Iron in PDB 4ejh: Human Cytochrome P450 2A13 in Complex with 4-(Methylnitrosamino)-1-(3- Pyridyl)-1-Butanone (Nnk)
Enzymatic activity of Human Cytochrome P450 2A13 in Complex with 4-(Methylnitrosamino)-1-(3- Pyridyl)-1-Butanone (Nnk)
All present enzymatic activity of Human Cytochrome P450 2A13 in Complex with 4-(Methylnitrosamino)-1-(3- Pyridyl)-1-Butanone (Nnk):
1.14.14.1;
Protein crystallography data
The structure of Human Cytochrome P450 2A13 in Complex with 4-(Methylnitrosamino)-1-(3- Pyridyl)-1-Butanone (Nnk), PDB code: 4ejh
was solved by
N.M.Devore,
E.E.Scott,
with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:
Resolution Low / High (Å)
|
69.77 /
2.35
|
Space group
|
P 1
|
Cell size a, b, c (Å), α, β, γ (°)
|
71.678,
119.269,
153.665,
100.59,
101.86,
93.56
|
R / Rfree (%)
|
21.4 /
27.3
|
Iron Binding Sites:
The binding sites of Iron atom in the Human Cytochrome P450 2A13 in Complex with 4-(Methylnitrosamino)-1-(3- Pyridyl)-1-Butanone (Nnk)
(pdb code 4ejh). This binding sites where shown within
5.0 Angstroms radius around Iron atom.
In total 8 binding sites of Iron where determined in the
Human Cytochrome P450 2A13 in Complex with 4-(Methylnitrosamino)-1-(3- Pyridyl)-1-Butanone (Nnk), PDB code: 4ejh:
Jump to Iron binding site number:
1;
2;
3;
4;
5;
6;
7;
8;
Iron binding site 1 out
of 8 in 4ejh
Go back to
Iron Binding Sites List in 4ejh
Iron binding site 1 out
of 8 in the Human Cytochrome P450 2A13 in Complex with 4-(Methylnitrosamino)-1-(3- Pyridyl)-1-Butanone (Nnk)
Mono view
Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 1 of Human Cytochrome P450 2A13 in Complex with 4-(Methylnitrosamino)-1-(3- Pyridyl)-1-Butanone (Nnk) within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Fe501
b:29.3
occ:1.00
|
FE
|
A:HEM501
|
0.0
|
29.3
|
1.0
|
NA
|
A:HEM501
|
2.0
|
30.3
|
1.0
|
NB
|
A:HEM501
|
2.0
|
28.6
|
1.0
|
NC
|
A:HEM501
|
2.1
|
28.7
|
1.0
|
ND
|
A:HEM501
|
2.1
|
28.0
|
1.0
|
SG
|
A:CYS439
|
2.3
|
29.8
|
1.0
|
O2
|
A:0QA502
|
2.5
|
58.9
|
1.0
|
N3
|
A:0QA502
|
2.8
|
58.8
|
1.0
|
C4A
|
A:HEM501
|
2.9
|
27.2
|
1.0
|
C1B
|
A:HEM501
|
3.0
|
26.1
|
1.0
|
C4C
|
A:HEM501
|
3.0
|
27.4
|
