Iron in PDB 1ykl: Protocatechuate 3,4-Dioxygenase Y408C Mutant Bound to Dhb
Enzymatic activity of Protocatechuate 3,4-Dioxygenase Y408C Mutant Bound to Dhb
All present enzymatic activity of Protocatechuate 3,4-Dioxygenase Y408C Mutant Bound to Dhb:
1.13.11.3;
Protein crystallography data
The structure of Protocatechuate 3,4-Dioxygenase Y408C Mutant Bound to Dhb, PDB code: 1ykl
was solved by
C.K.Brown,
D.H.Ohlendorf,
with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:
Resolution Low / High (Å)
|
25.64 /
2.25
|
Space group
|
I 1 2 1
|
Cell size a, b, c (Å), α, β, γ (°)
|
196.700,
127.200,
133.900,
90.00,
97.60,
90.00
|
R / Rfree (%)
|
15.8 /
19.9
|
Iron Binding Sites:
The binding sites of Iron atom in the Protocatechuate 3,4-Dioxygenase Y408C Mutant Bound to Dhb
(pdb code 1ykl). This binding sites where shown within
5.0 Angstroms radius around Iron atom.
In total 6 binding sites of Iron where determined in the
Protocatechuate 3,4-Dioxygenase Y408C Mutant Bound to Dhb, PDB code: 1ykl:
Jump to Iron binding site number:
1;
2;
3;
4;
5;
6;
Iron binding site 1 out
of 6 in 1ykl
Go back to
Iron Binding Sites List in 1ykl
Iron binding site 1 out
of 6 in the Protocatechuate 3,4-Dioxygenase Y408C Mutant Bound to Dhb
Mono view
Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 1 of Protocatechuate 3,4-Dioxygenase Y408C Mutant Bound to Dhb within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:Fe600
b:85.2
occ:1.00
|
OH
|
B:TYR447
|
2.2
|
40.3
|
1.0
|
O4
|
B:DHB550
|
2.3
|
61.6
|
1.0
|
NE2
|
B:HIS462
|
2.6
|
23.2
|
1.0
|
NE2
|
B:HIS460
|
2.7
|
24.6
|
1.0
|
O
|
B:HOH901
|
3.2
|
35.5
|
1.0
|
C4
|
B:DHB550
|
3.3
|
59.7
|
1.0
|
CZ
|
B:TYR447
|
3.5
|
37.6
|
1.0
|
CD2
|
B:HIS462
|
3.5
|
20.3
|
1.0
|
CE1
|
B:HIS460
|
3.6
|
23.0
|
1.0
|
CE1
|
B:HIS462
|
3.6
|
19.0
|
1.0
|
CD2
|
B:HIS460
|
3.8
|
22.9
|
1.0
|
O3
|
B:DHB550
|
3.8
|
59.3
|
1.0
|
CE2
|
B:TYR447
|
3.9
|
37.8
|
1.0
|
O
|
A:HOH606
|
4.0
|
21.9
|
1.0
|
C3
|
B:DHB550
|
4.0
|
59.3
|
1.0
|
C5
|
B:DHB550
|
4.2
|
59.1
|
1.0
|
O
|
B:HOH643
|
4.4
|
27.6
|
1.0
|
SG
|
B:CYS408
|
4.6
|
31.1
|
0.5
|
CD2
|
A:TYR16
|
4.6
|
39.4
|
1.0
|
ND1
|
B:HIS462
|
4.7
|
19.9
|
1.0
|
CE1
|
B:TYR447
|
4.7
|
34.7
|
1.0
|
CG
|
B:HIS462
|
4.7
|
19.6
|
1.0
|
ND1
|
