
|
4.4
|
28.6
|
1.0
|
NE1
|
A:TRP414
|
4.4
|
27.7
|
1.0
|
C05
|
A:K7U803
|
4.4
|
27.1
|
1.0
|
C02
|
A:K7U803
|
4.6
|
22.6
|
1.0
|
C
|
A:CYS420
|
4.7
|
19.1
|
1.0
|
N
|
A:GLY422
|
4.8
|
32.0
|
1.0
|
N
|
A:VAL421
|
4.8
|
24.8
|
1.0
|
C06
|
A:K7U803
|
4.9
|
34.6
|
1.0
|
N01
|
A:K7U803
|
5.0
|
19.7
|
1.0
|
|
Iron binding site 2 out
of 4 in 7ts3
Go back to
Iron Binding Sites List in 7ts3
Iron binding site 2 out
of 4 in the Structure of Human Neuronal Nitric Oxide Synthase R354A/G357D Mutant Heme Domain in Complex with 6-(3-(3,3-Difluoroazetidin-1-Yl)Prop-1- Yn-1-Yl)-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-(3-(3,3-Difluoroazetidin-1-Yl)Prop-1- Yn-1-Yl)-4-Methylpyridin-2-Amine within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:Fe801
b:25.2
occ:1.00
|
FE
|
B:HEM801
|
0.0
|
25.2
|
1.0
|
ND
|
B:HEM801
|
2.0
|
22.3
|
1.0
|
NB
|
B:HEM801
|
2.0
|
19.9
|
1.0
|
NA
|
B:HEM801
|
2.1
|
30.1
|
1.0
|
NC
|
B:HEM801
|
2.1
|
23.2
|
1.0
|
SG
|
B:CYS420
|
2.4
|
24.1
|
1.0
|
C4D
|
B:HEM801
|
3.0
|
30.4
|
1.0
|
C4B
|
B:HEM801
|
3.0
|
25.0
|
1.0
|
C1B
|
B:HEM801
|
3.0
|
28.2
|
1.0
|
C1D
|
B:HEM801
|
3.0
|
29.0
|
1.0
|
C1A
|
B:HEM801
|
3.1
|
25.4
|
1.0
|
C1C
|
B:HEM801
|
3.1
|
17.2
|
1.0
|
C4A
|
B:HEM801
|
3.1
|
22.9
|
1.0
|
C4C
|
B:HEM801
|
3.1
|
20.3
|
1.0
|
CB
|
B:CYS420
|
3.3
|
24.5
|
1.0
|
CHA
|
B:HEM801
|
3.4
|
26.9
|
1.0
|
CHC
|
B:HEM801
|
3.4
|
23.3
|
1.0
|
CHB
|
B:HEM801
|
3.5
|
20.7
|
1.0
|
CHD
|
B:HEM801
|
3.5
|
19.2
|
1.0
|
C04
|
B:K7U803
|
3.9
|
32.6
|
1.0
|
C03
|
B:K7U803
|
3.9
|
27.2
|
1.0
|
CA
|
B:CYS420
|
4.1
|
20.4
|
1.0
|
C07
|
B:K7U803
|
4.2
|
29.7
|
1.0
|
C3D
|
B:HEM801
|
4.2
|
32.1
|
1.0
|
C2D
|
B:HEM801
|
4.2
|
25.8
|
1.0
|
C3B
|
B:HEM801
|
4.2
|
28.7
|
1.0
|
C2B
|
B:HEM801
|
4.2
|
20.1
|
1.0
|
C2A
|
B:HEM801
|
4.3
|
32.1
|
1.0
|
C3A
|
B:HEM801
|
4.3
|
28.9
|
1.0
|
C2C
|
B:HEM801
|
4.3
|
20.6
|
1.0
|
C3C
|
B:HEM801
|
4.3
|
24.4
|
1.0
|
NE1
|
B:TRP414
|
4.4
|
26.4
|
1.0
|
C05
|
B:K7U803
|
4.4
|
35.1
|
1.0
|
C02
|
B:K7U803
|
4.4
|
25.1
|
1.0
|
N
|
B:GLY422
|
4.8
|
25.8
|
1.0
|
C
|
B:CYS420
|
4.9
|
14.9
|
1.0
|
N01
|
B:K7U803
|
4.9
|
28.7
|
1.0
|
C06
|
B:K7U803
|
4.9
|
42.6
|
1.0
|
N
|
B:VAL421
|
5.0
|
19.4
|
1.0
|
|
Iron binding site 3 out
