Iron in PDB 2nyb: Crystal Structure of E.Coli Iron Superoxide Dismutase Q69E at 1.1 Angstrom Resolution
Enzymatic activity of Crystal Structure of E.Coli Iron Superoxide Dismutase Q69E at 1.1 Angstrom Resolution
All present enzymatic activity of Crystal Structure of E.Coli Iron Superoxide Dismutase Q69E at 1.1 Angstrom Resolution:
1.15.1.1;
Protein crystallography data
The structure of Crystal Structure of E.Coli Iron Superoxide Dismutase Q69E at 1.1 Angstrom Resolution, PDB code: 2nyb
was solved by
J.C.Porta,
A.Vahedi-Faridi,
G.E.O.Borgstahl,
with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:
Resolution Low / High (Å)
|
30.29 /
1.10
|
Space group
|
P 1 21 1
|
Cell size a, b, c (Å), α, β, γ (°)
|
43.508,
107.596,
84.120,
90.00,
94.89,
90.00
|
R / Rfree (%)
|
16 /
17.4
|
Iron Binding Sites:
The binding sites of Iron atom in the Crystal Structure of E.Coli Iron Superoxide Dismutase Q69E at 1.1 Angstrom Resolution
(pdb code 2nyb). This binding sites where shown within
5.0 Angstroms radius around Iron atom.
In total 4 binding sites of Iron where determined in the
Crystal Structure of E.Coli Iron Superoxide Dismutase Q69E at 1.1 Angstrom Resolution, PDB code: 2nyb:
Jump to Iron binding site number:
1;
2;
3;
4;
Iron binding site 1 out
of 4 in 2nyb
Go back to
Iron Binding Sites List in 2nyb
Iron binding site 1 out
of 4 in the Crystal Structure of E.Coli Iron Superoxide Dismutase Q69E at 1.1 Angstrom Resolution
Mono view
Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 1 of Crystal Structure of E.Coli Iron Superoxide Dismutase Q69E at 1.1 Angstrom Resolution within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Fe193
b:6.8
occ:1.00
|
OD2
|
A:ASP156
|
2.0
|
7.6
|
1.0
|
NE2
|
A:HIS160
|
2.1
|
6.5
|
1.0
|
NE2
|
A:HIS73
|
2.1
|
7.8
|
1.0
|
O
|
A:O194
|
2.2
|
8.2
|
1.0
|
NE2
|
A:HIS26
|
2.2
|
7.2
|
1.0
|
CG
|
A:ASP156
|
3.0
|
6.8
|
1.0
|
CE1
|
A:HIS73
|
3.1
|
8.1
|
1.0
|
CD2
|
A:HIS73
|
3.1
|
7.5
|
1.0
|
CE1
|
A:HIS160
|
3.1
|
6.8
|
1.0
|
CD2
|
A:HIS160
|
3.1
|
6.5
|
1.0
|
CE1
|
A:HIS26
|
3.1
|
6.9
|
1.0
|
CD2
|
A:HIS26
|
3.2
|
6.5
|
1.0
|
OD1
|
A:ASP156
|
3.5
|
7.4
|
1.0
|
ND1
|
A:HIS73
|
4.2
|
7.4
|
1.0
|
ND1
|
A:HIS160
|
4.2
|
6.8
|
1.0
|
CG
|
A:HIS73
|
4.2
|
7.2
|
1.0
|
CZ2
|
A:TRP122
|
4.2
|
8.5
|
1.0
|
CG
|
A:HIS160
|
4.2
|
6.9
|
1.0
|
ND1
|
A:HIS26
|
4.2
|
6.4
|
1.0
|
CB
|
A:ASP156