1.0
|
C1D
|
A:HEM501
|
3.1
|
24.3
|
1.0
|
C4B
|
A:HEM501
|
3.1
|
27.4
|
1.0
|
C1A
|
A:HEM501
|
3.1
|
28.1
|
1.0
|
C1C
|
A:HEM501
|
3.1
|
29.8
|
1.0
|
C4D
|
A:HEM501
|
3.1
|
27.7
|
1.0
|
CHB
|
A:HEM501
|
3.3
|
27.1
|
1.0
|
CHD
|
A:HEM501
|
3.4
|
23.3
|
1.0
|
CB
|
A:CYS439
|
3.4
|
30.9
|
1.0
|
CHC
|
A:HEM501
|
3.5
|
28.1
|
1.0
|
CHA
|
A:HEM501
|
3.5
|
28.1
|
1.0
|
C3A
|
A:HEM501
|
4.2
|
29.0
|
1.0
|
N2
|
A:0QA502
|
4.2
|
58.7
|
1.0
|
C2A
|
A:HEM501
|
4.2
|
26.1
|
1.0
|
C2B
|
A:HEM501
|
4.3
|
26.1
|
1.0
|
C3C
|
A:HEM501
|
4.3
|
30.9
|
1.0
|
C3B
|
A:HEM501
|
4.3
|
25.7
|
1.0
|
C2C
|
A:HEM501
|
4.3
|
30.4
|
1.0
|
CA
|
A:CYS439
|
4.3
|
29.6
|
1.0
|
C2D
|
A:HEM501
|
4.3
|
31.0
|
1.0
|
C3D
|
A:HEM501
|
4.4
|
26.6
|
1.0
|
C9
|
A:0QA502
|
4.6
|
57.6
|
1.0
|
CB
|
A:ALA301
|
4.7
|
28.5
|
1.0
|
N
|
A:GLY441
|
4.9
|
26.1
|
1.0
|
|
Iron binding site 2 out
of 8 in 4ejh
Go back to
Iron Binding Sites List in 4ejh
Iron binding site 2 out
of 8 in the Human Cytochrome P450 2A13 in Complex with 4-(Methylnitrosamino)-1-(3- Pyridyl)-1-Butanone (Nnk)
Mono view
Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 2 of Human Cytochrome P450 2A13 in Complex with 4-(Methylnitrosamino)-1-(3- Pyridyl)-1-Butanone (Nnk) within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:Fe501
b:26.2
occ:1.00
|
FE
|
B:HEM501
|
0.0
|
26.2
|
1.0
|
NB
|
B:HEM501
|
1.9
|
28.3
|
1.0
|
NC
|
B:HEM501
|
2.0
|
29.1
|
1.0
|
NA
|
B:HEM501
|
2.0
|
28.6
|
1.0
|
ND
|
B:HEM501
|
2.1
|
25.9
|
1.0
|
SG
|
B:CYS439
|
2.3
|
25.6
|
1.0
|
C4B
|
B:HEM501
|
2.9
|
22.9
|
1.0
|
C1C
|
B:HEM501
|
2.9
|
28.7
|
1.0
|
C1B
|
B:HEM501
|
3.0
|
27.6
|
1.0
|
N3
|
B:0QA502
|
3.0
|
44.3
|
1.0
|
C1A
|
B:HEM501
|
3.0
|
24.7
|
1.0
|
C4C
|
B:HEM501
|
3.0
|
27.5
|
1.0
|
C4D
|
B:HEM501
|
3.0
|
24.8
|
1.0
|
C4A
|
B:HEM501
|
3.0
|
27.1
|
1.0
|
C1D
|
B:HEM501
|
3.1
|
22.6
|
1.0
|
O2
|
B:0QA502
|
3.1
|
46.8
|
1.0
|
CHC
|
B:HEM501
|
3.3
|
25.1
|
1.0
|
CHA
|
B:HEM501
|
3.3
|
22.9
|
1.0
|
CB
|
B:CYS439
|
3.4
|
26.7
|
1.0
|
CHB
|
B:HEM501
|
3.4
|
29.7
|
1.0
|
CHD
|
B:HEM501
|
3.4
|
23.6
|
1.0
|
C3B
|
B:HEM501
|
4.2
|
24.5
|
1.0
|
C2B
|
B:HEM501
|
4.2
|
25.5
|
1.0
|
C2C
|
B:HEM501
|
4.2
