Iron in PDB 5aop: Sulfite Reductase Structure Reduced with Crii Edta, 5-Coordinate Siroheme, Siroheme Feii, [4FE-4S] +1
Enzymatic activity of Sulfite Reductase Structure Reduced with Crii Edta, 5-Coordinate Siroheme, Siroheme Feii, [4FE-4S] +1
All present enzymatic activity of Sulfite Reductase Structure Reduced with Crii Edta, 5-Coordinate Siroheme, Siroheme Feii, [4FE-4S] +1:
1.8.1.2;
Protein crystallography data
The structure of Sulfite Reductase Structure Reduced with Crii Edta, 5-Coordinate Siroheme, Siroheme Feii, [4FE-4S] +1, PDB code: 5aop
was solved by
B.R.Crane,
E.D.Getzoff,
with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:
Resolution Low / High (Å)
|
10.00 /
2.20
|
Space group
|
P 21 21 21
|
Cell size a, b, c (Å), α, β, γ (°)
|
69.800,
77.400,
87.800,
90.00,
90.00,
90.00
|
R / Rfree (%)
|
16.4 /
n/a
|
Other elements in 5aop:
The structure of Sulfite Reductase Structure Reduced with Crii Edta, 5-Coordinate Siroheme, Siroheme Feii, [4FE-4S] +1 also contains other interesting chemical elements:
Iron Binding Sites:
The binding sites of Iron atom in the Sulfite Reductase Structure Reduced with Crii Edta, 5-Coordinate Siroheme, Siroheme Feii, [4FE-4S] +1
(pdb code 5aop). This binding sites where shown within
5.0 Angstroms radius around Iron atom.
In total 5 binding sites of Iron where determined in the
Sulfite Reductase Structure Reduced with Crii Edta, 5-Coordinate Siroheme, Siroheme Feii, [4FE-4S] +1, PDB code: 5aop:
Jump to Iron binding site number:
1;
2;
3;
4;
5;
Iron binding site 1 out
of 5 in 5aop
Go back to
Iron Binding Sites List in 5aop
Iron binding site 1 out
of 5 in the Sulfite Reductase Structure Reduced with Crii Edta, 5-Coordinate Siroheme, Siroheme Feii, [4FE-4S] +1
Mono view
Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 1 of Sulfite Reductase Structure Reduced with Crii Edta, 5-Coordinate Siroheme, Siroheme Feii, [4FE-4S] +1 within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Fe575
b:8.6
occ:1.00
|
FE1
|
A:SF4575
|
0.0
|
8.6
|
1.0
|
S3
|
A:SF4575
|
2.2
|
11.0
|
1.0
|
SG
|
A:CYS434
|
2.2
|
9.6
|
1.0
|
S4
|
A:SF4575
|
2.3
|
10.0
|
1.0
|
S2
|
A:SF4575
|
2.3
|
7.9
|
1.0
|
FE4
|
A:SF4575
|
2.6
|
10.9
|
1.0
|
FE3
|
A:SF4575
|
2.7
|
12.7
|
1.0
|
FE2
|
A:SF4575
|
2.8
|
11.2
|
1.0
|
CB
|
A:CYS434
|
3.2
|
5.5
|
1.0
|
N
|
A:GLY478
|
3.7
|
11.0
|
1.0
|
S1
|
A:SF4575
|
3.8
|
10.7
|
1.0
|
N
|
A:SER436
