Iron in PDB 6gep: Sulfite Reductase Hemoprotein Nitric Oxide Complex Reduced with Proflavine Edta
Enzymatic activity of Sulfite Reductase Hemoprotein Nitric Oxide Complex Reduced with Proflavine Edta
All present enzymatic activity of Sulfite Reductase Hemoprotein Nitric Oxide Complex Reduced with Proflavine Edta:
1.8.1.2;
Protein crystallography data
The structure of Sulfite Reductase Hemoprotein Nitric Oxide Complex Reduced with Proflavine Edta, PDB code: 6gep
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 /
1.80
|
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 (%)
|
17.7 /
n/a
|
Other elements in 6gep:
The structure of Sulfite Reductase Hemoprotein Nitric Oxide Complex Reduced with Proflavine Edta also contains other interesting chemical elements:
Iron Binding Sites:
The binding sites of Iron atom in the Sulfite Reductase Hemoprotein Nitric Oxide Complex Reduced with Proflavine Edta
(pdb code 6gep). 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 Hemoprotein Nitric Oxide Complex Reduced with Proflavine Edta, PDB code: 6gep:
Jump to Iron binding site number:
1;
2;
3;
4;
5;
Iron binding site 1 out
of 5 in 6gep
Go back to
Iron Binding Sites List in 6gep
Iron binding site 1 out
of 5 in the Sulfite Reductase Hemoprotein Nitric Oxide Complex Reduced with Proflavine Edta
Mono view
Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 1 of Sulfite Reductase Hemoprotein Nitric Oxide Complex Reduced with Proflavine Edta within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Fe575
b:14.6
occ:1.00
|
FE1
|
A:SF4575
|
0.0
|
14.6
|
1.0
|
S4
|
A:SF4575
|
2.2
|
16.6
|
1.0
|
SG
|
A:CYS434
|
2.2
|
14.2
|
1.0
|
S3
|
A:SF4575
|
2.2
|
17.1
|
1.0
|
S2
|
A:SF4575
|
2.3
|
14.9
|
1.0
|
FE4
|
A:SF4575
|
2.7
|
16.3
|
1.0
|
FE2
|
A:SF4575
|
2.8
|
14.8
|
1.0
|
FE3
|
A:SF4575
|
2.8
|
15.6
|
1.0
|
CB
|
A:CYS434
|
3.2
|
12.5
|
1.0
|
N
|
A:GLY478
|
3.7
|
16.0
|
1.0
|
S1
|
A:SF4575
|
3.9
|
16.4
|
1.0
|
CA
|
A:GLY478
|
4.0
|
15.0
|
1.0
|
N
|
A:SER436
|
4.0
|
14.8
|
1.0
|
CA
|
A:SER436
|
4.2
|
16.2
|
1.0
|
N
|
A:CYS479
|
4.4
|
13.5
|
1.0
|
CB
|
A:CYS483
|
4.4
|
10.7
|
1.0
|
CB
|
A:SER436
|
4.4
|
15.1
|
1.0
|
SG
|
A:CYS483
|
4.5
|
14.9
|
1.0
|
OG1
|
A:THR477
|
4.5
|
15.9
|
