Iron in PDB 3tk3: Cytochrome P450 2B4 Mutant L437A in Complex with 4-(4-Chlorophenyl) Imidazole
Enzymatic activity of Cytochrome P450 2B4 Mutant L437A in Complex with 4-(4-Chlorophenyl) Imidazole
All present enzymatic activity of Cytochrome P450 2B4 Mutant L437A in Complex with 4-(4-Chlorophenyl) Imidazole:
1.14.14.1;
Protein crystallography data
The structure of Cytochrome P450 2B4 Mutant L437A in Complex with 4-(4-Chlorophenyl) Imidazole, PDB code: 3tk3
was solved by
S.C.Gay,
H.H.Jang,
P.R.Wilderman,
Q.Zhang,
C.D.Stout,
J.R.Halpert,
with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:
Resolution Low / High (Å)
|
50.43 /
2.80
|
Space group
|
P 3
|
Cell size a, b, c (Å), α, β, γ (°)
|
232.910,
232.910,
56.960,
90.00,
90.00,
120.00
|
R / Rfree (%)
|
19.3 /
24.1
|
Other elements in 3tk3:
The structure of Cytochrome P450 2B4 Mutant L437A in Complex with 4-(4-Chlorophenyl) Imidazole also contains other interesting chemical elements:
Iron Binding Sites:
The binding sites of Iron atom in the Cytochrome P450 2B4 Mutant L437A in Complex with 4-(4-Chlorophenyl) Imidazole
(pdb code 3tk3). This binding sites where shown within
5.0 Angstroms radius around Iron atom.
In total 4 binding sites of Iron where determined in the
Cytochrome P450 2B4 Mutant L437A in Complex with 4-(4-Chlorophenyl) Imidazole, PDB code: 3tk3:
Jump to Iron binding site number:
1;
2;
3;
4;
Iron binding site 1 out
of 4 in 3tk3
Go back to
Iron Binding Sites List in 3tk3
Iron binding site 1 out
of 4 in the Cytochrome P450 2B4 Mutant L437A in Complex with 4-(4-Chlorophenyl) Imidazole
Mono view
Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 1 of Cytochrome P450 2B4 Mutant L437A in Complex with 4-(4-Chlorophenyl) Imidazole within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Fe500
b:35.4
occ:1.00
|
FE
|
A:HEM500
|
0.0
|
35.4
|
1.0
|
N1
|
A:CPZ501
|
1.9
|
39.1
|
1.0
|
NC
|
A:HEM500
|
2.0
|
39.9
|
1.0
|
NA
|
A:HEM500
|
2.0
|
41.5
|
1.0
|
NB
|
A:HEM500
|
2.1
|
41.9
|
1.0
|
ND
|
A:HEM500
|
2.1
|
45.2
|
1.0
|
SG
|
A:CYS436
|
2.3
|
34.9
|
1.0
|
C5
|
A:CPZ501
|
2.8
|
41.9
|
1.0
|
C4A
|
A:HEM500
|
3.0
|
42.3
|
1.0
|
C4C
|
A:HEM500
|
3.0
|
43.4
|
1.0
|
C1B
|
A:HEM500
|