of 4 in 7ts3
Go back to
Iron Binding Sites List in 7ts3
Iron binding site 3 out
of 4 in the Structure of Human Neuronal Nitric Oxide Synthase R354A/G357D Mutant Heme Domain in Complex with 6-(3-(3,3-Difluoroazetidin-1-Yl)Prop-1- Yn-1-Yl)-4-Methylpyridin-2-Amine
Mono view
Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 3 of Structure of Human Neuronal Nitric Oxide Synthase R354A/G357D Mutant Heme Domain in Complex with 6-(3-(3,3-Difluoroazetidin-1-Yl)Prop-1- Yn-1-Yl)-4-Methylpyridin-2-Amine within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
C:Fe801
b:29.0
occ:1.00
|
FE
|
C:HEM801
|
0.0
|
29.0
|
1.0
|
ND
|
C:HEM801
|
2.0
|
25.8
|
1.0
|
NA
|
C:HEM801
|
2.1
|
35.2
|
1.0
|
NC
|
C:HEM801
|
2.1
|
24.4
|
1.0
|
NB
|
C:HEM801
|
2.1
|
25.6
|
1.0
|
SG
|
C:CYS420
|
2.4
|
27.2
|
1.0
|
C4D
|
C:HEM801
|
3.0
|
28.1
|
1.0
|
C1D
|
C:HEM801
|
3.0
|
29.3
|
1.0
|
C1A
|
C:HEM801
|
3.0
|
28.8
|
1.0
|
C1C
|
C:HEM801
|
3.1
|
20.9
|
1.0
|
C4B
|
C:HEM801
|
3.1
|
31.0
|
1.0
|
C4C
|
C:HEM801
|
3.1
|
27.4
|
1.0
|
C1B
|
C:HEM801
|
3.1
|
32.2
|
1.0
|
C4A
|
C:HEM801
|
3.1
|
33.7
|
1.0
|
CB
|
C:CYS420
|
3.3
|
30.7
|
1.0
|
CHA
|
C:HEM801
|
3.4
|
24.5
|
1.0
|
CHC
|
C:HEM801
|
3.4
|
25.6
|
1.0
|
CHD
|
C:HEM801
|
3.4
|
22.8
|
1.0
|
CHB
|
C:HEM801
|
3.5
|
33.7
|
1.0
|
C03
|
C:K7U803
|
4.1
|
31.0
|
1.0
|
C04
|
C:K7U803
|
4.1
|
34.3
|
1.0
|
CA
|
C:CYS420
|
4.1
|
33.2
|
1.0
|
C3D
|
C:HEM801
|
4.2
|
30.4
|
1.0
|
C2D
|
C:HEM801
|
4.2
|
29.4
|
1.0
|
C2A
|
C:HEM801
|
4.3
|
32.0
|
1.0
|
C2C
|
C:HEM801
|
4.3
|
31.9
|
1.0
|
C3C
|
C:HEM801
|
4.3
|
26.3
|
1.0
|
C3B
|
C:HEM801
|
4.3
|
30.2
|
1.0
|
C3A
|
C:HEM801
|
4.3
|
35.3
|
1.0
|
C2B
|
C:HEM801
|
4.3
|
25.4
|
1.0
|
C07
|
C:K7U803
|
4.3
|
31.2
|
1.0
|
NE1
|
C:TRP414
|
4.4
|
25.4
|
1.0
|
C02
|
C:K7U803
|
4.5
|
28.4
|
1.0
|
C05
|
C:K7U803
|
4.6
|
38.1
|
1.0
|
N
|
C:GLY422
|
4.7
|
31.5
|
1.0
|
C
|
C:CYS420
|
4.9
|
19.8
|
1.0
|
N
|
C:VAL421
|
4.9
|
28.4
|
1.0
|
N01
|
C:K7U803
|
5.0
|
29.4
|
1.0
|
C06
|
C:K7U803
|
5.0
|
40.0
|
1.0
|
|
Iron binding site 4 out
of 4 in 7ts3
Go back to
Iron Binding Sites List in 7ts3
Iron binding site 4 out
of 4 in the Structure of Human Neuronal Nitric Oxide Synthase R354A/G357D Mutant Heme Domain in Complex with 6-(3-(3,3-Difluoroazetidin-1-Yl)Prop-1- Yn-1-Yl)-4-Methylpyridin-2-Amine