1.0
|
C
|
A:GLY478
|
4.5
|
14.6
|
1.0
|
CA
|
A:CYS434
|
4.6
|
12.0
|
1.0
|
N
|
A:VAL435
|
4.7
|
14.1
|
1.0
|
C
|
A:CYS434
|
4.7
|
12.8
|
1.0
|
C
|
A:THR477
|
4.8
|
14.4
|
1.0
|
SG
|
A:CYS479
|
4.9
|
15.0
|
1.0
|
SG
|
A:CYS440
|
4.9
|
16.2
|
1.0
|
|
Iron binding site 2 out
of 5 in 6gep
Go back to
Iron Binding Sites List in 6gep
Iron binding site 2 out
of 5 in the Sulfite Reductase Hemoprotein Nitric Oxide Complex Reduced with Proflavine Edta
Mono view
Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 2 of Sulfite Reductase Hemoprotein Nitric Oxide Complex Reduced with Proflavine Edta within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Fe575
b:14.8
occ:1.00
|
FE2
|
A:SF4575
|
0.0
|
14.8
|
1.0
|
S4
|
A:SF4575
|
2.3
|
16.6
|
1.0
|
SG
|
A:CYS440
|
2.3
|
16.2
|
1.0
|
S3
|
A:SF4575
|
2.3
|
17.1
|
1.0
|
S1
|
A:SF4575
|
2.3
|
16.4
|
1.0
|
FE3
|
A:SF4575
|
2.7
|
15.6
|
1.0
|
FE1
|
A:SF4575
|
2.8
|
14.6
|
1.0
|
FE4
|
A:SF4575
|
2.8
|
16.3
|
1.0
|
CB
|
A:CYS440
|
3.2
|
14.8
|
1.0
|
S2
|
A:SF4575
|
3.9
|
14.9
|
1.0
|
C3A
|
A:SRM580
|
4.3
|
14.0
|
1.0
|
CA
|
A:SER436
|
4.4
|
16.2
|
1.0
|
N
|
A:ALA443
|
4.4
|
16.9
|
1.0
|
N
|
A:SER436
|
4.4
|
14.8
|
1.0
|
CBA
|
A:SRM580
|
4.5
|
17.0
|
1.0
|
CB
|
A:LEU442
|
4.6
|
15.6
|
1.0
|
CA
|
A:CYS440
|
4.6
|
17.0
|
1.0
|
SG
|
A:CYS479
|
4.6
|
15.0
|
1.0
|
C4A
|
A:SRM580
|
4.7
|
14.8
|
1.0
|
C
|
A:LEU442
|
4.7
|
16.2
|
1.0
|
CA
|
A:ALA443
|
4.7
|
16.0
|
1.0
|
CDA
|
A:SRM580
|
4.8
|
19.5
|
1.0
|
SG
|
A:CYS434
|
4.8
|
14.2
|
1.0
|
SG
|
A:CYS483
|
4.9
|
14.9
|
1.0
|
CB
|
A:ALA443
|
4.9
|
15.5
|
1.0
|
|
Iron binding site 3 out
of 5 in 6gep
Go back to
Iron Binding Sites List in 6gep
Iron binding site 3 out
of 5 in the Sulfite Reductase Hemoprotein Nitric Oxide Complex Reduced with Proflavine Edta
Mono view
Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 3 of Sulfite Reductase Hemoprotein Nitric Oxide Complex Reduced with Proflavine Edta within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Fe575
b:15.6
occ:1.00
|
FE3
|
A:SF4575
|
0.0
|
15.6
|
1.0
|
SG
|
A:CYS479
|
2.2
|
15.0
|
1.0
|
S2
|
A:SF4575
|
2.3
|
14.9
|
1.0
|
S1
|
A:SF4575
|
2.3
|
16.4
|
1.0
|
S4
|
A:SF4575
|
2.3
|
16.6
|
1.0
|
FE2
|
A:SF4575
|
2.7
|
14.8
|
1.0
|
FE4