|
29.4
|
1.0
|
C3C
|
B:HEM501
|
4.2
|
28.0
|
1.0
|
C2A
|
B:HEM501
|
4.3
|
25.9
|
1.0
|
C3A
|
B:HEM501
|
4.3
|
25.1
|
1.0
|
N2
|
B:0QA502
|
4.3
|
45.8
|
1.0
|
C3D
|
B:HEM501
|
4.3
|
23.8
|
1.0
|
CA
|
B:CYS439
|
4.3
|
26.2
|
1.0
|
C2D
|
B:HEM501
|
4.4
|
23.3
|
1.0
|
C9
|
B:0QA502
|
4.6
|
46.1
|
1.0
|
CB
|
B:ALA301
|
4.7
|
31.2
|
1.0
|
|
Iron binding site 3 out
of 8 in 4ejh
Go back to
Iron Binding Sites List in 4ejh
Iron binding site 3 out
of 8 in the Human Cytochrome P450 2A13 in Complex with 4-(Methylnitrosamino)-1-(3- Pyridyl)-1-Butanone (Nnk)
Mono view
Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 3 of Human Cytochrome P450 2A13 in Complex with 4-(Methylnitrosamino)-1-(3- Pyridyl)-1-Butanone (Nnk) within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
C:Fe501
b:25.1
occ:1.00
|
FE
|
C:HEM501
|
0.0
|
25.1
|
1.0
|
NA
|
C:HEM501
|
2.0
|
25.1
|
1.0
|
NC
|
C:HEM501
|
2.0
|
27.6
|
1.0
|
NB
|
C:HEM501
|
2.1
|
24.8
|
1.0
|
C10
|
C:0QA502
|
2.1
|
48.0
|
1.0
|
ND
|
C:HEM501
|
2.1
|
28.8
|
1.0
|
SG
|
C:CYS439
|
2.3
|
26.5
|
1.0
|
C4A
|
C:HEM501
|
3.0
|
21.4
|
1.0
|
C4C
|
C:HEM501
|
3.0
|
24.0
|
1.0
|
C1A
|
C:HEM501
|
3.0
|
24.4
|
1.0
|
C1C
|
C:HEM501
|
3.0
|
25.9
|
1.0
|
C1B
|
C:HEM501
|
3.1
|
23.0
|
1.0
|
C4B
|
C:HEM501
|
3.1
|
23.8
|
1.0
|
C1D
|
C:HEM501
|
3.1
|
22.9
|
1.0
|
C4D
|
C:HEM501
|
3.1
|
23.0
|
1.0
|
CHD
|
C:HEM501
|
3.4
|
20.2
|
1.0
|
CHB
|
C:HEM501
|
3.4
|
22.0
|
1.0
|
CHC
|
C:HEM501
|
3.4
|
25.5
|
1.0
|
CHA
|
C:HEM501
|
3.4
|
23.2
|
1.0
|
O2
|
C:0QA502
|
3.5
|
67.1
|
1.0
|
CB
|
C:CYS439
|
3.5
|
26.5
|
1.0
|
N2
|
C:0QA502
|
3.6
|
53.4
|
1.0
|
N3
|
C:0QA502
|
4.1
|
58.2
|
1.0
|
C3C
|
C:HEM501
|
4.2
|
25.7
|
1.0
|
C3A
|
C:HEM501
|
4.2
|
22.4
|
1.0
|
C2A
|
C:HEM501
|
4.2
|
23.5
|
1.0
|
C2C
|
C:HEM501
|
4.2
|
23.6
|
1.0
|
C2B
|
C:HEM501
|
4.3
|
21.3
|
1.0
|
C3B
|
C:HEM501
|
4.3
|
23.6
|
1.0
|
C2D
|
C:HEM501
|
4.3
|
24.9
|
1.0
|
C3D
|
C:HEM501
|
4.4
|
23.6
|
1.0
|
C9
|
C:0QA502
|
4.4
|
54.1
|
1.0
|
CA
|
C:CYS439
|
4.4
|
27.1
|
1.0
|
CB
|
C:ALA301
|
4.7
|
27.8
|
1.0
|
N
|
C:GLY441
|
5.0
|
25.6
|
1.0
|
|
Iron binding site 4 out
of 8 in 4ejh
Go back to
Iron Binding Sites List in 4ejh
