Iron in PDB 4cx7: Structure of Human Inos Heme Domain in Complex with (R)-6-( 3-Amino-2-(5-(2-(6-Amino-4- Methylpyridin-2-Yl)Ethyl) Pyridin-3-Yl)Propyl)-4-Methylpyridin-2-Amine
Enzymatic activity of Structure of Human Inos Heme Domain in Complex with (R)-6-( 3-Amino-2-(5-(2-(6-Amino-4- Methylpyridin-2-Yl)Ethyl) Pyridin-3-Yl)Propyl)-4-Methylpyridin-2-Amine
All present enzymatic activity of Structure of Human Inos Heme Domain in Complex with (R)-6-( 3-Amino-2-(5-(2-(6-Amino-4- Methylpyridin-2-Yl)Ethyl) Pyridin-3-Yl)Propyl)-4-Methylpyridin-2-Amine:
1.14.13.39;
Protein crystallography data
The structure of Structure of Human Inos Heme Domain in Complex with (R)-6-( 3-Amino-2-(5-(2-(6-Amino-4- Methylpyridin-2-Yl)Ethyl) Pyridin-3-Yl)Propyl)-4-Methylpyridin-2-Amine, PDB code: 4cx7
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)
|
146.83 /
3.16
|
Space group
|
P 43 21 2
|
Cell size a, b, c (Å), α, β, γ (°)
|
189.223,
189.223,
232.773,
90.00,
90.00,
90.00
|
R / Rfree (%)
|
17.352 /
21.622
|
Iron Binding Sites:
The binding sites of Iron atom in the Structure of Human Inos Heme Domain in Complex with (R)-6-( 3-Amino-2-(5-(2-(6-Amino-4- Methylpyridin-2-Yl)Ethyl) Pyridin-3-Yl)Propyl)-4-Methylpyridin-2-Amine
(pdb code 4cx7). 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 Inos Heme Domain in Complex with (R)-6-( 3-Amino-2-(5-(2-(6-Amino-4- Methylpyridin-2-Yl)Ethyl) Pyridin-3-Yl)Propyl)-4-Methylpyridin-2-Amine, PDB code: 4cx7:
Jump to Iron binding site number:
1;
2;
3;
4;
Iron binding site 1 out
of 4 in 4cx7
Go back to
Iron Binding Sites List in 4cx7
Iron binding site 1 out
of 4 in the Structure of Human Inos Heme Domain in Complex with (R)-6-( 3-Amino-2-(5-(2-(6-Amino-4- Methylpyridin-2-Yl)Ethyl) Pyridin-3-Yl)Propyl)-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 Inos Heme Domain in Complex with (R)-6-( 3-Amino-2-(5-(2-(6-Amino-4- Methylpyridin-2-Yl)Ethyl) Pyridin-3-Yl)Propyl)-4-Methylpyridin-2-Amine within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Fe550
b:53.3
occ:1.00
|
FE
|
A:HEM550
|
0.0
|
53.3
|
1.0
|
ND
|
A:HEM550
|
1.9
|
49.4
|
1.0
|
NA
|
A:HEM550
|
2.0
|
56.7
|
1.0
|
NC
|
A:HEM550
|
2.0
|
50.5
|
1.0
|
NB
|
A:HEM550
|
2.1
|
50.3
|
1.0
|
SG
|
A:CYS200
|
2.4
|
41.1
|
1.0
|
C1D
|
A:HEM550
|
2.9
|
48.3
|