|
3.9
|
13.1
|
1.0
|
CA
|
A:GLY478
|
4.1
|
10.5
|
1.0
|
CA
|
A:SER436
|
4.2
|
11.9
|
1.0
|
CB
|
A:SER436
|
4.4
|
12.8
|
1.0
|
CB
|
A:CYS483
|
4.4
|
5.6
|
1.0
|
OG1
|
A:THR477
|
4.5
|
12.9
|
1.0
|
SG
|
A:CYS483
|
4.5
|
9.3
|
1.0
|
N
|
A:CYS479
|
4.5
|
9.1
|
1.0
|
CA
|
A:CYS434
|
4.5
|
7.4
|
1.0
|
C
|
A:GLY478
|
4.6
|
9.9
|
1.0
|
N
|
A:VAL435
|
4.6
|
9.3
|
1.0
|
C
|
A:CYS434
|
4.7
|
7.8
|
1.0
|
C
|
A:THR477
|
4.8
|
10.5
|
1.0
|
SG
|
A:CYS479
|
4.9
|
10.3
|
1.0
|
SG
|
A:CYS440
|
5.0
|
10.6
|
1.0
|
OG
|
A:SER436
|
5.0
|
11.6
|
1.0
|
C
|
A:VAL435
|
5.0
|
13.7
|
1.0
|
|
Iron binding site 2 out
of 5 in 5aop
Go back to
Iron Binding Sites List in 5aop
Iron binding site 2 out
of 5 in the Sulfite Reductase Structure Reduced with Crii Edta, 5-Coordinate Siroheme, Siroheme Feii, [4FE-4S] +1
Mono view
Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 2 of Sulfite Reductase Structure Reduced with Crii Edta, 5-Coordinate Siroheme, Siroheme Feii, [4FE-4S] +1 within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Fe575
b:11.2
occ:1.00
|
FE2
|
A:SF4575
|
0.0
|
11.2
|
1.0
|
S4
|
A:SF4575
|
2.3
|
10.0
|
1.0
|
SG
|
A:CYS440
|
2.3
|
10.6
|
1.0
|
S1
|
A:SF4575
|
2.3
|
10.7
|
1.0
|
S3
|
A:SF4575
|
2.3
|
11.0
|
1.0
|
FE3
|
A:SF4575
|
2.7
|
12.7
|
1.0
|
FE4
|
A:SF4575
|
2.7
|
10.9
|
1.0
|
FE1
|
A:SF4575
|
2.8
|
8.6
|
1.0
|
CB
|
A:CYS440
|
3.2
|
10.2
|
1.0
|
S2
|
A:SF4575
|
3.9
|
7.9
|
1.0
|
C3A
|
A:SRM580
|
4.2
|
6.8
|
1.0
|
CA
|
A:SER436
|
4.3
|
11.9
|
1.0
|
N
|
A:ALA443
|
4.4
|
13.4
|
1.0
|
N
|
A:SER436
|
4.4
|
13.1
|
1.0
|
CBA
|
A:SRM580
|
4.5
|
10.7
|
1.0
|
SG
|
A:CYS479
|
4.6
|
10.3
|
1.0
|
CB
|
A:LEU442
|
4.6
|
5.2
|
1.0
|
CA
|
A:ALA443
|
4.6
|
10.4
|
1.0
|
CDA
|
A:SRM580
|
4.6
|
14.1
|
1.0
|
CA
|
A:CYS440
|
4.6
|
11.5
|
1.0
|
C
|
A:LEU442
|
4.7
|
10.3
|
1.0
|
C4A
|
A:SRM580
|
4.8
|
9.2
|
1.0
|
CB
|
A:ALA443
|
4.8
|
9.8
|
1.0
|
SG
|
A:CYS434
|
4.8
|
9.6
|
1.0
|
SG
|
A:CYS483
|
4.9
|
9.3
|
1.0
|
C2A
|
A:SRM580
|
4.9
|
12.5
|
1.0
|
|
Iron binding site 3 out
of 5 in 5aop
Go back to
Iron Binding Sites List in 5aop
Iron binding site 3 out
of 5 in the Sulfite Reductase Structure Reduced with Crii Edta, 5-Coordinate Siroheme, Siroheme Feii, [4FE-4S] +1
Mono view
Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 3 of Sulfite Reductase Structure Reduced with Crii Edta, 5-Coordinate Siroheme, Siroheme Feii, [4FE-4S] +1 within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Fe575