Iron binding site 4 out
of 8 in the Human Cytochrome P450 2A13 in Complex with 4-(Methylnitrosamino)-1-(3- Pyridyl)-1-Butanone (Nnk)
Mono view
Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 4 of Human Cytochrome P450 2A13 in Complex with 4-(Methylnitrosamino)-1-(3- Pyridyl)-1-Butanone (Nnk) within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
D:Fe501
b:27.0
occ:1.00
|
FE
|
D:HEM501
|
0.0
|
27.0
|
1.0
|
NA
|
D:HEM501
|
2.0
|
27.5
|
1.0
|
NB
|
D:HEM501
|
2.0
|
29.0
|
1.0
|
NC
|
D:HEM501
|
2.1
|
30.8
|
1.0
|
ND
|
D:HEM501
|
2.1
|
25.2
|
1.0
|
C10
|
D:0QA502
|
2.2
|
48.0
|
1.0
|
SG
|
D:CYS439
|
2.2
|
24.6
|
1.0
|
C1A
|
D:HEM501
|
3.0
|
26.1
|
1.0
|
C4B
|
D:HEM501
|
3.0
|
27.4
|
1.0
|
C4A
|
D:HEM501
|
3.0
|
25.5
|
1.0
|
C4D
|
D:HEM501
|
3.1
|
25.5
|
1.0
|
C1C
|
D:HEM501
|
3.1
|
30.1
|
1.0
|
C1D
|
D:HEM501
|
3.1
|
22.3
|
1.0
|
C4C
|
D:HEM501
|
3.1
|
28.9
|
1.0
|
C1B
|
D:HEM501
|
3.1
|
26.4
|
1.0
|
CB
|
D:CYS439
|
3.3
|
26.6
|
1.0
|
CHA
|
D:HEM501
|
3.3
|
24.9
|
1.0
|
CHC
|
D:HEM501
|
3.4
|
27.9
|
1.0
|
CHD
|
D:HEM501
|
3.4
|
27.7
|
1.0
|
CHB
|
D:HEM501
|
3.4
|
23.6
|
1.0
|
O2
|
D:0QA502
|
3.6
|
67.1
|
1.0
|
N2
|
D:0QA502
|
3.7
|
53.4
|
1.0
|
N3
|
D:0QA502
|
4.2
|
58.2
|
1.0
|
C2A
|
D:HEM501
|
4.2
|
24.2
|
1.0
|
C3A
|
D:HEM501
|
4.2
|
26.2
|
1.0
|
CA
|
D:CYS439
|
4.2
|
26.9
|
1.0
|
C3B
|
D:HEM501
|
4.3
|
28.1
|
1.0
|
C3C
|
D:HEM501
|
4.3
|
28.1
|
1.0
|
C2C
|
D:HEM501
|
4.3
|
28.3
|
1.0
|
C2B
|
D:HEM501
|
4.3
|
26.7
|
1.0
|
C2D
|
D:HEM501
|
4.3
|
27.4
|
1.0
|
C3D
|
D:HEM501
|
4.3
|
21.1
|
1.0
|
C9
|
D:0QA502
|
4.5
|
54.1
|
1.0
|
CB
|
D:ALA301
|
4.7
|
27.9
|
1.0
|
|
Iron binding site 5 out
of 8 in 4ejh
Go back to
Iron Binding Sites List in 4ejh
Iron binding site 5 out
of 8 in the Human Cytochrome P450 2A13 in Complex with 4-(Methylnitrosamino)-1-(3- Pyridyl)-1-Butanone (Nnk)
Mono view
Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 5 of Human Cytochrome P450 2A13 in Complex with 4-(Methylnitrosamino)-1-(3- Pyridyl)-1-Butanone (Nnk) within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
E:Fe501
b:35.7
occ:1.00
|
FE
|
E:HEM501
|
0.0
|
35.7
|
1.0
|
NC
|
E:HEM501
|
2.0
|
36.5
|
1.0
|
NA
|