B:HIS460
|
4.7
|
25.4
|
1.0
|
NH1
|
B:ARG457
|
4.8
|
20.9
|
1.0
|
CG
|
B:HIS460
|
4.9
|
23.9
|
1.0
|
|
Iron binding site 2 out
of 6 in 1ykl
Go back to
Iron Binding Sites List in 1ykl
Iron binding site 2 out
of 6 in the Protocatechuate 3,4-Dioxygenase Y408C Mutant Bound to Dhb
Mono view
Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 2 of Protocatechuate 3,4-Dioxygenase Y408C Mutant Bound to Dhb within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
D:Fe600
b:81.8
occ:1.00
|
OH
|
D:TYR447
|
2.3
|
40.9
|
1.0
|
NE2
|
D:HIS462
|
2.3
|
21.3
|
1.0
|
NE2
|
D:HIS460
|
2.5
|
22.9
|
1.0
|
O4
|
D:DHB1550
|
2.6
|
59.7
|
1.0
|
O
|
D:HOH1901
|
3.1
|
33.0
|
1.0
|
CE1
|
D:HIS462
|
3.2
|
18.2
|
1.0
|
CD2
|
D:HIS462
|
3.3
|
19.1
|
1.0
|
CE1
|
D:HIS460
|
3.4
|
22.8
|
1.0
|
CD2
|
D:HIS460
|
3.5
|
22.0
|
1.0
|
CZ
|
D:TYR447
|
3.6
|
37.9
|
1.0
|
C4
|
D:DHB1550
|
3.6
|
59.5
|
1.0
|
O3
|
D:DHB1550
|
3.8
|
60.1
|
1.0
|
CE2
|
D:TYR447
|
4.0
|
36.5
|
1.0
|
C3
|
D:DHB1550
|
4.1
|
59.2
|
1.0
|
O
|
D:HOH1643
|
4.1
|
21.6
|
1.0
|
O
|
C:HOH1606
|
4.2
|
19.3
|
1.0
|
ND1
|
D:HIS462
|
4.4
|
20.6
|
1.0
|
NH1
|
D:ARG457
|
4.4
|
17.8
|
1.0
|
CG
|
D:HIS462
|
4.4
|
19.7
|
1.0
|
ND1
|
D:HIS460
|
4.6
|
24.9
|
1.0
|
C5
|
D:DHB1550
|
4.6
|
59.0
|
1.0
|
CG
|
D:HIS460
|
4.6
|
22.9
|
1.0
|
CE1
|
D:TYR447
|
4.7
|
33.5
|
1.0
|
|
Iron binding site 3 out
of 6 in 1ykl
Go back to
Iron Binding Sites List in 1ykl
Iron binding site 3 out
of 6 in the Protocatechuate 3,4-Dioxygenase Y408C Mutant Bound to Dhb
Mono view
Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 3 of Protocatechuate 3,4-Dioxygenase Y408C Mutant Bound to Dhb within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
F:Fe600
b:79.2
occ:1.00
|
OH
|
F:TYR447
|
2.1
|
43.9
|
1.0
|
NE2
|
F:HIS460
|
2.2
|
25.2
|
1.0
|
NE2
|
F:HIS462
|
2.4
|
23.8
|
1.0
|
O4
|
F:DHB2550
|
2.7
|
59.5
|
1.0
|
CE1
|
F:HIS460
|
3.0
|
21.3
|
1.0
|
O
|
F:HOH2901
|
3.1
|
31.2
|
1.0
|
CD2
|
F:HIS462
|
3.2
|
18.8
|
1.0
|
CD2
|
F:HIS460
|
3.4
|
21.6
|
1.0
|
CZ
|
F:TYR447
|
3.4
|
39.4
|
1.0
|
O3
|
F:DHB2550
|
3.4
|
52.4
|
1.0
|
CE1
|
F:HIS462
|
3.5
|
24.1
|
1.0
|
C4
|
F:DHB2550
|
3.7
|
56.7
|
1.0
|
CE2
|
F:TYR447
|
4.0
|
38.8
|
1.0
|
C3
|
F:DHB2550
|
4.0
|
56.3
|
1.0
|
NH1
|
F:ARG457
|
4.1
|