b:12.7
occ:1.00
|
FE3
|
A:SF4575
|
0.0
|
12.7
|
1.0
|
S2
|
A:SF4575
|
2.2
|
7.9
|
1.0
|
SG
|
A:CYS479
|
2.2
|
10.3
|
1.0
|
S1
|
A:SF4575
|
2.3
|
10.7
|
1.0
|
S4
|
A:SF4575
|
2.3
|
10.0
|
1.0
|
FE2
|
A:SF4575
|
2.7
|
11.2
|
1.0
|
FE4
|
A:SF4575
|
2.7
|
10.9
|
1.0
|
FE1
|
A:SF4575
|
2.7
|
8.6
|
1.0
|
CB
|
A:CYS479
|
3.3
|
8.6
|
1.0
|
N
|
A:CYS479
|
3.6
|
9.1
|
1.0
|
S3
|
A:SF4575
|
3.9
|
11.0
|
1.0
|
CA
|
A:CYS479
|
3.9
|
8.9
|
1.0
|
O
|
A:CYS479
|
4.2
|
11.6
|
1.0
|
CB
|
A:ASN481
|
4.2
|
6.3
|
1.0
|
C
|
A:GLY478
|
4.2
|
9.9
|
1.0
|
ND2
|
A:ASN481
|
4.3
|
9.7
|
1.0
|
C
|
A:CYS479
|
4.3
|
10.3
|
1.0
|
O
|
A:LEU442
|
4.5
|
14.4
|
1.0
|
SG
|
A:CYS440
|
4.6
|
10.6
|
1.0
|
CA
|
A:GLY478
|
4.6
|
10.5
|
1.0
|
CG
|
A:ASN481
|
4.7
|
10.4
|
1.0
|
C
|
A:LEU442
|
4.7
|
10.3
|
1.0
|
SG
|
A:CYS483
|
4.7
|
9.3
|
1.0
|
N
|
A:GLY478
|
4.7
|
11.0
|
1.0
|
N
|
A:ASN481
|
4.7
|
11.0
|
1.0
|
CA
|
A:ALA443
|
4.8
|
10.4
|
1.0
|
CB
|
A:LEU442
|
4.8
|
5.2
|
1.0
|
O
|
A:GLY478
|
4.8
|
10.3
|
1.0
|
SG
|
A:CYS434
|
4.8
|
9.6
|
1.0
|
N
|
A:ALA443
|
4.8
|
13.4
|
1.0
|
CA
|
A:ASN481
|
5.0
|
8.1
|
1.0
|
N
|
A:GLY482
|
5.0
|
10.9
|
1.0
|
|
Iron binding site 4 out
of 5 in 5aop
Go back to
Iron Binding Sites List in 5aop
Iron binding site 4 out
of 5 in the Sulfite Reductase Structure Reduced with Crii Edta, 5-Coordinate Siroheme, Siroheme Feii, [4FE-4S] +1
Mono view
Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 4 of Sulfite Reductase Structure Reduced with Crii Edta, 5-Coordinate Siroheme, Siroheme Feii, [4FE-4S] +1 within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Fe575
b:10.9
occ:1.00
|
FE4
|
A:SF4575
|
0.0
|
10.9
|
1.0
|
S1
|
A:SF4575
|
2.2
|
10.7
|
1.0
|
SG
|
A:CYS483
|
2.3
|
9.3
|
1.0
|
S2
|
A:SF4575
|
2.3
|
7.9
|
1.0
|
S3
|
A:SF4575
|
2.3
|
11.0
|
1.0
|
FE1
|
A:SF4575
|
2.6
|
8.6
|
1.0
|
FE3
|
A:SF4575
|
2.7
|
12.7
|
1.0
|
FE2
|
A:SF4575
|
2.7
|
11.2
|
1.0
|
CB
|
A:CYS483
|
3.1
|
5.6
|
1.0
|
S4
|
A:SF4575
|
3.8
|
10.0
|
1.0
|
NA
|
A:SRM580
|
3.9
|
10.0
|
1.0
|
C4A
|
A:SRM580
|
4.0
|
9.2
|
1.0
|
N
|
A:CYS483
|
4.0
|
7.8
|
1.0
|
FE
|
A:SRM580
|
4.1
|
11.5
|
1.0
|
CA
|
A:CYS483
|
4.2
|
8.6
|
1.0
|
C1A
|
A:SRM580
|
4.2
|
10.3
|
1.0
|
C3A
|
A:SRM580
|
4.3
|
6.8
|
1.0
|
CB
|
A:ASN481
|
4.4
|
6.3
|
1.0
|
CHB
|
A:SRM580
|
4.4
|
6.6
|
1.0
|
ND
|
A:SRM580
|
4.5
|
12.1
|
1.0
|
SG
|
A:CYS434
|
4.5
|
9.6
|
1.0
|
CB
|
A:CYS434
