Iron in PDB 2fdv: Microsomal P450 2A6 with the Inhibitor N-Methyl(5-(Pyridin- 3-Yl)Furan-2-Yl)Methanamine Bound
Enzymatic activity of Microsomal P450 2A6 with the Inhibitor N-Methyl(5-(Pyridin- 3-Yl)Furan-2-Yl)Methanamine Bound
All present enzymatic activity of Microsomal P450 2A6 with the Inhibitor N-Methyl(5-(Pyridin- 3-Yl)Furan-2-Yl)Methanamine Bound:
1.14.14.1;
Protein crystallography data
The structure of Microsomal P450 2A6 with the Inhibitor N-Methyl(5-(Pyridin- 3-Yl)Furan-2-Yl)Methanamine Bound, PDB code: 2fdv
was solved by
J.K.Yano,
C.D.Stout,
E.F.Johnson,
with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:
Resolution Low / High (Å)
|
33.80 /
1.65
|
Space group
|
P 1 21 1
|
Cell size a, b, c (Å), α, β, γ (°)
|
69.927,
157.430,
103.897,
90.00,
92.21,
90.00
|
R / Rfree (%)
|
18.8 /
22
|
Iron Binding Sites:
The binding sites of Iron atom in the Microsomal P450 2A6 with the Inhibitor N-Methyl(5-(Pyridin- 3-Yl)Furan-2-Yl)Methanamine Bound
(pdb code 2fdv). This binding sites where shown within
5.0 Angstroms radius around Iron atom.
In total 4 binding sites of Iron where determined in the
Microsomal P450 2A6 with the Inhibitor N-Methyl(5-(Pyridin- 3-Yl)Furan-2-Yl)Methanamine Bound, PDB code: 2fdv:
Jump to Iron binding site number:
1;
2;
3;
4;
Iron binding site 1 out
of 4 in 2fdv
Go back to
Iron Binding Sites List in 2fdv
Iron binding site 1 out
of 4 in the Microsomal P450 2A6 with the Inhibitor N-Methyl(5-(Pyridin- 3-Yl)Furan-2-Yl)Methanamine Bound
Mono view
Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 1 of Microsomal P450 2A6 with the Inhibitor N-Methyl(5-(Pyridin- 3-Yl)Furan-2-Yl)Methanamine Bound within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Fe500
b:16.7
occ:1.00
|
FE
|
A:HEM500
|
0.0
|
16.7
|
1.0
|
NC
|
A:HEM500
|
2.0
|
17.3
|
1.0
|
NA
|
A:HEM500
|
2.0
|
15.8
|
1.0
|
NB
|
A:HEM500
|
2.0
|
14.1
|
1.0
|
ND
|
A:HEM500
|
2.1
|
15.5
|
1.0
|
N_2
|
A:D2G501
|
2.2
|
17.1
|
1.0
|
SG
|
A:CYS439
|
2.3
|
18.2
|
1.0
|
C4B
|
A:HEM500
|
3.0
|
12.5
|
1.0
|
C1D
|
A:HEM500
|
3.0
|
17.6
|
1.0
|
C1C
|
A:HEM500
|
3.1
|
