Iron in PDB 1piu: Oxidized Ribonucleotide Reductase R2-D84E Mutant Containing Oxo-Bridged Diferric Cluster
Enzymatic activity of Oxidized Ribonucleotide Reductase R2-D84E Mutant Containing Oxo-Bridged Diferric Cluster
All present enzymatic activity of Oxidized Ribonucleotide Reductase R2-D84E Mutant Containing Oxo-Bridged Diferric Cluster:
1.17.4.1;
Protein crystallography data
The structure of Oxidized Ribonucleotide Reductase R2-D84E Mutant Containing Oxo-Bridged Diferric Cluster, PDB code: 1piu
was solved by
W.C.Voegtli,
N.Khidekel,
J.Baldwin,
B.A.Ley,
J.M.Bollinger Jr.,
A.C.Rosenzweig,
with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:
Resolution Low / High (Å)
|
20.75 /
2.20
|
Space group
|
P 21 21 21
|
Cell size a, b, c (Å), α, β, γ (°)
|
74.100,
84.600,
114.800,
90.00,
90.00,
90.00
|
R / Rfree (%)
|
19.1 /
23.2
|
Other elements in 1piu:
The structure of Oxidized Ribonucleotide Reductase R2-D84E Mutant Containing Oxo-Bridged Diferric Cluster also contains other interesting chemical elements:
Iron Binding Sites:
The binding sites of Iron atom in the Oxidized Ribonucleotide Reductase R2-D84E Mutant Containing Oxo-Bridged Diferric Cluster
(pdb code 1piu). This binding sites where shown within
5.0 Angstroms radius around Iron atom.
In total 4 binding sites of Iron where determined in the
Oxidized Ribonucleotide Reductase R2-D84E Mutant Containing Oxo-Bridged Diferric Cluster, PDB code: 1piu:
Jump to Iron binding site number:
1;
2;
3;
4;
Iron binding site 1 out
of 4 in 1piu
Go back to
Iron Binding Sites List in 1piu
Iron binding site 1 out
of 4 in the Oxidized Ribonucleotide Reductase R2-D84E Mutant Containing Oxo-Bridged Diferric Cluster
Mono view
Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 1 of Oxidized Ribonucleotide Reductase R2-D84E Mutant Containing Oxo-Bridged Diferric Cluster within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Fe401
b:30.5
occ:1.00
|
O
|
A:O602
|
2.0
|
22.1
|
1.0
|
OE1
|
A:GLU115
|
2.1
|
23.2
|
1.0
|
OE1
|
A:GLU84
|
2.2
|
30.1
|
1.0
|
ND1
|
A:HIS118
|
2.4
|
10.9
|
1.0
|
O
|
A:HOH676
|
2.4
|
16.8
|
1.0
|
CD
|
A:GLU84
|
2.7
|
27.4
|
1.0
|
O
|
A:HOH677
|
2.8
|
20.8
|
1.0
|
OE2
|
A:GLU84
|
2.9
|
27.6
|
1.0
|
CD
|
A:GLU115
|
3.1
|
20.1
|
1.0
|
CE1
|
A:HIS118
|
3.2
|
10.3
|
1.0
|
FE
|
A:FE402
|
3.3
|
18.7
|
1.0
|
OE2
|
A:GLU115
|
3.4
|
19.2
|
1.0
|
CG
|
A:HIS118
|
3.5
|
13.2
|
1.0
|
OE1
|
A:GLU238
|
3.9
|
28.8
|
1.0
|
CB
|
A:HIS118
|
4.0
|
13.5
|
1.0
|
CG
|
A:GLU84
|
4.1
|
27.2
|
1.0
|
NE2
|
A:HIS118
|
4.4
|
10.7
|
1.0
|
CE1
|
A:HIS241
|
4.4
|
17.0
|
1.0
|
CG
|
A:GLU115
|
4.4
|
17.4
|
1.0
|
CD
|
A:GLU238
|
4.4
|
26.1
|
1.0
|
OE2
|
A:GLU238
|
4.5