Mono view
Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 4 of Structure of Human Neuronal Nitric Oxide Synthase R354A/G357D Mutant Heme Domain in Complex with 6-(3-(3,3-Difluoroazetidin-1-Yl)Prop-1- Yn-1-Yl)-4-Methylpyridin-2-Amine within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
D:Fe801
b:25.2
occ:1.00
|
FE
|
D:HEM801
|
0.0
|
25.2
|
1.0
|
NB
|
D:HEM801
|
2.0
|
22.3
|
1.0
|
ND
|
D:HEM801
|
2.0
|
30.1
|
1.0
|
NA
|
D:HEM801
|
2.1
|
28.5
|
1.0
|
NC
|
D:HEM801
|
2.1
|
24.0
|
1.0
|
SG
|
D:CYS420
|
2.4
|
23.9
|
1.0
|
C4D
|
D:HEM801
|
3.0
|
30.3
|
1.0
|
C4B
|
D:HEM801
|
3.0
|
26.8
|
1.0
|
C1B
|
D:HEM801
|
3.0
|
28.0
|
1.0
|
C1A
|
D:HEM801
|
3.1
|
24.8
|
1.0
|
C1D
|
D:HEM801
|
3.1
|
32.7
|
1.0
|
C4A
|
D:HEM801
|
3.1
|
25.8
|
1.0
|
C1C
|
D:HEM801
|
3.1
|
24.9
|
1.0
|
C4C
|
D:HEM801
|
3.1
|
21.0
|
1.0
|
CB
|
D:CYS420
|
3.3
|
23.5
|
1.0
|
CHA
|
D:HEM801
|
3.4
|
26.6
|
1.0
|
CHC
|
D:HEM801
|
3.4
|
31.4
|
1.0
|
CHB
|
D:HEM801
|
3.4
|
24.8
|
1.0
|
CHD
|
D:HEM801
|
3.5
|
16.8
|
1.0
|
C04
|
D:K7U803
|
4.0
|
34.1
|
1.0
|
C03
|
D:K7U803
|
4.0
|
28.5
|
1.0
|
CA
|
D:CYS420
|
4.1
|
25.2
|
1.0
|
C3D
|
D:HEM801
|
4.2
|
35.1
|
1.0
|
C3B
|
D:HEM801
|
4.3
|
23.6
|
1.0
|
C2B
|
D:HEM801
|
4.3
|
27.9
|
1.0
|
C2D
|
D:HEM801
|
4.3
|
28.6
|
1.0
|
C2A
|
D:HEM801
|
4.3
|
33.0
|
1.0
|
C07
|
D:K7U803
|
4.3
|
31.7
|
1.0
|
C3A
|
D:HEM801
|
4.3
|
32.3
|
1.0
|
NE1
|
D:TRP414
|
4.3
|
20.3
|
1.0
|
C2C
|
D:HEM801
|
4.4
|
23.8
|
1.0
|
C3C
|
D:HEM801
|
4.4
|
28.6
|
1.0
|
C05
|
D:K7U803
|
4.4
|
38.8
|
1.0
|
C02
|
D:K7U803
|
4.5
|
25.5
|
1.0
|
N
|
D:GLY422
|
4.7
|
28.5
|
1.0
|
C
|
D:CYS420
|
4.8
|
17.7
|
1.0
|
C06
|
D:K7U803
|
4.8
|
41.2
|
1.0
|
N01
|
D:K7U803
|
4.8
|
25.7
|
1.0
|
N
|
D:VAL421
|
4.9
|
19.1
|
1.0
|
|
Reference:
D.Vasu,
H.Li,
C.D.Hardy,
T.L.Poulos,
R.B.Silverman.
2-Aminopyridines with A Shortened Amino Sidechain As Potent, Selective, and Highly Permeable Human Neuronal Nitric Oxide Synthase Inhibitors. Bioorg.Med.Chem. V. 69 16878 2022.
ISSN: ESSN 1464-3391
PubMed: 35772285
DOI: 10.1016/J.BMC.2022.116878
Page generated: Fri Aug 9 02:21:27 2024
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