Iron in PDB 7tsp: Structure of Human Endothelial Nitric Oxide Synthase Heme Domain in Complex with 6-(3-(4,4-Difluoropiperidin-1-Yl)Prop-1-Yn-1-Yl)-4- Methylpyridin-2-Amine
Enzymatic activity of Structure of Human Endothelial Nitric Oxide Synthase Heme Domain in Complex with 6-(3-(4,4-Difluoropiperidin-1-Yl)Prop-1-Yn-1-Yl)-4- Methylpyridin-2-Amine
All present enzymatic activity of Structure of Human Endothelial Nitric Oxide Synthase Heme Domain in Complex with 6-(3-(4,4-Difluoropiperidin-1-Yl)Prop-1-Yn-1-Yl)-4- Methylpyridin-2-Amine:
1.14.13.39;
Protein crystallography data
The structure of Structure of Human Endothelial Nitric Oxide Synthase Heme Domain in Complex with 6-(3-(4,4-Difluoropiperidin-1-Yl)Prop-1-Yn-1-Yl)-4- Methylpyridin-2-Amine, PDB code: 7tsp
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)
|
39.02 /
2.00
|
Space group
|
P 1 21 1
|
Cell size a, b, c (Å), α, β, γ (°)
|
59.471,
152.71,
108.781,
90,
90.62,
90
|
R / Rfree (%)
|
21.5 /
26.7
|
Other elements in 7tsp:
The structure of Structure of Human Endothelial Nitric Oxide Synthase Heme Domain in Complex with 6-(3-(4,4-Difluoropiperidin-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 Endothelial Nitric Oxide Synthase Heme Domain in Complex with 6-(3-(4,4-Difluoropiperidin-1-Yl)Prop-1-Yn-1-Yl)-4- Methylpyridin-2-Amine
(pdb code 7tsp). 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 Endothelial Nitric Oxide Synthase Heme Domain in Complex with 6-(3-(4,4-Difluoropiperidin-1-Yl)Prop-1-Yn-1-Yl)-4- Methylpyridin-2-Amine, PDB code: 7tsp:
Jump to Iron binding site number:
1;
2;
3;
4;
Iron binding site 1 out
of 4 in 7tsp
Go back to
Iron Binding Sites List in 7tsp
Iron binding site 1 out
of 4 in the Structure of Human Endothelial Nitric Oxide Synthase Heme Domain in Complex with 6-(3-(4,4-Difluoropiperidin-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 Endothelial Nitric Oxide Synthase Heme Domain in Complex with 6-(3-(4,4-Difluoropiperidin-1-Yl)Prop-1-Yn-1-Yl)-4- Methylpyridin-2-Amine within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Fe501
b:51.1
occ:1.00
|
FE
|
A:HEM501
|
0.0
|
51.1
|
1.0
|
ND
|
A:HEM501
|
2.0
|
57.3
|
1.0
|
NC
|
A:HEM501
|
2.1
|
64.2
|
1.0
|
NA
|
A:HEM501
|
2.1
|
54.6
|
1.0
|
NB
|
A:HEM501
|
2.1
|
58.5
|
1.0
|
SG
|
A:CYS184
|
2.3
|
43.9
|
1.0
|
C4D
|
A:HEM501
|
3.1
|
62.9
|
1.0