3.0
|
44.0
|
1.0
|
C2
|
A:CPZ501
|
3.0
|
41.4
|
1.0
|
C1C
|
A:HEM500
|
3.1
|
43.3
|
1.0
|
C1A
|
A:HEM500
|
3.1
|
43.3
|
1.0
|
C1D
|
A:HEM500
|
3.1
|
41.5
|
1.0
|
C4B
|
A:HEM500
|
3.1
|
37.4
|
1.0
|
C4D
|
A:HEM500
|
3.2
|
44.5
|
1.0
|
CB
|
A:CYS436
|
3.3
|
38.3
|
1.0
|
CHB
|
A:HEM500
|
3.4
|
44.9
|
1.0
|
CHD
|
A:HEM500
|
3.4
|
39.1
|
1.0
|
CHC
|
A:HEM500
|
3.5
|
44.5
|
1.0
|
CHA
|
A:HEM500
|
3.5
|
44.5
|
1.0
|
N3
|
A:CPZ501
|
4.1
|
44.5
|
1.0
|
C4
|
A:CPZ501
|
4.1
|
44.3
|
1.0
|
CA
|
A:CYS436
|
4.2
|
42.0
|
1.0
|
C3A
|
A:HEM500
|
4.2
|
42.8
|
1.0
|
C3C
|
A:HEM500
|
4.2
|
44.3
|
1.0
|
C2B
|
A:HEM500
|
4.3
|
40.4
|
1.0
|
C2C
|
A:HEM500
|
4.3
|
37.4
|
1.0
|
C2A
|
A:HEM500
|
4.3
|
40.8
|
1.0
|
C3B
|
A:HEM500
|
4.3
|
42.0
|
1.0
|
C2D
|
A:HEM500
|
4.4
|
37.8
|
1.0
|
C3D
|
A:HEM500
|
4.4
|
42.4
|
1.0
|
CB
|
A:ALA298
|
4.7
|
44.1
|
1.0
|
N
|
A:GLY438
|
4.9
|
43.9
|
1.0
|
C
|
A:CYS436
|
4.9
|
42.2
|
1.0
|
|
Iron binding site 2 out
of 4 in 3tk3
Go back to
Iron Binding Sites List in 3tk3
Iron binding site 2 out
of 4 in the Cytochrome P450 2B4 Mutant L437A in Complex with 4-(4-Chlorophenyl) Imidazole
Mono view
Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 2 of Cytochrome P450 2B4 Mutant L437A in Complex with 4-(4-Chlorophenyl) Imidazole within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:Fe500
b:36.5
occ:1.00
|
FE
|
B:HEM500
|
0.0
|
36.5
|
1.0
|
NA
|
B:HEM500
|
2.0
|
38.4
|
1.0
|
N1
|
B:CPZ501
|
2.0
|
35.1
|
1.0
|
NC
|
B:HEM500
|
2.0
|
42.6
|
1.0
|
NB
|
B:HEM500
|
2.0
|
40.2
|
1.0
|
ND
|
B:HEM500
|
2.1
|
43.1
|
1.0
|
SG
|
B:CYS436
|
2.3
|
35.4
|
1.0
|
C2
|
B:CPZ501
|
3.0
|
38.0
|
1.0
|
C4A
|
B:HEM500
|
3.0
|
39.6
|
1.0
|
C1A
|
B:HEM500
|
3.0
|
39.7
|
1.0
|
C4C
|
B:HEM500
|
3.0
|
45.0
|
1.0
|
C1B
|
B:HEM500
|
3.0
|
41.1
|
1.0
|
C5
|
B:CPZ501
|
3.1
|
42.3
|
1.0
|
C1C
|
B:HEM500
|
3.1
|
43.7
|
1.0
|
C4B
|
B:HEM500
|
3.1
|
39.4
|
1.0
|
C4D
|
B:HEM500
|
3.1
|
43.8
|
1.0
|
C1D
|
B:HEM500
|
3.1
|
41.2
|
1.0
|
CB
|
B:CYS436
|
3.2
|
37.4
|
1.0
|
CHB
|
B:HEM500
|
3.4
|
44.2
|
1.0
|
CHA
|
B:HEM500
|
3.4
|
39.9
|
1.0
|
CHD
|
B:HEM500
|
3.4
|
40.4
|
1.0
|
CHC
|
B:HEM500
|
3.5
|
39.8
|
1.0
|
CA
|
B:CYS436
|
4.1
|
41.5
|
1.0
|
C4
|
B:CPZ501
|
