Iron in PDB 32fi: Cryoem Structure of the E494A Quinol-Dependent Nitric Oxide Reductase
Enzymatic activity of Cryoem Structure of the E494A Quinol-Dependent Nitric Oxide Reductase
All present enzymatic activity of Cryoem Structure of the E494A Quinol-Dependent Nitric Oxide Reductase:
1.7.2.5;
Other elements in 32fi:
The structure of Cryoem Structure of the E494A Quinol-Dependent Nitric Oxide Reductase also contains other interesting chemical elements:
Iron Binding Sites:
The binding sites of Iron atom in the Cryoem Structure of the E494A Quinol-Dependent Nitric Oxide Reductase
(pdb code 32fi). This binding sites where shown within
5.0 Angstroms radius around Iron atom.
In total 4 binding sites of Iron where determined in the
Cryoem Structure of the E494A Quinol-Dependent Nitric Oxide Reductase, PDB code: 32fi:
Jump to Iron binding site number:
1;
2;
3;
4;
Iron binding site 1 out
of 4 in 32fi
Go back to
Iron Binding Sites List in 32fi
Iron binding site 1 out
of 4 in the Cryoem Structure of the E494A Quinol-Dependent Nitric Oxide Reductase
 Mono view
 Stereo pair view
|
|
A full contact list of Iron with other atoms in the Fe binding
site number 1 of Cryoem Structure of the E494A Quinol-Dependent Nitric Oxide Reductase within 5.0Å range:
|
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Fe801
b:93.3
occ:1.00
|
FE
|
A:HEM801
|
0.0
|
93.3
|
1.0
|
|
NC
|
A:HEM801
|
2.0
|
81.2
|
1.0
|
|
ND
|
A:HEM801
|
2.0
|
75.6
|
1.0
|
|
NA
|
A:HEM801
|
2.0
|
79.2
|
1.0
|
|
NB
|
A:HEM801
|
2.0
|
83.8
|
1.0
|
|
NE2
|
A:HIS331
|
2.1
|
75.3
|
1.0
|
|
NE2
|
A:HIS631
|
2.7
|
81.8
|
1.0
|
|
CD2
|
A:HIS331
|
2.9
|
74.0
|
1.0
|
|
C4D
|
A:HEM801
|
3.0
|
71.5
|
1.0
|
|
C1D
|
A:HEM801
|
3.1
|
76.3
|
1.0
|
|
C1C
|
A:HEM801
|
3.1
|
73.8
|
1.0
|
|
C1A
|
A:HEM801
|
3.1
|
75.8
|
1.0
|
|
C4C
|
A:HEM801
|
3.1
|
75.4
|
1.0
|
|
C4B
|
A:HEM801
|
3.1
|
79.1
|
1.0
|
|
C4A
|
A:HEM801
|
3.1
|
79.1
|
1.0
|
|
C1B
|
A:HEM801
|
3.1
|
82.0
|
1.0
|
|
CE1
|
A:HIS331
|
3.1
|
73.2
|
1.0
|
|
CHA
|
A:HEM801
|
3.4
|
70.5
|
1.0
|
|
CHC
|
A:HEM801
|
3.4
|
70.1
|
1.0
|
|
CHD
|
A:HEM801
|
3.4
|
75.1
|
1.0
|
|
CD2
|
A:HIS631
|
3.4
|
79.9
|
1.0
|
|
CHB
|
A:HEM801
|
3.4
|
79.4
|
1.0
|
|
CE1
|
A:HIS631
|
3.5
|
84.8
|
1.0
|
|
CG
|
A:HIS331
|
4.1
|
78.1
|
1.0
|
|
ND1
|
A:HIS331
|
4.2
|
79.7
|
1.0
|
|
C3D
|
A:HEM801
|
4.2
|
75.0
|
1.0
|
|
C2D
|
A:HEM801
|
4.3
|
75.7
|
1.0
|
|
C2C
|
A:HEM801
|
4.3
|
73.6
|
1.0
|
|
C2A
|
A:HEM801
|
4.3
|
78.2
|
1.0
|
|
C3A
|
A:HEM801
|
4.3
|
77.7
|
1.0
|
|
C3C
|
A:HEM801
|
4.3
|
73.1
|
1.0
|
|
C2B
|
A:HEM801
|
4.3
|
86.0
|
1.0
|
|
C3B
|
A:HEM801
|
4.3
|
85.3
|
1.0
|
|
CG
|
A:HIS631