23.8
|
1.0
|
O
|
F:HOH2643
|
4.2
|
31.2
|
1.0
|
ND1
|
F:HIS460
|
4.2
|
22.8
|
1.0
|
O
|
E:HOH2606
|
4.3
|
23.5
|
1.0
|
CG
|
F:HIS460
|
4.4
|
23.4
|
1.0
|
CG
|
F:HIS462
|
4.4
|
19.2
|
1.0
|
ND1
|
F:HIS462
|
4.5
|
21.6
|
1.0
|
CE1
|
F:TYR447
|
4.6
|
37.9
|
1.0
|
OE1
|
F:GLN477
|
4.7
|
19.9
|
1.0
|
C5
|
F:DHB2550
|
4.9
|
57.8
|
1.0
|
CD2
|
E:TYR16
|
5.0
|
41.8
|
1.0
|
SG
|
F:CYS408
|
5.0
|
28.1
|
0.5
|
|
Iron binding site 4 out
of 6 in 1ykl
Go back to
Iron Binding Sites List in 1ykl
Iron binding site 4 out
of 6 in the Protocatechuate 3,4-Dioxygenase Y408C Mutant Bound to Dhb
Mono view
Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 4 of Protocatechuate 3,4-Dioxygenase Y408C Mutant Bound to Dhb within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
H:Fe600
b:84.2
occ:1.00
|
OH
|
H:TYR447
|
2.1
|
44.3
|
1.0
|
O4
|
H:DHB3550
|
2.3
|
74.1
|
1.0
|
NE2
|
H:HIS462
|
2.4
|
23.7
|
1.0
|
NE2
|
H:HIS460
|
2.4
|
20.1
|
1.0
|
O
|
H:HOH3901
|
2.8
|
31.3
|
1.0
|
CD2
|
H:HIS462
|
3.2
|
19.9
|
1.0
|
CE1
|
H:HIS460
|
3.2
|
20.4
|
1.0
|
CZ
|
H:TYR447
|
3.3
|
40.4
|
1.0
|
CD2
|
H:HIS460
|
3.4
|
20.3
|
1.0
|
CE1
|
H:HIS462
|
3.5
|
21.5
|
1.0
|
C4
|
H:DHB3550
|
3.6
|
72.2
|
1.0
|
CE2
|
H:TYR447
|
3.7
|
40.4
|
1.0
|
O
|
H:HOH3643
|
4.0
|
29.3
|
1.0
|
O3
|
H:DHB3550
|
4.1
|
71.8
|
1.0
|
O
|
G:HOH3606
|
4.2
|
25.4
|
1.0
|
C3
|
H:DHB3550
|
4.3
|
72.8
|
1.0
|
CG
|
H:HIS462
|
4.4
|
20.5
|
1.0
|
ND1
|
H:HIS460
|
4.4
|
22.4
|
1.0
|
C5
|
H:DHB3550
|
4.5
|
71.4
|
1.0
|
ND1
|
H:HIS462
|
4.5
|
21.4
|
1.0
|
CG
|
H:HIS460
|
4.5
|
22.6
|
1.0
|
CE1
|
H:TYR447
|
4.6
|
39.2
|
1.0
|
NH1
|
H:ARG457
|
4.6
|
29.2
|
1.0
|
SG
|
H:CYS408
|
4.7
|
26.8
|
0.5
|
|
Iron binding site 5 out
of 6 in 1ykl
Go back to
Iron Binding Sites List in 1ykl
Iron binding site 5 out
of 6 in the Protocatechuate 3,4-Dioxygenase Y408C Mutant Bound to Dhb
Mono view
Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 5 of Protocatechuate 3,4-Dioxygenase Y408C Mutant Bound to Dhb within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
J:Fe600
b:93.3
occ:1.00
|
NE2
|
J:HIS462
|
2.3
|
22.6
|
1.0
|
OH
|
J:TYR447
|
2.3
|
41.7
|
1.0
|
NE2
|
J:HIS460
|
2.5
|
25.8
|
1.0
|
O
|
J:HOH4901
|
3.0
|
40.3
|
1.0
|
CD2
|
J:HIS462
|
3.1
|
20.4
|
1.0
|
O4
|
J:DHB4550