13.5
|
1.0
|
C4D
|
A:HEM500
|
3.1
|
14.7
|
1.0
|
C4C
|
A:HEM500
|
3.1
|
17.8
|
1.0
|
C4A
|
A:HEM500
|
3.1
|
15.1
|
1.0
|
C1A
|
A:HEM500
|
3.1
|
15.3
|
1.0
|
C1B
|
A:HEM500
|
3.1
|
15.7
|
1.0
|
C10
|
A:D2G501
|
3.1
|
20.0
|
1.0
|
C11
|
A:D2G501
|
3.1
|
23.5
|
1.0
|
CHD
|
A:HEM500
|
3.4
|
15.9
|
1.0
|
CHC
|
A:HEM500
|
3.4
|
14.4
|
1.0
|
CB
|
A:CYS439
|
3.4
|
17.6
|
1.0
|
CHB
|
A:HEM500
|
3.4
|
14.4
|
1.0
|
CHA
|
A:HEM500
|
3.4
|
14.6
|
1.0
|
CA
|
A:CYS439
|
4.2
|
17.1
|
1.0
|
C2D
|
A:HEM500
|
4.2
|
16.6
|
1.0
|
C3A
|
A:HEM500
|
4.3
|
15.7
|
1.0
|
C2B
|
A:HEM500
|
4.3
|
13.5
|
1.0
|
C3B
|
A:HEM500
|
4.3
|
14.4
|
1.0
|
C3C
|
A:HEM500
|
4.3
|
17.4
|
1.0
|
C2C
|
A:HEM500
|
4.3
|
17.6
|
1.0
|
C2A
|
A:HEM500
|
4.3
|
15.3
|
1.0
|
C3D
|
A:HEM500
|
4.3
|
14.4
|
1.0
|
C_9
|
A:D2G501
|
4.5
|
17.2
|
1.0
|
N
|
A:GLY441
|
4.9
|
18.0
|
1.0
|
C
|
A:CYS439
|
5.0
|
19.0
|
1.0
|
|
Iron binding site 2 out
of 4 in 2fdv
Go back to
Iron Binding Sites List in 2fdv
Iron binding site 2 out
of 4 in the Microsomal P450 2A6 with the Inhibitor N-Methyl(5-(Pyridin- 3-Yl)Furan-2-Yl)Methanamine Bound
Mono view
Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 2 of Microsomal P450 2A6 with the Inhibitor N-Methyl(5-(Pyridin- 3-Yl)Furan-2-Yl)Methanamine Bound within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:Fe500
b:22.0
occ:1.00
|
FE
|
B:HEM500
|
0.0
|
22.0
|
1.0
|
NC
|
B:HEM500
|
2.0
|
20.9
|
1.0
|
NA
|
B:HEM500
|
2.1
|
22.1
|
1.0
|
NB
|
B:HEM500
|
2.1
|
19.8
|
1.0
|
ND
|
B:HEM500
|
2.1
|
21.7
|
1.0
|
N_2
|
B:D2G501
|
2.3
|
24.5
|
1.0
|
SG
|
B:CYS439
|
2.4
|
22.3
|
1.0
|
C4D
|
B:HEM500
|
3.0
|
21.1
|
1.0
|
C4B
|
B:HEM500
|
3.0
|
21.4
|
1.0
|
C1C
|
B:HEM500
|
3.0
|
20.9
|
1.0
|
C1D
|
B:HEM500
|
3.0
|
21.9
|
1.0
|
C1A
|
B:HEM500
|
3.1
|
20.3
|
1.0
|
C1B
|
B:HEM500
|
3.1
|
20.0
|
1.0
|
C4A
|
B:HEM500
|
3.1
|
20.6
|
1.0
|
C4C
|
B:HEM500
|
3.1
|
22.1
|
1.0
|
C10
|
B:D2G501
|
3.2
|
25.6
|
1.0
|
C11
|
B:D2G501
|
3.3
|
26.4
|
1.0
|
CHC
|
B:HEM500
|
3.4
|
19.9
|
1.0
|
CHA
|
B:HEM500
|
3.4
|
20.9
|
1.0
|
CHB
|
B:HEM500
|
3.4
|
19.9
|
1.0
|
CHD
|
B:HEM500
|
3.4
|
22.6