|
C1D
|
A:HEM501
|
3.1
|
65.5
|
1.0
|
C4C
|
A:HEM501
|
3.1
|
67.4
|
1.0
|
C1C
|
A:HEM501
|
3.1
|
62.9
|
1.0
|
C1A
|
A:HEM501
|
3.1
|
53.5
|
1.0
|
C4A
|
A:HEM501
|
3.1
|
54.8
|
1.0
|
C1B
|
A:HEM501
|
3.1
|
62.3
|
1.0
|
C4B
|
A:HEM501
|
3.1
|
60.0
|
1.0
|
CB
|
A:CYS184
|
3.3
|
49.1
|
1.0
|
CHA
|
A:HEM501
|
3.4
|
53.2
|
1.0
|
CHD
|
A:HEM501
|
3.4
|
71.9
|
1.0
|
CHB
|
A:HEM501
|
3.5
|
61.8
|
1.0
|
CHC
|
A:HEM501
|
3.5
|
58.1
|
1.0
|
C03
|
A:K8O503
|
3.8
|
43.8
|
1.0
|
C04
|
A:K8O503
|
3.9
|
50.4
|
1.0
|
C07
|
A:K8O503
|
4.1
|
52.6
|
1.0
|
CA
|
A:CYS184
|
4.1
|
48.7
|
1.0
|
C3D
|
A:HEM501
|
4.3
|
63.3
|
1.0
|
C2D
|
A:HEM501
|
4.3
|
56.1
|
1.0
|
C3C
|
A:HEM501
|
4.3
|
65.5
|
1.0
|
C02
|
A:K8O503
|
4.3
|
45.6
|
1.0
|
C2C
|
A:HEM501
|
4.3
|
66.8
|
1.0
|
C3A
|
A:HEM501
|
4.3
|
54.2
|
1.0
|
C2A
|
A:HEM501
|
4.3
|
54.0
|
1.0
|
C2B
|
A:HEM501
|
4.3
|
61.3
|
1.0
|
C3B
|
A:HEM501
|
4.4
|
60.0
|
1.0
|
C05
|
A:K8O503
|
4.4
|
51.5
|
1.0
|
NE1
|
A:TRP178
|
4.4
|
59.2
|
1.0
|
N01
|
A:K8O503
|
4.8
|
40.8
|
1.0
|
C06
|
A:K8O503
|
4.8
|
45.9
|
1.0
|
N02
|
A:K8O503
|
4.9
|
46.3
|
1.0
|
N
|
A:GLY186
|
4.9
|
48.9
|
1.0
|
C
|
A:CYS184
|
4.9
|
44.8
|
1.0
|
|
Iron binding site 2 out
of 4 in 7tsp
Go back to
Iron Binding Sites List in 7tsp
Iron binding site 2 out
of 4 in the Structure of Human Endothelial Nitric Oxide Synthase Heme Domain in Complex with 6-(3-(4,4-Difluoropiperidin-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 Endothelial Nitric Oxide Synthase Heme Domain in Complex with 6-(3-(4,4-Difluoropiperidin-1-Yl)Prop-1-Yn-1-Yl)-4- Methylpyridin-2-Amine within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:Fe501
b:31.6
occ:1.00
|
FE
|
B:HEM501
|
0.0
|
31.6
|
1.0
|
ND
|
B:HEM501
|
2.1
|
30.2
|
1.0
|
NC
|
B:HEM501
|
2.1
|
32.2
|
1.0
|
NB
|
B:HEM501
|
2.1
|
37.6
|
1.0
|
NA
|
B:HEM501
|
2.1
|
38.8
|
1.0
|
SG
|
B:CYS184
|
2.2
|
26.3
|
1.0
|
C1D
|
B:HEM501
|
3.1
|
38.8
|
1.0
|
C4C
|
B:HEM501
|
3.1
|
34.1
|
1.0
|
C1B
|
B:HEM501
|
3.1
|
40.3
|
1.0
|
C4A
|
B:HEM501
|
3.1
|
36.0
|
1.0
|
C4B
|
B:HEM501
|
3.1
|
37.4
|
1.0
|
C4D
|
B:HEM501
|
3.1
|
39.9
|
1.0
|
C1C
|
B:HEM501
|
3.1
|
36.0
|
1.0
|
C1A
|
B:HEM501
|
3.2
|
36.8
|
1.0
|
CB
|
B:CYS184
|
3.3
|
27.9
|
1.0
|
CHD
|
B:HEM501
|
3.4
|
31.1
|
1.0
|
CHB
|
B:HEM501
|
3.4
|
31.4
|
1.0
|
CHC
|
B:HEM501
|
3.5
|
36.2
|
1.0
|
CHA
|
B:HEM501
|
3.5
|
31.9
|
1.0