|
3.1
|
67.6
|
1.0
|
CE1
|
J:HIS460
|
3.3
|
22.9
|
1.0
|
CE1
|
J:HIS462
|
3.3
|
22.6
|
1.0
|
CD2
|
J:HIS460
|
3.5
|
25.2
|
1.0
|
CZ
|
J:TYR447
|
3.6
|
38.6
|
1.0
|
O3
|
J:DHB4550
|
3.8
|
67.8
|
1.0
|
CE2
|
J:TYR447
|
4.1
|
37.0
|
1.0
|
O
|
I:HOH4606
|
4.1
|
26.5
|
1.0
|
C4
|
J:DHB4550
|
4.1
|
68.3
|
1.0
|
O
|
J:HOH4643
|
4.1
|
26.2
|
1.0
|
CG
|
J:HIS462
|
4.3
|
21.1
|
1.0
|
ND1
|
J:HIS462
|
4.4
|
24.8
|
1.0
|
ND1
|
J:HIS460
|
4.4
|
27.1
|
1.0
|
C3
|
J:DHB4550
|
4.4
|
68.5
|
1.0
|
CG
|
J:HIS460
|
4.6
|
25.4
|
1.0
|
NH1
|
J:ARG457
|
4.8
|
24.5
|
1.0
|
CE1
|
J:TYR447
|
4.8
|
36.3
|
1.0
|
OE1
|
J:GLN477
|
4.9
|
24.1
|
1.0
|
|
Iron binding site 6 out
of 6 in 1ykl
Go back to
Iron Binding Sites List in 1ykl
Iron binding site 6 out
of 6 in the Protocatechuate 3,4-Dioxygenase Y408C Mutant Bound to Dhb
Mono view
Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 6 of Protocatechuate 3,4-Dioxygenase Y408C Mutant Bound to Dhb within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
L:Fe600
b:76.5
occ:1.00
|
OH
|
L:TYR447
|
2.2
|
42.4
|
1.0
|
NE2
|
L:HIS462
|
2.3
|
25.4
|
1.0
|
NE2
|
L:HIS460
|
2.4
|
27.9
|
1.0
|
O4
|
L:DHB5550
|
2.6
|
68.3
|
1.0
|
CD2
|
L:HIS462
|
3.1
|
22.8
|
1.0
|
O
|
L:HOH5901
|
3.3
|
35.4
|
1.0
|
CE1
|
L:HIS460
|
3.3
|
25.6
|
1.0
|
CZ
|
L:TYR447
|
3.4
|
39.3
|
1.0
|
CD2
|
L:HIS460
|
3.4
|
24.0
|
1.0
|
CE1
|
L:HIS462
|
3.5
|
23.6
|
1.0
|
C4
|
L:DHB5550
|
3.7
|
67.5
|
1.0
|
O3
|
L:DHB5550
|
3.7
|
65.2
|
1.0
|
CE2
|
L:TYR447
|
3.9
|
37.5
|
1.0
|
O
|
K:HOH5606
|
4.0
|
23.9
|
1.0
|
C3
|
L:DHB5550
|
4.1
|
67.1
|
1.0
|
CG
|
L:HIS462
|
4.4
|
22.4
|
1.0
|
O
|
L:HOH5643
|
4.4
|
28.9
|
1.0
|
ND1
|
L:HIS460
|
4.4
|
27.3
|
1.0
|
NH1
|
L:ARG457
|
4.4
|
22.6
|
1.0
|
ND1
|
L:HIS462
|
4.5
|
23.4
|
1.0
|
CG
|
L:HIS460
|
4.5
|
25.2
|
1.0
|
CE1
|
L:TYR447
|
4.7
|
38.5
|
1.0
|
OE1
|
L:GLN477
|
4.8
|
24.4
|
1.0
|
C5
|
L:DHB5550
|
4.8
|
68.5
|
1.0
|
CD2
|
K:TYR16
|
4.9
|
43.2
|
1.0
|
|
Reference:
M.P.Valley,
C.K.Brown,
D.L.Burk,
M.W.Vetting,
D.H.Ohlendorf,
J.D.Lipscomb.
Roles of the Equatorial Tyrosyl Iron Ligand of Protocatechuate 3,4-Dioxygenase in Catalysis Biochemistry V. 44 11024 2005.
ISSN: ISSN 0006-2960
PubMed: 16101286
DOI: 10.1021/BI050902I
Page generated: Sat Aug 3 17:50:35 2024
|