|
A:SF4575
|
2.7
|
16.3
|
1.0
|
FE1
|
A:SF4575
|
2.8
|
14.6
|
1.0
|
CB
|
A:CYS479
|
3.3
|
13.1
|
1.0
|
N
|
A:CYS479
|
3.5
|
13.5
|
1.0
|
CA
|
A:CYS479
|
3.9
|
13.7
|
1.0
|
S3
|
A:SF4575
|
3.9
|
17.1
|
1.0
|
O
|
A:CYS479
|
4.1
|
14.8
|
1.0
|
CB
|
A:ASN481
|
4.1
|
15.0
|
1.0
|
C
|
A:GLY478
|
4.2
|
14.6
|
1.0
|
C
|
A:CYS479
|
4.2
|
14.9
|
1.0
|
ND2
|
A:ASN481
|
4.3
|
17.3
|
1.0
|
O
|
A:LEU442
|
4.5
|
16.6
|
1.0
|
SG
|
A:CYS440
|
4.6
|
16.2
|
1.0
|
CA
|
A:GLY478
|
4.6
|
15.0
|
1.0
|
SG
|
A:CYS483
|
4.6
|
14.9
|
1.0
|
CG
|
A:ASN481
|
4.7
|
17.4
|
1.0
|
C
|
A:LEU442
|
4.7
|
16.2
|
1.0
|
CB
|
A:LEU442
|
4.7
|
15.6
|
1.0
|
N
|
A:ASN481
|
4.7
|
13.2
|
1.0
|
N
|
A:GLY478
|
4.8
|
16.0
|
1.0
|
O
|
A:GLY478
|
4.9
|
14.9
|
1.0
|
CA
|
A:ALA443
|
4.9
|
16.0
|
1.0
|
N
|
A:ALA443
|
4.9
|
16.9
|
1.0
|
SG
|
A:CYS434
|
4.9
|
14.2
|
1.0
|
CA
|
A:ASN481
|
5.0
|
14.1
|
1.0
|
|
Iron binding site 4 out
of 5 in 6gep
Go back to
Iron Binding Sites List in 6gep
Iron binding site 4 out
of 5 in the Sulfite Reductase Hemoprotein Nitric Oxide Complex Reduced with Proflavine Edta
Mono view
Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 4 of Sulfite Reductase Hemoprotein Nitric Oxide Complex Reduced with Proflavine Edta within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Fe575
b:16.3
occ:1.00
|
FE4
|
A:SF4575
|
0.0
|
16.3
|
1.0
|
SG
|
A:CYS483
|
2.2
|
14.9
|
1.0
|
S1
|
A:SF4575
|
2.2
|
16.4
|
1.0
|
S2
|
A:SF4575
|
2.3
|
14.9
|
1.0
|
S3
|
A:SF4575
|
2.3
|
17.1
|
1.0
|
FE1
|
A:SF4575
|
2.7
|
14.6
|
1.0
|
FE3
|
A:SF4575
|
2.7
|
15.6
|
1.0
|
FE2
|
A:SF4575
|
2.8
|
14.8
|
1.0
|
CB
|
A:CYS483
|
3.1
|
10.7
|
1.0
|
S4
|
A:SF4575
|
3.8
|
16.6
|
1.0
|
NA
|
A:SRM580
|
3.9
|
14.9
|
1.0
|
C4A
|
A:SRM580
|
4.0
|
14.8
|
1.0
|
N
|
A:CYS483
|
4.1
|
10.4
|
1.0
|
CA
|
A:CYS483
|
4.2
|
10.9
|
1.0
|
FE
|
A:SRM580
|
4.3
|
13.8
|
1.0
|
CB
|
A:ASN481
|
4.4
|
15.0
|
1.0
|
C1A
|
A:SRM580
|
4.4
|
14.8
|
1.0
|
CHB
|
A:SRM580
|
4.4
|
13.0
|
1.0
|
C3A
|
A:SRM580
|
4.4
|
14.0
|
1.0
|
ND
|
A:SRM580
|
4.5
|
14.4
|
1.0
|
SG
|
A:CYS434
|
4.5
|
14.2
|
1.0
|
CB
|
A:CYS434
|
4.6
|
12.5
|
1.0
|
SG
|
A:CYS479
|
4.7
|
15.0
|
1.0
|
CHA
|
A:SRM580
|
4.7
|
14.5
|
1.0
|
C4D
|
A:SRM580
|
4.8
|
15.4
|
1.0
|
SG
|
A:CYS440
|
4.8
|