|
1.0
|
CB
|
B:CYS439
|
3.4
|
21.6
|
1.0
|
CA
|
B:CYS439
|
4.2
|
21.3
|
1.0
|
C2C
|
B:HEM500
|
4.2
|
22.2
|
1.0
|
C3A
|
B:HEM500
|
4.2
|
20.2
|
1.0
|
C2D
|
B:HEM500
|
4.2
|
22.0
|
1.0
|
C3D
|
B:HEM500
|
4.2
|
21.1
|
1.0
|
C2A
|
B:HEM500
|
4.3
|
19.9
|
1.0
|
C3C
|
B:HEM500
|
4.3
|
22.6
|
1.0
|
C3B
|
B:HEM500
|
4.3
|
21.3
|
1.0
|
C2B
|
B:HEM500
|
4.3
|
21.7
|
1.0
|
C_9
|
B:D2G501
|
4.5
|
23.6
|
1.0
|
N
|
B:GLY441
|
4.9
|
25.7
|
1.0
|
|
Iron binding site 3 out
of 4 in 2fdv
Go back to
Iron Binding Sites List in 2fdv
Iron binding site 3 out
of 4 in the Microsomal P450 2A6 with the Inhibitor N-Methyl(5-(Pyridin- 3-Yl)Furan-2-Yl)Methanamine Bound
Mono view
Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 3 of Microsomal P450 2A6 with the Inhibitor N-Methyl(5-(Pyridin- 3-Yl)Furan-2-Yl)Methanamine Bound within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
C:Fe500
b:19.2
occ:1.00
|
FE
|
C:HEM500
|
0.0
|
19.2
|
1.0
|
NA
|
C:HEM500
|
2.0
|
18.3
|
1.0
|
NC
|
C:HEM500
|
2.0
|
19.2
|
1.0
|
NB
|
C:HEM500
|
2.1
|
18.7
|
1.0
|
ND
|
C:HEM500
|
2.1
|
19.7
|
1.0
|
N_2
|
C:D2G501
|
2.2
|
22.2
|
1.0
|
SG
|
C:CYS439
|
2.3
|
21.0
|
1.0
|
C1C
|
C:HEM500
|
3.0
|
18.5
|
1.0
|
C4B
|
C:HEM500
|
3.0
|
19.8
|
1.0
|
C1D
|
C:HEM500
|
3.0
|
19.5
|
1.0
|
C4A
|
C:HEM500
|
3.0
|
17.8
|
1.0
|
C1A
|
C:HEM500
|
3.1
|
17.5
|
1.0
|
C4D
|
C:HEM500
|
3.1
|
17.2
|
1.0
|
C4C
|
C:HEM500
|
3.1
|
20.1
|
1.0
|
C1B
|
C:HEM500
|
3.1
|
18.8
|
1.0
|
C10
|
C:D2G501
|
3.1
|
23.1
|
1.0
|
C11
|
C:D2G501
|
3.1
|
28.8
|
1.0
|
CHC
|
C:HEM500
|
3.3
|
17.6
|
1.0
|
CHD
|
C:HEM500
|
3.4
|
18.9
|
1.0
|
CHB
|
C:HEM500
|
3.4
|
17.5
|
1.0
|
CHA
|
C:HEM500
|
3.4
|
17.5
|
1.0
|
CB
|
C:CYS439
|
3.5
|
18.2
|
1.0
|
CA
|
C:CYS439
|
4.2
|
18.7
|
1.0
|
C2C
|
C:HEM500
|
4.2
|
18.7
|
1.0
|
C3A
|
C:HEM500
|
4.2
|
19.0
|
1.0
|
C2D
|
C:HEM500
|
4.2
|
19.8
|
1.0
|
C3B
|
C:HEM500
|
4.2
|
19.8
|
1.0
|
C2A
|
C:HEM500
|
4.3
|
17.8
|
1.0
|
C3C
|
C:HEM500
|
4.3
|
20.2
|
1.0
|
C3D
|
C:HEM500
|
4.3
|
17.9
|
1.0
|
C2B
|
C:HEM500
|
4.3
|
18.7
|
1.0
|
C_9
|
C:D2G501
|
4.5
|
22.2
|
1.0
|
N
|
C:GLY441
|
4.9
|
19.5