|
19.9
|
1.0
|
CG2
|
A:ILE234
|
4.5
|
17.4
|
1.0
|
CZ
|
A:PHE208
|
4.5
|
28.2
|
1.0
|
CA
|
A:GLU115
|
4.5
|
16.7
|
1.0
|
ND1
|
A:HIS241
|
4.6
|
19.1
|
1.0
|
CD2
|
A:HIS118
|
4.6
|
15.1
|
1.0
|
CE2
|
A:PHE208
|
4.7
|
29.0
|
1.0
|
CB
|
A:GLU115
|
4.7
|
14.3
|
1.0
|
CE1
|
A:PHE208
|
4.9
|
28.4
|
1.0
|
|
Iron binding site 2 out
of 4 in 1piu
Go back to
Iron Binding Sites List in 1piu
Iron binding site 2 out
of 4 in the Oxidized Ribonucleotide Reductase R2-D84E Mutant Containing Oxo-Bridged Diferric Cluster
Mono view
Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 2 of Oxidized Ribonucleotide Reductase R2-D84E Mutant Containing Oxo-Bridged Diferric Cluster within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Fe402
b:18.7
occ:1.00
|
OE2
|
A:GLU238
|
2.0
|
19.9
|
1.0
|
ND1
|
A:HIS241
|
2.1
|
19.1
|
1.0
|
OE2
|
A:GLU204
|
2.1
|
24.4
|
1.0
|
O
|
A:HOH677
|
2.1
|
20.8
|
1.0
|
OE2
|
A:GLU115
|
2.2
|
19.2
|
1.0
|
O
|
A:O602
|
2.2
|
22.1
|
1.0
|
CD
|
A:GLU238
|
2.9
|
26.1
|
1.0
|
CE1
|
A:HIS241
|
3.0
|
17.0
|
1.0
|
CD
|
A:GLU115
|
3.1
|
20.1
|
1.0
|
CD
|
A:GLU204
|
3.1
|
24.4
|
1.0
|
OE1
|
A:GLU238
|
3.2
|
28.8
|
1.0
|
CG
|
A:HIS241
|
3.2
|
17.9
|
1.0
|
FE
|
A:FE401
|
3.3
|
30.5
|
1.0
|
OE1
|
A:GLU115
|
3.4
|
23.2
|
1.0
|
CB
|
A:HIS241
|
3.7
|
14.8
|
1.0
|
CG
|
A:GLU204
|
3.8
|
25.4
|
1.0
|
NE1
|
A:TRP111
|
3.9
|
14.9
|
1.0
|
OE1
|
A:GLU204
|
4.1
|
27.5
|
1.0
|
NE2
|
A:HIS241
|
4.1
|
16.3
|
1.0
|
O
|
A:HOH676
|
4.2
|
16.8
|
1.0
|
CG
|
A:GLU238
|
4.3
|
23.3
|
1.0
|
CD2
|
A:HIS241
|
4.3
|
16.2
|
1.0
|
CA
|
A:GLU238
|
4.4
|
19.4
|
1.0
|
CG
|
A:GLU115
|
4.5
|
17.4
|
1.0
|
CD1
|
A:TRP111
|
4.5
|
12.3
|
1.0
|
CB
|
A:GLU204
|
4.5
|
19.7
|
1.0
|
CB
|
A:GLU238
|
4.7
|
19.1
|
1.0
|
OE1
|
A:GLU84
|
4.8
|
30.1
|
1.0
|
NE2
|
A:GLN87
|
4.9
|
19.4
|
1.0
|
CE1
|
A:HIS118
|
5.0
|
10.3
|
1.0
|
|
Iron binding site 3 out
of 4 in 1piu
Go back to
Iron Binding Sites List in 1piu
Iron binding site 3 out
of 4 in the Oxidized Ribonucleotide Reductase R2-D84E Mutant Containing Oxo-Bridged Diferric Cluster
Mono view
Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 3 of Oxidized Ribonucleotide Reductase R2-D84E Mutant Containing Oxo-Bridged Diferric Cluster within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:Fe403
b:29.9
occ:1.00
|
OE1
|
B:GLU84
|
2.1
|
28.0
|
1.0
|
OE1
|
B:GLU115
|
2.1
|
18.9
|
1.0
|
O
|
B:O601
|
2.1
|
24.8
|
1.0
|
ND1
|
B:HIS118
|
2.4
|
14.3
|
1.0
|
O
|
B:HOH661
|
2.4
|
23.1
|
1.0
|
OE2
|
B:GLU84
|
2.7
|
27.4
|
1.0
|
CD
|
B:GLU84
|
2.7
|
27.0
|
1.0
|
O
|
B:HOH662
|
2.9
|
14.2
|
1.0
|
CE1
|
B:HIS118
|
3.2
|
14.5
|
1.0
|
CD
|
B:GLU115
|
3.2
|
15.2
|
1.0
|
FE
|
B:FE404
|
3.4
|
20.5
|
1.0
|