|
CA
|
B:CYS184
|
4.0
|
38.7
|
1.0
|
C03
|
B:K8O503
|
4.1
|
29.6
|
1.0
|
C04
|
B:K8O503
|
4.2
|
39.6
|
1.0
|
C2B
|
B:HEM501
|
4.3
|
42.0
|
1.0
|
C2D
|
B:HEM501
|
4.3
|
40.0
|
1.0
|
C3C
|
B:HEM501
|
4.3
|
40.9
|
1.0
|
C3B
|
B:HEM501
|
4.3
|
38.4
|
1.0
|
C3D
|
B:HEM501
|
4.3
|
40.9
|
1.0
|
NE1
|
B:TRP178
|
4.3
|
34.8
|
1.0
|
C3A
|
B:HEM501
|
4.3
|
39.3
|
1.0
|
C2C
|
B:HEM501
|
4.3
|
39.5
|
1.0
|
C2A
|
B:HEM501
|
4.4
|
36.4
|
1.0
|
C07
|
B:K8O503
|
4.5
|
27.1
|
1.0
|
C02
|
B:K8O503
|
4.5
|
32.7
|
1.0
|
C05
|
B:K8O503
|
4.6
|
32.8
|
1.0
|
N
|
B:GLY186
|
4.7
|
36.0
|
1.0
|
C
|
B:CYS184
|
4.8
|
29.3
|
1.0
|
C06
|
B:K8O503
|
5.0
|
41.7
|
1.0
|
N01
|
B:K8O503
|
5.0
|
27.7
|
1.0
|
N
|
B:VAL185
|
5.0
|
23.7
|
1.0
|
|
Iron binding site 3 out
of 4 in 7tsp
Go back to
Iron Binding Sites List in 7tsp
Iron binding site 3 out
of 4 in the Structure of Human Endothelial Nitric Oxide Synthase Heme Domain in Complex with 6-(3-(4,4-Difluoropiperidin-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 Endothelial Nitric Oxide Synthase Heme Domain in Complex with 6-(3-(4,4-Difluoropiperidin-1-Yl)Prop-1-Yn-1-Yl)-4- Methylpyridin-2-Amine within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
C:Fe501
b:45.1
occ:1.00
|
FE
|
C:HEM501
|
0.0
|
45.1
|
1.0
|
ND
|
C:HEM501
|
2.1
|
41.7
|
1.0
|
NB
|
C:HEM501
|
2.1
|
51.4
|
1.0
|
NA
|
C:HEM501
|
2.1
|
47.5
|
1.0
|
NC
|
C:HEM501
|
2.1
|
55.5
|
1.0
|
SG
|
C:CYS184
|
2.3
|
41.4
|
1.0
|
C4D
|
C:HEM501
|
3.1
|
52.2
|
1.0
|
C4B
|
C:HEM501
|
3.1
|
47.7
|
1.0
|
C1C
|
C:HEM501
|
3.1
|
55.6
|
1.0
|
C1A
|
C:HEM501
|
3.1
|
45.7
|
1.0
|
C1B
|
C:HEM501
|
3.1
|
49.6
|
1.0
|
C4A
|
C:HEM501
|
3.1
|
46.8
|
1.0
|
C1D
|
C:HEM501
|
3.1
|
45.6
|
1.0
|
C4C
|
C:HEM501
|
3.2
|
54.9
|
1.0
|
CHC
|
C:HEM501
|
3.4
|
45.0
|
1.0
|
CHA
|
C:HEM501
|
3.4
|
44.8
|
1.0
|
CB
|
C:CYS184
|
3.4
|
43.1
|
1.0
|
CHB
|
C:HEM501
|
3.5
|
51.3
|
1.0
|
CHD
|
C:HEM501
|
3.5
|
47.3
|
1.0
|
C03
|
C:K8O503
|
3.9
|
41.4
|
1.0
|
C04
|
C:K8O503
|
4.0
|
39.4
|
1.0
|
CA
|
C:CYS184
|
4.1
|
45.0
|
1.0
|
C3D
|
C:HEM501
|
4.3
|
48.0
|
1.0
|
C3B
|
C:HEM501
|
4.3
|
49.4
|
1.0
|
C2A
|
C:HEM501
|
4.3
|
47.6
|
1.0
|
C2C
|
C:HEM501
|
4.3
|
62.4
|
1.0
|
C2B
|
C:HEM501
|
4.3
|
45.5
|
1.0
|
C07
|
C:K8O503
|
4.3
|
52.1
|
1.0
|
C3A
|
C:HEM501
|
4.3
|
42.5
|
1.0
|
C02
|
C:K8O503
|
4.3
|
43.1
|
1.0
|
C2D
|
C:HEM501
|
4.3
|
36.4
|
1.0
|