E:HEM501
|
2.0
|
35.2
|
1.0
|
ND
|
E:HEM501
|
2.0
|
34.6
|
1.0
|
NB
|
E:HEM501
|
2.1
|
34.4
|
1.0
|
O2
|
E:0QA502
|
2.1
|
71.8
|
1.0
|
SG
|
E:CYS439
|
2.3
|
35.4
|
1.0
|
C1C
|
E:HEM501
|
3.0
|
36.9
|
1.0
|
C4B
|
E:HEM501
|
3.0
|
37.1
|
1.0
|
C1A
|
E:HEM501
|
3.0
|
36.5
|
1.0
|
C4D
|
E:HEM501
|
3.0
|
35.5
|
1.0
|
C1D
|
E:HEM501
|
3.0
|
34.4
|
1.0
|
C4C
|
E:HEM501
|
3.1
|
36.0
|
1.0
|
C4A
|
E:HEM501
|
3.1
|
34.8
|
1.0
|
C1B
|
E:HEM501
|
3.1
|
34.6
|
1.0
|
N3
|
E:0QA502
|
3.3
|
72.9
|
1.0
|
CHC
|
E:HEM501
|
3.3
|
37.9
|
1.0
|
CHA
|
E:HEM501
|
3.4
|
35.2
|
1.0
|
CHD
|
E:HEM501
|
3.4
|
35.0
|
1.0
|
CB
|
E:CYS439
|
3.4
|
38.0
|
1.0
|
CHB
|
E:HEM501
|
3.5
|
34.8
|
1.0
|
C2C
|
E:HEM501
|
4.2
|
37.2
|
1.0
|
N2
|
E:0QA502
|
4.2
|
74.7
|
1.0
|
C3C
|
E:HEM501
|
4.3
|
37.0
|
1.0
|
C2A
|
E:HEM501
|
4.3
|
35.2
|
1.0
|
C3B
|
E:HEM501
|
4.3
|
39.4
|
1.0
|
C2D
|
E:HEM501
|
4.3
|
37.4
|
1.0
|
C3A
|
E:HEM501
|
4.3
|
34.9
|
1.0
|
C3D
|
E:HEM501
|
4.3
|
37.2
|
1.0
|
C2B
|
E:HEM501
|
4.3
|
37.4
|
1.0
|
CA
|
E:CYS439
|
4.4
|
38.3
|
1.0
|
CB
|
E:ALA301
|
4.7
|
42.0
|
1.0
|
CA
|
E:GLY441
|
5.0
|
38.0
|
1.0
|
|
Iron binding site 6 out
of 8 in 4ejh
Go back to
Iron Binding Sites List in 4ejh
Iron binding site 6 out
of 8 in the Human Cytochrome P450 2A13 in Complex with 4-(Methylnitrosamino)-1-(3- Pyridyl)-1-Butanone (Nnk)
Mono view
Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 6 of Human Cytochrome P450 2A13 in Complex with 4-(Methylnitrosamino)-1-(3- Pyridyl)-1-Butanone (Nnk) within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
F:Fe501
b:51.3
occ:1.00
|
FE
|
F:HEM501
|
0.0
|
51.3
|
1.0
|
NC
|
F:HEM501
|
2.0
|
53.5
|
1.0
|
NA
|
F:HEM501
|
2.0
|
48.3
|
1.0
|
NB
|
F:HEM501
|
2.1
|
50.0
|
1.0
|
ND
|
F:HEM501
|
2.1
|
50.0
|
1.0
|
O2
|
F:0QA502
|
2.2
|
86.8
|
1.0
|
SG
|
F:CYS439
|
2.3
|
50.2
|
1.0
|
C4C
|
F:HEM501
|
3.0
|
54.9
|
1.0
|
C4A
|
F:HEM501
|
3.0
|
47.4
|
1.0
|
C10
|
F:0QA502
|
3.0
|
85.8
|
1.0
|
C1A
|
F:HEM501
|
3.0
|
49.0
|
1.0
|
C1C
|
F:HEM501
|
3.1
|
52.9
|
1.0
|
C1B
|
F:HEM501
|
3.1
|
48.8
|
1.0
|
C1D
|
F:HEM501
|
3.1
|
51.5
|
1.0
|
C4B
|
F:HEM501
|
3.1
|
50.8
|
1.0
|
C4D
|
F:HEM501
|
3.1
|
49.6
|
1.0