1.0
|
C4D
|
A:HEM550
|
2.9
|
51.7
|
1.0
|
C1A
|
A:HEM550
|
3.0
|
56.2
|
1.0
|
C4C
|
A:HEM550
|
3.0
|
53.9
|
1.0
|
C4A
|
A:HEM550
|
3.0
|
54.5
|
1.0
|
C1C
|
A:HEM550
|
3.0
|
55.5
|
1.0
|
C4B
|
A:HEM550
|
3.0
|
52.8
|
1.0
|
C1B
|
A:HEM550
|
3.1
|
50.5
|
1.0
|
CHD
|
A:HEM550
|
3.4
|
48.9
|
1.0
|
CB
|
A:CYS200
|
3.4
|
47.5
|
1.0
|
CHA
|
A:HEM550
|
3.4
|
53.1
|
1.0
|
CHC
|
A:HEM550
|
3.4
|
53.5
|
1.0
|
CHB
|
A:HEM550
|
3.5
|
47.9
|
1.0
|
C07
|
A:S71800
|
3.8
|
52.7
|
1.0
|
C03
|
A:S71800
|
3.9
|
52.1
|
1.0
|
C04
|
A:S71800
|
4.0
|
50.7
|
1.0
|
C2D
|
A:HEM550
|
4.2
|
51.4
|
1.0
|
C3D
|
A:HEM550
|
4.2
|
52.5
|
1.0
|
C2A
|
A:HEM550
|
4.2
|
53.0
|
1.0
|
C3C
|
A:HEM550
|
4.2
|
61.5
|
1.0
|
C2C
|
A:HEM550
|
4.2
|
59.6
|
1.0
|
C3A
|
A:HEM550
|
4.2
|
54.1
|
1.0
|
CA
|
A:CYS200
|
4.3
|
48.4
|
1.0
|
C2B
|
A:HEM550
|
4.3
|
52.4
|
1.0
|
C3B
|
A:HEM550
|
4.3
|
55.1
|
1.0
|
NE1
|
A:TRP194
|
4.6
|
48.7
|
1.0
|
C02
|
A:S71800
|
4.7
|
53.7
|
1.0
|
C05
|
A:S71800
|
4.8
|
50.7
|
1.0
|
C
|
A:CYS200
|
5.0
|
48.1
|
1.0
|
N
|
A:GLY202
|
5.0
|
46.1
|
1.0
|
|
Iron binding site 2 out
of 4 in 4cx7
Go back to
Iron Binding Sites List in 4cx7
Iron binding site 2 out
of 4 in the Structure of Human Inos Heme Domain in Complex with (R)-6-( 3-Amino-2-(5-(2-(6-Amino-4- Methylpyridin-2-Yl)Ethyl) Pyridin-3-Yl)Propyl)-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 Inos Heme Domain in Complex with (R)-6-( 3-Amino-2-(5-(2-(6-Amino-4- Methylpyridin-2-Yl)Ethyl) Pyridin-3-Yl)Propyl)-4-Methylpyridin-2-Amine within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:Fe550
b:58.4
occ:1.00
|
FE
|
B:HEM550
|
0.0
|
58.4
|
1.0
|
ND
|
B:HEM550
|
1.9
|
55.2
|
1.0
|
NA
|
B:HEM550
|
2.0
|
64.2
|
1.0
|
NC
|
B:HEM550
|
2.1
|
58.0
|
1.0
|
NB
|
B:HEM550
|
2.1
|
55.4
|
1.0
|
SG
|
B:CYS200
|
2.4
|
42.5
|
1.0
|
C1D
|
B:HEM550
|
2.9
|
55.5
|
1.0
|
C4D
|
B:HEM550
|
2.9
|
55.7
|
1.0
|
C1A
|
B:HEM550
|
3.0
|
66.9
|
1.0
|
C4C
|
B:HEM550
|
3.0
|
58.3
|
1.0
|
C4B
|
B:HEM550
|
3.0
|
58.6
|
1.0
|
C4A
|
B:HEM550
|
3.0
|
59.8
|
1.0
|
C1B
|
B:HEM550
|
3.1
|
57.6
|
1.0
|
C1C
|
B:HEM550
|
3.1
|
61.6
|
1.0
|
CB
|
B:CYS200
|
3.3
|
49.8
|
1.0
|
CHD
|
B:HEM550
|
3.4
|
56.3
|
1.0
|
CHA
|
B:HEM550
|
3.4
|
63.1
|
1.0
|
CHB
|
B:HEM550
|
3.4
|
55.7
|
1.0
|
CHC
|
B:HEM550
|
3.4
|
59.9
|
1.0
|
C03
|
B:S71800