4.2
|
38.5
|
1.0
|
N3
|
B:CPZ501
|
4.2
|
43.9
|
1.0
|
C3A
|
B:HEM500
|
4.2
|
41.7
|
1.0
|
C2A
|
B:HEM500
|
4.2
|
43.0
|
1.0
|
C3C
|
B:HEM500
|
4.3
|
44.0
|
1.0
|
C2C
|
B:HEM500
|
4.3
|
44.8
|
1.0
|
C2B
|
B:HEM500
|
4.3
|
40.4
|
1.0
|
C3B
|
B:HEM500
|
4.3
|
40.2
|
1.0
|
C3D
|
B:HEM500
|
4.3
|
41.2
|
1.0
|
C2D
|
B:HEM500
|
4.4
|
41.3
|
1.0
|
CB
|
B:ALA298
|
4.5
|
37.1
|
1.0
|
N
|
B:GLY438
|
4.9
|
42.0
|
1.0
|
C
|
B:CYS436
|
4.9
|
43.5
|
1.0
|
N
|
B:ALA437
|
4.9
|
40.6
|
1.0
|
|
Iron binding site 3 out
of 4 in 3tk3
Go back to
Iron Binding Sites List in 3tk3
Iron binding site 3 out
of 4 in the Cytochrome P450 2B4 Mutant L437A in Complex with 4-(4-Chlorophenyl) Imidazole
Mono view
Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 3 of Cytochrome P450 2B4 Mutant L437A in Complex with 4-(4-Chlorophenyl) Imidazole within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
C:Fe500
b:34.6
occ:1.00
|
FE
|
C:HEM500
|
0.0
|
34.6
|
1.0
|
NA
|
C:HEM500
|
2.0
|
37.8
|
1.0
|
N1
|
C:CPZ501
|
2.0
|
35.5
|
1.0
|
NC
|
C:HEM500
|
2.0
|
39.5
|
1.0
|
NB
|
C:HEM500
|
2.1
|
36.2
|
1.0
|
ND
|
C:HEM500
|
2.1
|
38.7
|
1.0
|
SG
|
C:CYS436
|
2.2
|
34.5
|
1.0
|
C4A
|
C:HEM500
|
3.0
|
37.2
|
1.0
|
C4C
|
C:HEM500
|
3.0
|
41.8
|
1.0
|
C2
|
C:CPZ501
|
3.0
|
38.8
|
1.0
|
C1A
|
C:HEM500
|
3.0
|
38.5
|
1.0
|
C5
|
C:CPZ501
|
3.0
|
41.5
|
1.0
|
C1C
|
C:HEM500
|
3.1
|
44.1
|
1.0
|
C1B
|
C:HEM500
|
3.1
|
36.0
|
1.0
|
C1D
|
C:HEM500
|
3.1
|
37.8
|
1.0
|
C4D
|
C:HEM500
|
3.1
|
40.2
|
1.0
|
C4B
|
C:HEM500
|
3.1
|
34.5
|
1.0
|
CB
|
C:CYS436
|
3.4
|
37.4
|
1.0
|
CHD
|
C:HEM500
|
3.4
|
39.5
|
1.0
|
CHB
|
C:HEM500
|
3.4
|
38.4
|
1.0
|
CHA
|
C:HEM500
|
3.4
|
39.4
|
1.0
|
CHC
|
C:HEM500
|
3.5
|
41.1
|
1.0
|
C4
|
C:CPZ501
|
4.2
|
41.3
|
1.0
|
CA
|
C:CYS436
|
4.2
|
39.5
|
1.0
|
N3
|
C:CPZ501
|
4.2
|
41.1
|
1.0
|
C3A
|
C:HEM500
|
4.2
|
36.1
|
1.0
|
C2A
|
C:HEM500
|
4.2
|
40.2
|
1.0
|
C3C
|
C:HEM500
|
4.2
|
44.8
|
1.0
|
C2C
|
C:HEM500
|
4.3
|
40.8
|
1.0
|
C2B
|
C:HEM500
|
4.3
|
39.2
|
1.0
|
C3B
|
C:HEM500
|
4.3
|
39.2
|
1.0
|
C2D
|
C:HEM500
|
4.3
|
41.0
|
1.0
|
C3D
|
C:HEM500
|
4.3
|
39.8
|
1.0
|
CB
|
C:ALA298
|
4.7
|
43.0
|
1.0
|
N
|
C:GLY438
|
4.8
|
38.1
|
1.0
|
N
|
C:ALA437
|
4.8