|
N3
|
F:0QA502
|
3.3
|
87.2
|
1.0
|
CHD
|
F:HEM501
|
3.3
|
52.1
|
1.0
|
CHB
|
F:HEM501
|
3.4
|
50.0
|
1.0
|
CB
|
F:CYS439
|
3.4
|
50.6
|
1.0
|
CHA
|
F:HEM501
|
3.4
|
50.7
|
1.0
|
CHC
|
F:HEM501
|
3.5
|
51.8
|
1.0
|
N2
|
F:0QA502
|
3.8
|
86.3
|
1.0
|
C3C
|
F:HEM501
|
4.2
|
55.7
|
1.0
|
C3A
|
F:HEM501
|
4.2
|
46.9
|
1.0
|
C2C
|
F:HEM501
|
4.2
|
53.9
|
1.0
|
C2A
|
F:HEM501
|
4.3
|
47.9
|
1.0
|
C2B
|
F:HEM501
|
4.3
|
49.1
|
1.0
|
C3B
|
F:HEM501
|
4.3
|
49.4
|
1.0
|
CA
|
F:CYS439
|
4.3
|
50.8
|
1.0
|
C2D
|
F:HEM501
|
4.4
|
50.7
|
1.0
|
C3D
|
F:HEM501
|
4.4
|
49.0
|
1.0
|
C9
|
F:0QA502
|
4.7
|
85.5
|
1.0
|
CB
|
F:ALA301
|
4.9
|
55.5
|
1.0
|
C
|
F:CYS439
|
5.0
|
51.2
|
1.0
|
|
Iron binding site 7 out
of 8 in 4ejh
Go back to
Iron Binding Sites List in 4ejh
Iron binding site 7 out
of 8 in the Human Cytochrome P450 2A13 in Complex with 4-(Methylnitrosamino)-1-(3- Pyridyl)-1-Butanone (Nnk)
Mono view
Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 7 of Human Cytochrome P450 2A13 in Complex with 4-(Methylnitrosamino)-1-(3- Pyridyl)-1-Butanone (Nnk) within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
G:Fe501
b:38.6
occ:1.00
|
FE
|
G:HEM501
|
0.0
|
38.6
|
1.0
|
NC
|
G:HEM501
|
1.9
|
37.7
|
1.0
|
NA
|
G:HEM501
|
2.0
|
37.4
|
1.0
|
ND
|
G:HEM501
|
2.1
|
36.7
|
1.0
|
NB
|
G:HEM501
|
2.2
|
37.6
|
1.0
|
SG
|
G:CYS439
|
2.4
|
37.5
|
1.0
|
C1C
|
G:HEM501
|
3.0
|
40.2
|
1.0
|
C4C
|
G:HEM501
|
3.0
|
41.2
|
1.0
|
C4A
|
G:HEM501
|
3.1
|
39.4
|
1.0
|
C1A
|
G:HEM501
|
3.1
|
38.0
|
1.0
|
C1D
|
G:HEM501
|
3.1
|
37.6
|
1.0
|
C4D
|
G:HEM501
|
3.1
|
36.4
|
1.0
|
C4B
|
G:HEM501
|
3.1
|
38.5
|
1.0
|
C1B
|
G:HEM501
|
3.2
|
37.2
|
1.0
|
CB
|
G:CYS439
|
3.3
|
40.1
|
1.0
|
CHC
|
G:HEM501
|
3.4
|
38.4
|
1.0
|
CHD
|
G:HEM501
|
3.4
|
40.8
|
1.0
|
CHA
|
G:HEM501
|
3.5
|
36.0
|
1.0
|
CHB
|
G:HEM501
|
3.5
|
40.7
|
1.0
|
C2C
|
G:HEM501
|
4.1
|
41.7
|
1.0
|
CB
|
G:ALA301
|
4.2
|
62.9
|
1.0
|
C3C
|
G:HEM501
|
4.2
|
40.1
|
1.0
|
CA
|
G:CYS439
|
4.2
|
40.7
|
1.0
|
C3A
|
G:HEM501
|
4.3
|
39.4
|
1.0
|
C2A
|
G:HEM501
|
4.3
|
38.7
|
1.0
|
C2D
|
G:HEM501
|
4.3
|
39.0
|
1.0
|
C3D
|
G:HEM501
|
4.4
|
35.7
|
1.0
|
C2B
|
G:HEM501
|
4.4
|
40.5