16.2
|
1.0
|
NB
|
A:SRM580
|
4.8
|
14.1
|
1.0
|
C1B
|
A:SRM580
|
4.8
|
14.0
|
1.0
|
|
Iron binding site 5 out
of 5 in 6gep
Go back to
Iron Binding Sites List in 6gep
Iron binding site 5 out
of 5 in the Sulfite Reductase Hemoprotein Nitric Oxide Complex Reduced with Proflavine Edta
Mono view
Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 5 of Sulfite Reductase Hemoprotein Nitric Oxide Complex Reduced with Proflavine Edta within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Fe580
b:13.8
occ:1.00
|
FE
|
A:SRM580
|
0.0
|
13.8
|
1.0
|
N
|
A:NO585
|
1.8
|
24.3
|
1.0
|
ND
|
A:SRM580
|
2.0
|
14.4
|
1.0
|
NC
|
A:SRM580
|
2.0
|
11.2
|
1.0
|
NA
|
A:SRM580
|
2.1
|
14.9
|
1.0
|
NB
|
A:SRM580
|
2.1
|
14.1
|
1.0
|
O
|
A:NO585
|
2.6
|
32.8
|
1.0
|
SG
|
A:CYS483
|
2.6
|
14.9
|
1.0
|
C4D
|
A:SRM580
|
3.0
|
15.4
|
1.0
|
C1C
|
A:SRM580
|
3.0
|
10.5
|
1.0
|
C1D
|
A:SRM580
|
3.0
|
13.7
|
1.0
|
C4C
|
A:SRM580
|
3.0
|
12.1
|
1.0
|
C4B
|
A:SRM580
|
3.0
|
14.7
|
1.0
|
C1A
|
A:SRM580
|
3.1
|
14.8
|
1.0
|
C4A
|
A:SRM580
|
3.1
|
14.8
|
1.0
|
C1B
|
A:SRM580
|
3.1
|
14.0
|
1.0
|
CHA
|
A:SRM580
|
3.3
|
14.5
|
1.0
|
CHC
|
A:SRM580
|
3.4
|
10.8
|
1.0
|
CHD
|
A:SRM580
|
3.4
|
12.6
|
1.0
|
CHB
|
A:SRM580
|
3.5
|
13.0
|
1.0
|
CB
|
A:CYS483
|
3.6
|
10.7
|
1.0
|
C2C
|
A:SRM580
|
4.3
|
10.9
|
1.0
|
C3D
|
A:SRM580
|
4.3
|
16.0
|
1.0
|
C3B
|
A:SRM580
|
4.3
|
13.6
|
1.0
|
C3C
|
A:SRM580
|
4.3
|
10.8
|
1.0
|
C2D
|
A:SRM580
|
4.3
|
16.4
|
1.0
|
C2A
|
A:SRM580
|
4.3
|
16.7
|
1.0
|
FE4
|
A:SF4575
|
4.3
|
16.3
|
1.0
|
C3A
|
A:SRM580
|
4.4
|
14.0
|
1.0
|
C2B
|
A:SRM580
|
4.4
|
14.5
|
1.0
|
NZ
|
A:LYS215
|
4.5
|
39.0
|
1.0
|
O
|
A:HOH929
|
4.5
|
27.1
|
0.5
|
CA
|
A:CYS483
|
4.5
|
10.9
|
1.0
|
CAB
|
A:SRM580
|
4.7
|
16.4
|
1.0
|
O
|
A:HOH929
|
4.7
|
29.7
|
0.5
|
CMA
|
A:SRM580
|
4.8
|
16.3
|
1.0
|
NZ
|
A:LYS217
|
4.9
|
10.3
|
1.0
|
|
Reference:
B.R.Crane,
L.M.Siegel,
E.D.Getzoff.
Probing the Catalytic Mechanism of Sulfite Reductase By X-Ray Crystallography: Structures of the Escherichia Coli Hemoprotein in Complex with Substrates, Inhibitors, Intermediates, and Products. Biochemistry V. 36 12120 1997.
ISSN: ISSN 0006-2960
PubMed: 9315849
DOI: 10.1021/BI971066I
Page generated: Tue Aug 6 19:28:24 2024
|