|
4.3
|
7.5
|
1.0
|
CG
|
A:HIS26
|
4.3
|
6.6
|
1.0
|
CH2
|
A:TRP122
|
4.4
|
8.7
|
1.0
|
CB
|
A:TRP158
|
4.5
|
7.0
|
1.0
|
OE2
|
A:GLU69
|
4.5
|
8.8
|
1.0
|
CG
|
A:TRP158
|
4.6
|
7.1
|
1.0
|
CD1
|
A:TRP158
|
4.8
|
7.7
|
1.0
|
|
Iron binding site 2 out
of 4 in 2nyb
Go back to
Iron Binding Sites List in 2nyb
Iron binding site 2 out
of 4 in the Crystal Structure of E.Coli Iron Superoxide Dismutase Q69E at 1.1 Angstrom Resolution
Mono view
Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 2 of Crystal Structure of E.Coli Iron Superoxide Dismutase Q69E at 1.1 Angstrom Resolution within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:Fe193
b:7.2
occ:1.00
|
OD2
|
B:ASP156
|
2.0
|
7.8
|
1.0
|
NE2
|
B:HIS73
|
2.1
|
7.8
|
1.0
|
NE2
|
B:HIS160
|
2.1
|
7.7
|
1.0
|
O
|
B:O194
|
2.2
|
8.6
|
1.0
|
NE2
|
B:HIS26
|
2.2
|
7.6
|
1.0
|
CG
|
B:ASP156
|
3.0
|
6.7
|
1.0
|
CD2
|
B:HIS73
|
3.1
|
7.4
|
1.0
|
CE1
|
B:HIS73
|
3.1
|
7.8
|
1.0
|
CD2
|
B:HIS160
|
3.1
|
7.1
|
1.0
|
CE1
|
B:HIS160
|
3.1
|
8.0
|
1.0
|
CE1
|
B:HIS26
|
3.1
|
7.3
|
1.0
|
CD2
|
B:HIS26
|
3.2
|
7.5
|
1.0
|
OD1
|
B:ASP156
|
3.5
|
7.5
|
1.0
|
ND1
|
B:HIS73
|
4.2
|
7.8
|
1.0
|
CG
|
B:HIS73
|
4.2
|
7.5
|
1.0
|
CZ2
|
B:TRP122
|
4.2
|
8.7
|
1.0
|
ND1
|
B:HIS160
|
4.2
|
7.9
|
1.0
|
ND1
|
B:HIS26
|
4.3
|
7.3
|
1.0
|
CG
|
B:HIS160
|
4.3
|
7.6
|
1.0
|
CB
|
B:ASP156
|
4.3
|
7.4
|
1.0
|
CG
|
B:HIS26
|
4.3
|
7.6
|
1.0
|
CH2
|
B:TRP122
|
4.4
|
8.7
|
1.0
|
CB
|
B:TRP158
|
4.5
|
7.8
|
1.0
|
OE2
|
B:GLU69
|
4.5
|
9.8
|
1.0
|
CG
|
B:TRP158
|
4.6
|
7.2
|
1.0
|
CD1
|
B:TRP158
|
4.8
|
8.1
|
1.0
|
CB
|
B:ALA161
|
5.0
|
7.4
|
1.0
|
|
Iron binding site 3 out
of 4 in 2nyb
Go back to
Iron Binding Sites List in 2nyb
Iron binding site 3 out
of 4 in the Crystal Structure of E.Coli Iron Superoxide Dismutase Q69E at 1.1 Angstrom Resolution
Mono view
Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 3 of Crystal Structure of E.Coli Iron Superoxide Dismutase Q69E at 1.1 Angstrom Resolution within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
C:Fe193
b:9.1
occ:1.00
|
OD2
|
C:ASP156
|
1.9
|
9.2
|
1.0
|
NE2
|
C:HIS73
|
2.1
|
9.7
|
1.0
|
NE2
|
C:HIS160
|
2.1
|
9.5
|
1.0
|
O
|
C:O194
|
2.1
|
10.5
|
1.0
|
NE2
|
C:HIS26
|
2.2
|
9.8
|
1.0
|
CG
|
C:ASP156
|
3.0
|
8.4
|
1.0
|
CE1
|
C:HIS73
|
3.1
|
9.5
|
1.0
|
CD2
|
C:HIS73
|
3.1
|
9.8
|
1.0
|
CD2
|
C:HIS160
|
3.1
|
9.3
|