|
4.4
|
77.8
|
1.0
|
|
ND1
|
A:HIS631
|
4.4
|
83.7
|
1.0
|
|
NE2
|
A:GLN296
|
4.8
|
74.1
|
1.0
|
|
NH2
|
A:ARG720
|
5.0
|
83.1
|
1.0
|
|
CA
|
A:GLY300
|
5.0
|
78.2
|
1.0
|
|
Iron binding site 2 out
of 4 in 32fi
Go back to
Iron Binding Sites List in 32fi
Iron binding site 2 out
of 4 in the Cryoem Structure of the E494A Quinol-Dependent Nitric Oxide Reductase
 Mono view
 Stereo pair view
|
|
A full contact list of Iron with other atoms in the Fe binding
site number 2 of Cryoem Structure of the E494A Quinol-Dependent Nitric Oxide Reductase within 5.0Å range:
|
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Fe802
b:114.9
occ:1.00
|
FE
|
A:HEM802
|
0.0
|
114.9
|
1.0
|
|
NE2
|
A:HIS629
|
2.0
|
90.7
|
1.0
|
|
NA
|
A:HEM802
|
2.0
|
93.8
|
1.0
|
|
ND
|
A:HEM802
|
2.0
|
94.4
|
1.0
|
|
NC
|
A:HEM802
|
2.0
|
102.2
|
1.0
|
|
NB
|
A:HEM802
|
2.0
|
100.5
|
1.0
|
|
O
|
A:HOH928
|
2.8
|
81.6
|
1.0
|
|
CD2
|
A:HIS629
|
2.8
|
88.7
|
1.0
|
|
C4D
|
A:HEM802
|
3.0
|
87.6
|
1.0
|
|
C1D
|
A:HEM802
|
3.0
|
95.1
|
1.0
|
|
C1A
|
A:HEM802
|
3.1
|
88.5
|
1.0
|
|
C4A
|
A:HEM802
|
3.1
|
88.3
|
1.0
|
|
C4C
|
A:HEM802
|
3.1
|
97.8
|
1.0
|
|
C1B
|
A:HEM802
|
3.1
|
94.2
|
1.0
|
|
C1C
|
A:HEM802
|
3.1
|
97.5
|
1.0
|
|
C4B
|
A:HEM802
|
3.1
|
97.5
|
1.0
|
|
CE1
|
A:HIS629
|
3.2
|
88.4
|
1.0
|
|
CHA
|
A:HEM802
|
3.4
|
86.6
|
1.0
|
|
CHD
|
A:HEM802
|
3.4
|
94.2
|
1.0
|
|
CHB
|
A:HEM802
|
3.4
|
84.7
|
1.0
|
|
CHC
|
A:HEM802
|
3.4
|
97.9
|
1.0
|
|
CG
|
A:HIS629
|
4.0
|
88.2
|
1.0
|
|
ND1
|
A:HIS629
|
4.2
|
90.6
|
1.0
|
|
C2D
|
A:HEM802
|
4.2
|
94.8
|
1.0
|
|
C3D
|
A:HEM802
|
4.2
|
84.0
|
1.0
|
|
C3A
|
A:HEM802
|
4.3
|
84.3
|
1.0
|
|
C2A
|
A:HEM802
|
4.3
|
88.8
|
1.0
|
|
C2B
|
A:HEM802
|
4.3
|
91.5
|
1.0
|
|
C2C
|
A:HEM802
|
4.3
|
99.4
|
1.0
|
|
C3C
|
A:HEM802
|
4.3
|
100.0
|
1.0
|
|
C3B
|
A:HEM802
|
4.3
|
90.6
|
1.0
|
|
NE2
|
A:HIS537
|
4.7
|
100.1
|
1.0
|
|
Iron binding site 3 out
of 4 in 32fi
Go back to
Iron Binding Sites List in 32fi
Iron binding site 3 out
of 4 in the Cryoem Structure of the E494A Quinol-Dependent Nitric Oxide Reductase
 Mono view
 Stereo pair view
|
|
A full contact list of Iron with other atoms in the Fe binding
site number 3 of Cryoem Structure of the E494A Quinol-Dependent Nitric Oxide Reductase within 5.0Å range:
|
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:Fe801
b:93.7
occ:1.00
|
FE
|
B:HEM801
|
0.0
|
93.7
|
1.0
|
|
NB
|
B:HEM801
|
2.0
|
76.7
|
1.0
|
|
ND
|
B:HEM801
|
2.0
|
78.1
|
1.0
|
|
NC
|
B:HEM801
|
2.0
|
76.8
|
1.0
|
|
NA
|
B:HEM801
|
2.0
|
73.0
|
1.0
|
|
NE2
|
B:HIS331
|
2.1
|
78.0
|
1.0
|
|
NE2
|
B:HIS631
|
2.7
|
80.7
|
1.0
|
|
CD2
|