|
41.3
|
1.0
|
C
|
C:CYS436
|
4.9
|
42.6
|
1.0
|
|
Iron binding site 4 out
of 4 in 3tk3
Go back to
Iron Binding Sites List in 3tk3
Iron binding site 4 out
of 4 in the Cytochrome P450 2B4 Mutant L437A in Complex with 4-(4-Chlorophenyl) Imidazole
Mono view
Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 4 of Cytochrome P450 2B4 Mutant L437A in Complex with 4-(4-Chlorophenyl) Imidazole within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
D:Fe500
b:39.9
occ:1.00
|
FE
|
D:HEM500
|
0.0
|
39.9
|
1.0
|
N1
|
D:CPZ501
|
1.9
|
38.7
|
1.0
|
NA
|
D:HEM500
|
2.0
|
40.0
|
1.0
|
NB
|
D:HEM500
|
2.0
|
42.2
|
1.0
|
NC
|
D:HEM500
|
2.1
|
44.9
|
1.0
|
ND
|
D:HEM500
|
2.2
|
45.9
|
1.0
|
SG
|
D:CYS436
|
2.2
|
32.7
|
1.0
|
C5
|
D:CPZ501
|
2.9
|
42.2
|
1.0
|
C4A
|
D:HEM500
|
3.0
|
39.7
|
1.0
|
C1B
|
D:HEM500
|
3.0
|
39.9
|
1.0
|
C2
|
D:CPZ501
|
3.0
|
36.5
|
1.0
|
C1A
|
D:HEM500
|
3.0
|
41.6
|
1.0
|
C4B
|
D:HEM500
|
3.0
|
42.9
|
1.0
|
C1C
|
D:HEM500
|
3.1
|
45.6
|
1.0
|
C4C
|
D:HEM500
|
3.1
|
47.9
|
1.0
|
C4D
|
D:HEM500
|
3.1
|
44.8
|
1.0
|
C1D
|
D:HEM500
|
3.2
|
42.3
|
1.0
|
CB
|
D:CYS436
|
3.3
|
37.0
|
1.0
|
CHB
|
D:HEM500
|
3.4
|
39.7
|
1.0
|
CHC
|
D:HEM500
|
3.4
|
45.8
|
1.0
|
CHA
|
D:HEM500
|
3.4
|
42.6
|
1.0
|
CHD
|
D:HEM500
|
3.5
|
43.3
|
1.0
|
N3
|
D:CPZ501
|
4.1
|
42.7
|
1.0
|
C4
|
D:CPZ501
|
4.1
|
40.1
|
1.0
|
C3A
|
D:HEM500
|
4.2
|
40.1
|
1.0
|
CA
|
D:CYS436
|
4.2
|
38.5
|
1.0
|
C2B
|
D:HEM500
|
4.2
|
42.5
|
1.0
|
C2A
|
D:HEM500
|
4.2
|
46.3
|
1.0
|
C3B
|
D:HEM500
|
4.2
|
41.7
|
1.0
|
C2C
|
D:HEM500
|
4.3
|
42.5
|
1.0
|
C3C
|
D:HEM500
|
4.3
|
46.7
|
1.0
|
C3D
|
D:HEM500
|
4.4
|
40.9
|
1.0
|
C2D
|
D:HEM500
|
4.4
|
40.8
|
1.0
|
CB
|
D:ALA298
|
4.6
|
46.3
|
1.0
|
N
|
D:GLY438
|
4.8
|
43.7
|
1.0
|
C
|
D:CYS436
|
4.9
|
42.5
|
1.0
|
|
Reference:
P.R.Wilderman,
S.C.Gay,
H.H.Jang,
Q.Zhang,
C.D.Stout,
J.R.Halpert.
Investigation By Site-Directed Mutagenesis of the Role of Cytochrome P450 2B4 Non-Active-Site Residues in Protein-Ligand Interactions Based on Crystal Structures of the Ligand-Bound Enzyme. Febs J. V. 279 1607 2012.
ISSN: ISSN 1742-464X
PubMed: 22051155
DOI: 10.1111/J.1742-4658.2011.08411.X
Page generated: Sun Aug 4 20:28:31 2024
|