|
1.0
|
C3B
|
G:HEM501
|
4.4
|
40.5
|
1.0
|
O
|
G:ALA301
|
4.5
|
64.1
|
1.0
|
N
|
G:GLY441
|
4.9
|
40.2
|
1.0
|
CA
|
G:ALA301
|
4.9
|
63.6
|
1.0
|
CA
|
G:GLY441
|
5.0
|
40.7
|
1.0
|
C
|
G:ALA301
|
5.0
|
63.8
|
1.0
|
|
Iron binding site 8 out
of 8 in 4ejh
Go back to
Iron Binding Sites List in 4ejh
Iron binding site 8 out
of 8 in the Human Cytochrome P450 2A13 in Complex with 4-(Methylnitrosamino)-1-(3- Pyridyl)-1-Butanone (Nnk)
Mono view
Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 8 of Human Cytochrome P450 2A13 in Complex with 4-(Methylnitrosamino)-1-(3- Pyridyl)-1-Butanone (Nnk) within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
H:Fe501
b:55.0
occ:1.00
|
FE
|
H:HEM501
|
0.0
|
55.0
|
1.0
|
NA
|
H:HEM501
|
1.9
|
53.0
|
1.0
|
NB
|
H:HEM501
|
2.0
|
51.0
|
1.0
|
NC
|
H:HEM501
|
2.0
|
51.4
|
1.0
|
ND
|
H:HEM501
|
2.1
|
52.8
|
1.0
|
SG
|
H:CYS439
|
2.7
|
59.3
|
1.0
|
C1A
|
H:HEM501
|
3.0
|
54.3
|
1.0
|
C4A
|
H:HEM501
|
3.0
|
52.4
|
1.0
|
C1B
|
H:HEM501
|
3.0
|
51.1
|
1.0
|
C4C
|
H:HEM501
|
3.0
|
52.2
|
1.0
|
C4B
|
H:HEM501
|
3.0
|
51.9
|
1.0
|
C1C
|
H:HEM501
|
3.1
|
52.0
|
1.0
|
C4D
|
H:HEM501
|
3.1
|
53.6
|
1.0
|
C1D
|
H:HEM501
|
3.1
|
51.5
|
1.0
|
CHB
|
H:HEM501
|
3.4
|
51.7
|
1.0
|
CHA
|
H:HEM501
|
3.4
|
53.5
|
1.0
|
CHC
|
H:HEM501
|
3.4
|
51.7
|
1.0
|
CHD
|
H:HEM501
|
3.4
|
51.7
|
1.0
|
CB
|
H:CYS439
|
3.7
|
61.6
|
1.0
|
C2A
|
H:HEM501
|
4.2
|
54.0
|
1.0
|
C3A
|
H:HEM501
|
4.2
|
51.0
|
1.0
|
C3C
|
H:HEM501
|
4.2
|
50.7
|
1.0
|
CB
|
H:ALA301
|
4.2
|
60.1
|
1.0
|
C2B
|
H:HEM501
|
4.2
|
51.7
|
1.0
|
C3B
|
H:HEM501
|
4.3
|
52.3
|
1.0
|
C2C
|
H:HEM501
|
4.3
|
50.4
|
1.0
|
O
|
H:ALA301
|
4.3
|
61.6
|
1.0
|
C3D
|
H:HEM501
|
4.3
|
53.9
|
1.0
|
C2D
|
H:HEM501
|
4.3
|
52.9
|
1.0
|
CA
|
H:CYS439
|
4.5
|
61.7
|
1.0
|
C
|
H:ALA301
|
4.8
|
61.7
|
1.0
|
CA
|
H:ALA301
|
4.9
|
60.9
|
1.0
|
|
Reference:
N.M.Devore,
E.E.Scott.
Nicotine and 4-(Methylnitrosamino)-1-(3-Pyridyl)-1-Butanone Binding and Access Channel in Human Cytochrome P450 2A6 and 2A13 Enzymes. J.Biol.Chem. V. 287 26576 2012.
ISSN: ISSN 0021-9258
PubMed: 22700965
DOI: 10.1074/JBC.M112.372813
Page generated: Mon Aug 5 01:39:45 2024
|