C3C
|
C:HEM501
|
4.4
|
56.9
|
1.0
|
C05
|
C:K8O503
|
4.4
|
46.3
|
1.0
|
NE1
|
C:TRP178
|
4.5
|
49.3
|
1.0
|
N
|
C:GLY186
|
4.7
|
49.6
|
1.0
|
N01
|
C:K8O503
|
4.7
|
42.2
|
1.0
|
C06
|
C:K8O503
|
4.8
|
50.6
|
1.0
|
C
|
C:CYS184
|
4.8
|
34.0
|
1.0
|
N02
|
C:K8O503
|
4.9
|
44.9
|
1.0
|
N
|
C:VAL185
|
4.9
|
33.3
|
1.0
|
|
Iron binding site 4 out
of 4 in 7tsp
Go back to
Iron Binding Sites List in 7tsp
Iron binding site 4 out
of 4 in the Structure of Human Endothelial Nitric Oxide Synthase Heme Domain in Complex with 6-(3-(4,4-Difluoropiperidin-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 Endothelial Nitric Oxide Synthase Heme Domain in Complex with 6-(3-(4,4-Difluoropiperidin-1-Yl)Prop-1-Yn-1-Yl)-4- Methylpyridin-2-Amine within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
D:Fe501
b:30.2
occ:1.00
|
FE
|
D:HEM501
|
0.0
|
30.2
|
1.0
|
ND
|
D:HEM501
|
2.0
|
28.9
|
1.0
|
NA
|
D:HEM501
|
2.0
|
29.9
|
1.0
|
NB
|
D:HEM501
|
2.1
|
35.1
|
1.0
|
NC
|
D:HEM501
|
2.1
|
27.7
|
1.0
|
SG
|
D:CYS184
|
2.2
|
27.2
|
1.0
|
C4A
|
D:HEM501
|
3.0
|
30.6
|
1.0
|
C1D
|
D:HEM501
|
3.0
|
32.5
|
1.0
|
C4D
|
D:HEM501
|
3.1
|
34.9
|
1.0
|
C1A
|
D:HEM501
|
3.1
|
28.1
|
1.0
|
C1B
|
D:HEM501
|
3.1
|
36.7
|
1.0
|
C4C
|
D:HEM501
|
3.1
|
29.1
|
1.0
|
C1C
|
D:HEM501
|
3.2
|
27.7
|
1.0
|
C4B
|
D:HEM501
|
3.2
|
31.7
|
1.0
|
CB
|
D:CYS184
|
3.3
|
35.1
|
1.0
|
CHB
|
D:HEM501
|
3.4
|
31.9
|
1.0
|
CHD
|
D:HEM501
|
3.4
|
26.3
|
1.0
|
CHA
|
D:HEM501
|
3.4
|
29.7
|
1.0
|
CHC
|
D:HEM501
|
3.5
|
33.8
|
1.0
|
C04
|
D:K8O503
|
4.1
|
44.8
|
1.0
|
C03
|
D:K8O503
|
4.1
|
38.3
|
1.0
|
CA
|
D:CYS184
|
4.1
|
27.0
|
1.0
|
C3A
|
D:HEM501
|
4.2
|
39.9
|
1.0
|
C2D
|
D:HEM501
|
4.2
|
39.4
|
1.0
|
C3D
|
D:HEM501
|
4.2
|
37.0
|
1.0
|
C2A
|
D:HEM501
|
4.3
|
35.2
|
1.0
|
C2B
|
D:HEM501
|
4.3
|
38.1
|
1.0
|
C3C
|
D:HEM501
|
4.4
|
35.2
|
1.0
|
C3B
|
D:HEM501
|
4.4
|
39.5
|
1.0
|
C2C
|
D:HEM501
|
4.4
|
29.2
|
1.0
|
C07
|
D:K8O503
|
4.4
|
24.8
|
1.0
|
C05
|
D:K8O503
|
4.5
|
37.7
|
1.0
|
NE1
|
D:TRP178
|
4.5
|
37.5
|
1.0
|
C02
|
D:K8O503
|
4.5
|
34.7
|
1.0
|
N
|
D:GLY186
|
4.7
|
29.1
|
1.0
|
C
|
D:CYS184
|
4.9
|
29.1
|
1.0
|
C06
|
D:K8O503
|
4.9
|
40.7
|
1.0
|
N01
|
D:K8O503
|
4.9
|
25.1
|
1.0
|
N
|
D:VAL185
|
5.0
|
32.3
|
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 02:32:06 2024
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