CG
|
B:HIS118
|
3.5
|
14.2
|
1.0
|
OE2
|
B:GLU115
|
3.6
|
19.5
|
1.0
|
CB
|
B:HIS118
|
3.9
|
12.1
|
1.0
|
OE2
|
B:GLU238
|
4.0
|
30.6
|
1.0
|
CG
|
B:GLU84
|
4.2
|
24.7
|
1.0
|
CZ
|
B:PHE208
|
4.3
|
27.1
|
1.0
|
CE2
|
B:PHE208
|
4.3
|
29.7
|
1.0
|
NE2
|
B:HIS118
|
4.4
|
13.9
|
1.0
|
CG2
|
B:ILE234
|
4.4
|
16.7
|
1.0
|
CG
|
B:GLU115
|
4.5
|
13.5
|
1.0
|
CD
|
B:GLU238
|
4.6
|
22.9
|
1.0
|
CE1
|
B:HIS241
|
4.6
|
12.6
|
1.0
|
CD2
|
B:HIS118
|
4.6
|
13.2
|
1.0
|
OE1
|
B:GLU238
|
4.6
|
18.8
|
1.0
|
CA
|
B:GLU115
|
4.6
|
15.5
|
1.0
|
ND1
|
B:HIS241
|
4.6
|
11.1
|
1.0
|
CB
|
B:GLU115
|
4.8
|
12.6
|
1.0
|
CB
|
B:GLU84
|
4.8
|
18.1
|
1.0
|
CE1
|
B:PHE208
|
4.9
|
26.1
|
1.0
|
CD2
|
B:PHE208
|
5.0
|
27.0
|
1.0
|
|
Iron binding site 4 out
of 4 in 1piu
Go back to
Iron Binding Sites List in 1piu
Iron binding site 4 out
of 4 in the Oxidized Ribonucleotide Reductase R2-D84E Mutant Containing Oxo-Bridged Diferric Cluster
Mono view
Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 4 of Oxidized Ribonucleotide Reductase R2-D84E Mutant Containing Oxo-Bridged Diferric Cluster within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:Fe404
b:20.5
occ:1.00
|
OE1
|
B:GLU238
|
2.1
|
18.8
|
1.0
|
OE2
|
B:GLU115
|
2.1
|
19.5
|
1.0
|
O
|
B:O601
|
2.1
|
24.8
|
1.0
|
OE2
|
B:GLU204
|
2.2
|
24.7
|
1.0
|
ND1
|
B:HIS241
|
2.2
|
11.1
|
1.0
|
O
|
B:HOH662
|
2.3
|
14.2
|
1.0
|
CD
|
B:GLU238
|
2.9
|
22.9
|
1.0
|
CD
|
B:GLU115
|
3.0
|
15.2
|
1.0
|
CE1
|
B:HIS241
|
3.1
|
12.6
|
1.0
|
OE2
|
B:GLU238
|
3.1
|
30.6
|
1.0
|
CD
|
B:GLU204
|
3.1
|
23.7
|
1.0
|
OE1
|
B:GLU115
|
3.3
|
18.9
|
1.0
|
CG
|
B:HIS241
|
3.3
|
14.2
|
1.0
|
FE
|
B:FE403
|
3.4
|
29.9
|
1.0
|
CG
|
B:GLU204
|
3.6
|
25.3
|
1.0
|
CB
|
B:HIS241
|
3.6
|
15.3
|
1.0
|
NE1
|
B:TRP111
|
3.9
|
17.9
|
1.0
|
OE1
|
B:GLU204
|
4.2
|
27.7
|
1.0
|
NE2
|
B:HIS241
|
4.2
|
11.8
|
1.0
|
O
|
B:HOH661
|
4.3
|
23.1
|
1.0
|
CG
|
B:GLU238
|
4.3
|
20.4
|
1.0
|
CD2
|
B:HIS241
|
4.4
|
12.4
|
1.0
|
CG
|
B:GLU115
|
4.4
|
13.5
|
1.0
|
CB
|
B:GLU204
|
4.5
|
21.5
|
1.0
|
CD1
|
B:TRP111
|
4.5
|
17.6
|
1.0
|
CA
|
B:GLU238
|
4.6
|
17.5
|
1.0
|
NE2
|
B:GLN87
|
4.7
|
17.9
|
1.0
|
CB
|
B:GLU238
|
4.8
|
15.0
|
1.0
|
OE1
|
B:GLU84
|
4.9
|
28.0
|
1.0
|
CE1
|
B:HIS118
|
4.9
|
14.5
|
1.0
|
ND1
|
B:HIS118
|
5.0
|
14.3
|
1.0
|
CG
|
B:GLN87
|
5.0
|
18.4
|
1.0
|
|
Reference:
W.C.Voegtli,
N.Khidekel,
J.Baldwin,
B.A.Ley,
J.M.Bollinger Jr.,
A.C.Rosenzweig.
Crystal Structure of the Ribonucleotide Reductase R2 Mutant That Accumulates A U-1,2-Peroxodiiron(III) Intermediate During Oxygen Activation J.Am.Chem.Soc. V. 122 3255 2000.
ISSN: ISSN 0002-7863
DOI: 10.1021/JA991839L
Page generated: Sat Aug 3 13:08:51 2024
|