1.0
|
CE1
|
C:HIS160
|
3.1
|
9.4
|
1.0
|
CE1
|
C:HIS26
|
3.1
|
9.5
|
1.0
|
CD2
|
C:HIS26
|
3.2
|
9.2
|
1.0
|
OD1
|
C:ASP156
|
3.5
|
9.0
|
1.0
|
ND1
|
C:HIS73
|
4.2
|
10.2
|
1.0
|
CG
|
C:HIS73
|
4.2
|
9.9
|
1.0
|
ND1
|
C:HIS160
|
4.2
|
9.5
|
1.0
|
ND1
|
C:HIS26
|
4.2
|
9.3
|
1.0
|
CG
|
C:HIS160
|
4.2
|
9.0
|
1.0
|
CZ2
|
C:TRP122
|
4.3
|
10.0
|
1.0
|
CG
|
C:HIS26
|
4.3
|
9.3
|
1.0
|
CB
|
C:ASP156
|
4.3
|
8.6
|
1.0
|
CH2
|
C:TRP122
|
4.4
|
10.4
|
1.0
|
CB
|
C:TRP158
|
4.4
|
9.1
|
1.0
|
OE2
|
C:GLU69
|
4.5
|
10.8
|
1.0
|
CG
|
C:TRP158
|
4.6
|
8.9
|
1.0
|
CD1
|
C:TRP158
|
4.8
|
9.2
|
1.0
|
|
Iron binding site 4 out
of 4 in 2nyb
Go back to
Iron Binding Sites List in 2nyb
Iron binding site 4 out
of 4 in the Crystal Structure of E.Coli Iron Superoxide Dismutase Q69E at 1.1 Angstrom Resolution
Mono view
Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 4 of Crystal Structure of E.Coli Iron Superoxide Dismutase Q69E at 1.1 Angstrom Resolution within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
D:Fe193
b:8.5
occ:1.00
|
OD2
|
D:ASP156
|
1.9
|
8.8
|
1.0
|
NE2
|
D:HIS73
|
2.1
|
8.7
|
1.0
|
NE2
|
D:HIS160
|
2.1
|
8.6
|
1.0
|
NE2
|
D:HIS26
|
2.2
|
9.1
|
1.0
|
O
|
D:O194
|
2.2
|
9.3
|
1.0
|
CG
|
D:ASP156
|
3.0
|
8.8
|
1.0
|
CD2
|
D:HIS73
|
3.1
|
8.9
|
1.0
|
CE1
|
D:HIS73
|
3.1
|
9.0
|
1.0
|
CD2
|
D:HIS160
|
3.1
|
9.0
|
1.0
|
CE1
|
D:HIS26
|
3.1
|
8.4
|
1.0
|
CE1
|
D:HIS160
|
3.1
|
8.4
|
1.0
|
CD2
|
D:HIS26
|
3.2
|
9.4
|
1.0
|
OD1
|
D:ASP156
|
3.5
|
9.4
|
1.0
|
ND1
|
D:HIS73
|
4.2
|
9.0
|
1.0
|
CG
|
D:HIS73
|
4.2
|
9.3
|
1.0
|
ND1
|
D:HIS160
|
4.2
|
9.0
|
1.0
|
ND1
|
D:HIS26
|
4.2
|
8.9
|
1.0
|
CZ2
|
D:TRP122
|
4.2
|
10.1
|
1.0
|
CG
|
D:HIS160
|
4.2
|
8.8
|
1.0
|
CB
|
D:ASP156
|
4.3
|
9.2
|
1.0
|
CG
|
D:HIS26
|
4.3
|
9.1
|
1.0
|
CH2
|
D:TRP122
|
4.4
|
10.3
|
1.0
|
CB
|
D:TRP158
|
4.5
|
8.8
|
1.0
|
OE2
|
D:GLU69
|
4.5
|
9.9
|
1.0
|
CG
|
D:TRP158
|
4.7
|
8.5
|
1.0
|
CD1
|
D:TRP158
|
4.9
|
8.7
|
1.0
|
CB
|
D:ALA161
|
4.9
|
9.3
|
1.0
|
|
Reference:
E.Yikilmaz,
J.Porta,
L.E.Grove,
A.Vahedi-Faridi,
Y.Bronshteyn,
T.C.Brunold,
G.E.Borgstahl,
A.F.Miller.
How Can A Single Second Sphere Amino Acid Substitution Cause Reduction Midpoint Potential Changes of Hundreds of Millivolts? J.Am.Chem.Soc. V. 129 9927 2007.
ISSN: ISSN 0002-7863
PubMed: 17628062
DOI: 10.1021/JA069224T
Page generated: Sun Aug 4 00:52:48 2024
|