|
3.8
|
64.2
|
1.0
|
C07
|
B:S71800
|
3.9
|
64.3
|
1.0
|
C04
|
B:S71800
|
3.9
|
63.5
|
1.0
|
CA
|
B:CYS200
|
4.1
|
54.5
|
1.0
|
C2D
|
B:HEM550
|
4.2
|
55.6
|
1.0
|
C3D
|
B:HEM550
|
4.2
|
56.1
|
1.0
|
C2A
|
B:HEM550
|
4.2
|
59.1
|
1.0
|
C3A
|
B:HEM550
|
4.2
|
56.3
|
1.0
|
C3C
|
B:HEM550
|
4.2
|
61.5
|
1.0
|
C2C
|
B:HEM550
|
4.3
|
66.4
|
1.0
|
C2B
|
B:HEM550
|
4.3
|
60.7
|
1.0
|
C3B
|
B:HEM550
|
4.3
|
61.3
|
1.0
|
C02
|
B:S71800
|
4.6
|
63.9
|
1.0
|
NE1
|
B:TRP194
|
4.6
|
61.8
|
1.0
|
C05
|
B:S71800
|
4.8
|
53.0
|
1.0
|
N
|
B:GLY202
|
4.9
|
55.1
|
1.0
|
C
|
B:CYS200
|
4.9
|
57.6
|
1.0
|
|
Iron binding site 3 out
of 4 in 4cx7
Go back to
Iron Binding Sites List in 4cx7
Iron binding site 3 out
of 4 in the Structure of Human Inos Heme Domain in Complex with (R)-6-( 3-Amino-2-(5-(2-(6-Amino-4- Methylpyridin-2-Yl)Ethyl) Pyridin-3-Yl)Propyl)-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 Inos Heme Domain in Complex with (R)-6-( 3-Amino-2-(5-(2-(6-Amino-4- Methylpyridin-2-Yl)Ethyl) Pyridin-3-Yl)Propyl)-4-Methylpyridin-2-Amine within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
C:Fe550
b:81.0
occ:1.00
|
FE
|
C:HEM550
|
0.0
|
81.0
|
1.0
|
ND
|
C:HEM550
|
1.9
|
79.3
|
1.0
|
NA
|
C:HEM550
|
2.0
|
93.5
|
1.0
|
NC
|
C:HEM550
|
2.1
|
81.7
|
1.0
|
NB
|
C:HEM550
|
2.1
|
80.6
|
1.0
|
SG
|
C:CYS200
|
2.5
|
76.3
|
1.0
|
C1D
|
C:HEM550
|
2.9
|
79.9
|
1.0
|
C4D
|
C:HEM550
|
2.9
|
81.2
|
1.0
|
C1A
|
C:HEM550
|
3.0
|
88.4
|
1.0
|
C4A
|
C:HEM550
|
3.0
|
94.3
|
1.0
|
C4B
|
C:HEM550
|
3.1
|
82.5
|
1.0
|
C4C
|
C:HEM550
|
3.1
|
89.0
|
1.0
|
C1B
|
C:HEM550
|
3.1
|
83.5
|
1.0
|
C1C
|
C:HEM550
|
3.1
|
87.7
|
1.0
|
CHD
|
C:HEM550
|
3.4
|
85.9
|
1.0
|
CHA
|
C:HEM550
|
3.4
|
84.1
|
1.0
|
CHB
|
C:HEM550
|
3.4
|
89.7
|
1.0
|
CHC
|
C:HEM550
|
3.4
|
88.1
|
1.0
|
CB
|
C:CYS200
|
3.5
|
78.9
|
1.0
|
C07
|
C:S71800
|
3.6
|
77.1
|
1.0
|
C03
|
C:S71800
|
3.8
|
79.5
|
1.0
|
C04
|
C:S71800
|
3.8
|
74.3
|
1.0
|
C2D
|
C:HEM550
|
4.2
|
83.2
|
1.0
|
C3D
|
C:HEM550
|
4.2
|
84.2
|
1.0
|
C2A
|
C:HEM550
|
4.2
|
79.6
|
1.0
|
C3A
|
C:HEM550
|
4.2
|
87.3
|
1.0
|
C3C
|
C:HEM550
|
4.3
|
95.3
|
1.0
|
C2C
|
C:HEM550
|
4.3
|
90.9
|
1.0
|
C2B
|
C:HEM550
|
4.3
|
86.0
|
1.0
|
CA
|
C:CYS200
|
4.3
|
79.6
|
1.0
|
C3B
|
C:HEM550
|
4.3
|
86.7
|
1.0
|
C02
|
C:S71800
|
4.6
|
73.6