|
1.0
|
C
|
C:CYS439
|
5.0
|
21.6
|
1.0
|
|
Iron binding site 4 out
of 4 in 2fdv
Go back to
Iron Binding Sites List in 2fdv
Iron binding site 4 out
of 4 in the Microsomal P450 2A6 with the Inhibitor N-Methyl(5-(Pyridin- 3-Yl)Furan-2-Yl)Methanamine Bound
Mono view
Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 4 of Microsomal P450 2A6 with the Inhibitor N-Methyl(5-(Pyridin- 3-Yl)Furan-2-Yl)Methanamine Bound within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
D:Fe500
b:20.7
occ:1.00
|
FE
|
D:HEM500
|
0.0
|
20.7
|
1.0
|
NC
|
D:HEM500
|
2.0
|
21.4
|
1.0
|
ND
|
D:HEM500
|
2.0
|
22.4
|
1.0
|
NA
|
D:HEM500
|
2.1
|
19.3
|
1.0
|
NB
|
D:HEM500
|
2.1
|
20.2
|
1.0
|
N_2
|
D:D2G501
|
2.1
|
23.4
|
1.0
|
SG
|
D:CYS439
|
2.3
|
22.7
|
1.0
|
C1D
|
D:HEM500
|
3.0
|
22.7
|
1.0
|
C1C
|
D:HEM500
|
3.0
|
20.4
|
1.0
|
C4C
|
D:HEM500
|
3.1
|
23.7
|
1.0
|
C4B
|
D:HEM500
|
3.1
|
16.8
|
1.0
|
C4A
|
D:HEM500
|
3.1
|
17.8
|
1.0
|
C4D
|
D:HEM500
|
3.1
|
20.2
|
1.0
|
C1B
|
D:HEM500
|
3.1
|
17.6
|
1.0
|
C1A
|
D:HEM500
|
3.1
|
19.4
|
1.0
|
C11
|
D:D2G501
|
3.1
|
28.3
|
1.0
|
C10
|
D:D2G501
|
3.2
|
23.1
|
1.0
|
CHD
|
D:HEM500
|
3.4
|
23.5
|
1.0
|
CHC
|
D:HEM500
|
3.4
|
18.2
|
1.0
|
CHB
|
D:HEM500
|
3.4
|
18.7
|
1.0
|
CHA
|
D:HEM500
|
3.4
|
21.4
|
1.0
|
CB
|
D:CYS439
|
3.4
|
21.3
|
1.0
|
CA
|
D:CYS439
|
4.1
|
20.9
|
1.0
|
C2C
|
D:HEM500
|
4.2
|
20.4
|
1.0
|
C3C
|
D:HEM500
|
4.2
|
22.5
|
1.0
|
C2D
|
D:HEM500
|
4.2
|
23.4
|
1.0
|
C3B
|
D:HEM500
|
4.3
|
16.8
|
1.0
|
C3A
|
D:HEM500
|
4.3
|
16.2
|
1.0
|
C3D
|
D:HEM500
|
4.3
|
21.6
|
1.0
|
C2A
|
D:HEM500
|
4.3
|
18.2
|
1.0
|
C2B
|
D:HEM500
|
4.3
|
17.4
|
1.0
|
C_9
|
D:D2G501
|
4.6
|
24.6
|
1.0
|
N
|
D:GLY441
|
4.9
|
23.0
|
1.0
|
C
|
D:CYS439
|
4.9
|
22.5
|
1.0
|
|
Reference:
J.K.Yano,
T.T.Denton,
M.A.Cerny,
X.Zhang,
E.F.Johnson,
J.R.Cashman.
Synthetic Inhibitors of Cytochrome P-450 2A6: Inhibitory Activity, Difference Spectra, Mechanism of Inhibition, and Protein Cocrystallization. J.Med.Chem. V. 49 6987 2006.
ISSN: ISSN 0022-2623
PubMed: 17125252
DOI: 10.1021/JM060519R
Page generated: Sat Aug 3 21:18:05 2024
|