|
4.6
|
5.5
|
1.0
|
CHA
|
A:SRM580
|
4.6
|
7.5
|
1.0
|
SG
|
A:CYS479
|
4.7
|
10.3
|
1.0
|
C4D
|
A:SRM580
|
4.7
|
11.0
|
1.0
|
SG
|
A:CYS440
|
4.7
|
10.6
|
1.0
|
C1B
|
A:SRM580
|
4.8
|
8.6
|
1.0
|
NB
|
A:SRM580
|
4.8
|
11.1
|
1.0
|
C2A
|
A:SRM580
|
4.9
|
12.5
|
1.0
|
ND2
|
A:ASN481
|
4.9
|
9.7
|
1.0
|
|
Iron binding site 5 out
of 5 in 5aop
Go back to
Iron Binding Sites List in 5aop
Iron binding site 5 out
of 5 in the Sulfite Reductase Structure Reduced with Crii Edta, 5-Coordinate Siroheme, Siroheme Feii, [4FE-4S] +1
Mono view
Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 5 of Sulfite Reductase Structure Reduced with Crii Edta, 5-Coordinate Siroheme, Siroheme Feii, [4FE-4S] +1 within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Fe580
b:11.5
occ:1.00
|
FE
|
A:SRM580
|
0.0
|
11.5
|
1.0
|
NB
|
A:SRM580
|
2.0
|
11.1
|
1.0
|
ND
|
A:SRM580
|
2.0
|
12.1
|
1.0
|
NA
|
A:SRM580
|
2.0
|
10.0
|
1.0
|
NC
|
A:SRM580
|
2.0
|
8.7
|
1.0
|
SG
|
A:CYS483
|
2.4
|
9.3
|
1.0
|
C4B
|
A:SRM580
|
3.0
|
9.8
|
1.0
|
C1A
|
A:SRM580
|
3.0
|
10.3
|
1.0
|
C4D
|
A:SRM580
|
3.0
|
11.0
|
1.0
|
C4A
|
A:SRM580
|
3.0
|
9.2
|
1.0
|
C1C
|
A:SRM580
|
3.0
|
7.1
|
1.0
|
C1B
|
A:SRM580
|
3.0
|
8.6
|
1.0
|
C1D
|
A:SRM580
|
3.1
|
12.4
|
1.0
|
C4C
|
A:SRM580
|
3.1
|
9.8
|
1.0
|
CHA
|
A:SRM580
|
3.3
|
7.5
|
1.0
|
CHC
|
A:SRM580
|
3.4
|
6.4
|
1.0
|
CHB
|
A:SRM580
|
3.4
|
6.6
|
1.0
|
CB
|
A:CYS483
|
3.4
|
5.6
|
1.0
|
CHD
|
A:SRM580
|
3.5
|
10.2
|
1.0
|
FE4
|
A:SF4575
|
4.1
|
10.9
|
1.0
|
C3D
|
A:SRM580
|
4.2
|
13.1
|
1.0
|
C2C
|
A:SRM580
|
4.2
|
7.3
|
1.0
|
C3C
|
A:SRM580
|
4.3
|
7.6
|
1.0
|
C2D
|
A:SRM580
|
4.3
|
13.4
|
1.0
|
C3B
|
A:SRM580
|
4.3
|
10.4
|
1.0
|
C3A
|
A:SRM580
|
4.3
|
6.8
|
1.0
|
C2A
|
A:SRM580
|
4.3
|
12.5
|
1.0
|
CA
|
A:CYS483
|
4.3
|
8.6
|
1.0
|
C2B
|
A:SRM580
|
4.3
|
9.7
|
1.0
|
O
|
A:HOH837
|
4.6
|
40.3
|
1.0
|
CAB
|
A:SRM580
|
4.7
|
10.1
|
1.0
|
CMA
|
A:SRM580
|
4.8
|
12.7
|
1.0
|
NZ
|
A:LYS215
|
4.8
|
17.7
|
0.5
|
CDB
|
A:SRM580
|
4.9
|
10.3
|
1.0
|
N
|
A:CYS483
|
4.9
|
7.8
|
1.0
|
|
Reference:
B.R.Crane,
L.M.Siegel,
E.D.Getzoff.
Structures of the Siroheme- and FE4S4-Containing Active Center of Sulfite Reductase in Different States of Oxidation: Heme Activation Via Reduction-Gated Exogenous Ligand Exchange. Biochemistry V. 36 12101 1997.
ISSN: ISSN 0006-2960
PubMed: 9315848
DOI: 10.1021/BI971065Q
Page generated: Mon Aug 5 19:42:04 2024
|