|
1.0
|
C05
|
C:S71800
|
4.7
|
69.9
|
1.0
|
NE1
|
C:TRP194
|
4.8
|
0.3
|
1.0
|
|
Iron binding site 4 out
of 4 in 4cx7
Go back to
Iron Binding Sites List in 4cx7
Iron binding site 4 out
of 4 in the Structure of Human Inos Heme Domain in Complex with (R)-6-( 3-Amino-2-(5-(2-(6-Amino-4- Methylpyridin-2-Yl)Ethyl) Pyridin-3-Yl)Propyl)-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 Inos Heme Domain in Complex with (R)-6-( 3-Amino-2-(5-(2-(6-Amino-4- Methylpyridin-2-Yl)Ethyl) Pyridin-3-Yl)Propyl)-4-Methylpyridin-2-Amine within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
D:Fe550
b:56.0
occ:1.00
|
FE
|
D:HEM550
|
0.0
|
56.0
|
1.0
|
ND
|
D:HEM550
|
1.9
|
51.9
|
1.0
|
NA
|
D:HEM550
|
2.0
|
59.4
|
1.0
|
NC
|
D:HEM550
|
2.1
|
53.3
|
1.0
|
NB
|
D:HEM550
|
2.1
|
54.5
|
1.0
|
SG
|
D:CYS200
|
2.3
|
44.1
|
1.0
|
C4D
|
D:HEM550
|
2.9
|
54.2
|
1.0
|
C1D
|
D:HEM550
|
2.9
|
52.0
|
1.0
|
C1A
|
D:HEM550
|
3.0
|
62.3
|
1.0
|
C4A
|
D:HEM550
|
3.0
|
61.8
|
1.0
|
C1C
|
D:HEM550
|
3.0
|
56.4
|
1.0
|
C4B
|
D:HEM550
|
3.1
|
56.4
|
1.0
|
C4C
|
D:HEM550
|
3.1
|
56.8
|
1.0
|
C1B
|
D:HEM550
|
3.1
|
53.3
|
1.0
|
CB
|
D:CYS200
|
3.3
|
47.9
|
1.0
|
CHA
|
D:HEM550
|
3.3
|
59.6
|
1.0
|
CHC
|
D:HEM550
|
3.4
|
58.8
|
1.0
|
CHD
|
D:HEM550
|
3.4
|
51.4
|
1.0
|
CHB
|
D:HEM550
|
3.5
|
54.6
|
1.0
|
C07
|
D:S71800
|
3.6
|
47.9
|
1.0
|
C03
|
D:S71800
|
3.7
|
56.5
|
1.0
|
C04
|
D:S71800
|
3.8
|
50.7
|
1.0
|
CA
|
D:CYS200
|
4.1
|
51.7
|
1.0
|
C2A
|
D:HEM550
|
4.1
|
63.2
|
1.0
|
C3A
|
D:HEM550
|
4.2
|
62.8
|
1.0
|
C2D
|
D:HEM550
|
4.2
|
53.0
|
1.0
|
C3D
|
D:HEM550
|
4.2
|
56.6
|
1.0
|
C2C
|
D:HEM550
|
4.2
|
58.2
|
1.0
|
C3C
|
D:HEM550
|
4.3
|
57.2
|
1.0
|
C2B
|
D:HEM550
|
4.3
|
55.7
|
1.0
|
C3B
|
D:HEM550
|
4.4
|
59.2
|
1.0
|
NE1
|
D:TRP194
|
4.5
|
52.2
|
1.0
|
C02
|
D:S71800
|
4.6
|
55.4
|
1.0
|
C05
|
D:S71800
|
4.6
|
48.4
|
1.0
|
C
|
D:CYS200
|
4.9
|
53.1
|
1.0
|
N
|
D:GLY202
|
4.9
|
48.0
|
1.0
|
|
Reference:
H.Li,
J.Jamal,
S.L.Delker,
C.Plaza,
H.Ji,
Q.Jing,
H.Huang,
S.Kang,
R.B.Silverman,
T.L.Poulos.
Mobility of A Conserved Tyrosine Residue Controls Isoform- Dependent Enzyme-Inhibitor Interactions in Nitric Oxide Synthases. Biochemistry V. 53 5272 2014.
ISSN: ISSN 0006-2960
PubMed: 25089924
DOI: 10.1021/BI500561H
Page generated: Mon Aug 5 00:59:37 2024
|