B:HIS331
|
2.9
|
72.2
|
1.0
|
|
C4D
|
B:HEM801
|
3.1
|
72.9
|
1.0
|
|
C1D
|
B:HEM801
|
3.1
|
69.4
|
1.0
|
|
C1C
|
B:HEM801
|
3.1
|
71.9
|
1.0
|
|
C1B
|
B:HEM801
|
3.1
|
78.1
|
1.0
|
|
C4B
|
B:HEM801
|
3.1
|
74.5
|
1.0
|
|
C4A
|
B:HEM801
|
3.1
|
74.1
|
1.0
|
|
C4C
|
B:HEM801
|
3.1
|
71.8
|
1.0
|
|
C1A
|
B:HEM801
|
3.1
|
71.0
|
1.0
|
|
CE1
|
B:HIS331
|
3.2
|
76.7
|
1.0
|
|
CD2
|
B:HIS631
|
3.4
|
75.3
|
1.0
|
|
CHC
|
B:HEM801
|
3.4
|
72.0
|
1.0
|
|
CHD
|
B:HEM801
|
3.4
|
68.1
|
1.0
|
|
CHB
|
B:HEM801
|
3.4
|
75.2
|
1.0
|
|
CHA
|
B:HEM801
|
3.4
|
70.2
|
1.0
|
|
CE1
|
B:HIS631
|
3.4
|
83.9
|
1.0
|
|
CG
|
B:HIS331
|
4.1
|
77.6
|
1.0
|
|
ND1
|
B:HIS331
|
4.2
|
80.2
|
1.0
|
|
C3D
|
B:HEM801
|
4.3
|
72.4
|
1.0
|
|
C2D
|
B:HEM801
|
4.3
|
66.6
|
1.0
|
|
C3A
|
B:HEM801
|
4.3
|
69.9
|
1.0
|
|
C2B
|
B:HEM801
|
4.3
|
79.8
|
1.0
|
|
C2A
|
B:HEM801
|
4.3
|
68.8
|
1.0
|
|
C2C
|
B:HEM801
|
4.3
|
70.7
|
1.0
|
|
C3B
|
B:HEM801
|
4.3
|
79.0
|
1.0
|
|
C3C
|
B:HEM801
|
4.3
|
68.2
|
1.0
|
|
ND1
|
B:HIS631
|
4.3
|
82.2
|
1.0
|
|
CG
|
B:HIS631
|
4.3
|
74.5
|
1.0
|
|
NE2
|
B:GLN296
|
4.7
|
79.5
|
1.0
|
|
Iron binding site 4 out
of 4 in 32fi
Go back to
Iron Binding Sites List in 32fi
Iron binding site 4 out
of 4 in the Cryoem Structure of the E494A Quinol-Dependent Nitric Oxide Reductase
 Mono view
 Stereo pair view
|
|
A full contact list of Iron with other atoms in the Fe binding
site number 4 of Cryoem Structure of the E494A Quinol-Dependent Nitric Oxide Reductase within 5.0Å range:
|
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:Fe802
b:114.9
occ:1.00
|
FE
|
B:HEM802
|
0.0
|
114.9
|
1.0
|
|
NA
|
B:HEM802
|
2.0
|
89.5
|
1.0
|
|
ND
|
B:HEM802
|
2.1
|
88.3
|
1.0
|
|
NB
|
B:HEM802
|
2.1
|
93.0
|
1.0
|
|
NC
|
B:HEM802
|
2.1
|
100.3
|
1.0
|
|
O
|
B:HOH932
|
2.1
|
80.7
|
1.0
|
|
NE2
|
B:HIS629
|
2.6
|
93.2
|
1.0
|
|
C4D
|
B:HEM802
|
3.0
|
85.1
|
1.0
|
|
C1D
|
B:HEM802
|
3.1
|
90.4
|
1.0
|
|
C1A
|
B:HEM802
|
3.1
|
78.4
|
1.0
|
|
C4A
|
B:HEM802
|
3.1
|
85.6
|
1.0
|
|
C1B
|
B:HEM802
|
3.1
|
88.6
|
1.0
|
|
C4C
|
B:HEM802
|
3.1
|
96.2
|
1.0
|
|
C4B
|
B:HEM802
|
3.1
|
94.8
|
1.0
|
|
C1C
|
B:HEM802
|
3.1
|
101.7
|
1.0
|
|
CD2
|
B:HIS629
|
3.1
|
88.1
|
1.0
|
|
CHA
|
B:HEM802
|
3.4
|
84.6
|
1.0
|
|
CHD
|
B:HEM802
|
3.4
|
94.3
|
1.0
|
|
CHB
|
B:HEM802
|
3.4
|
88.4
|
1.0
|
|
CHC
|
B:HEM802
|
3.5
|
99.7
|
1.0
|
|
CE1
|
B:HIS629
|
3.9
|
97.2
|
1.0
|
|
C2D
|
B:HEM802
|
4.2
|
88.8
|
1.0
|
|
C3D
|
B:HEM802
|
4.2
|
83.9
|
1.0
|
|
C3A
|
B:HEM802
|
4.3
|
70.5
|
1.0
|
|
C2A
|
B:HEM802
|
4.3
|
70.6
|
1.0
|
|
C2B
|
B:HEM802
|
4.3
|
89.2
|
1.0
|
|
C3B
|
B:HEM802
|
4.3
|
91.1
|
1.0
|
|
C3C
|
B:HEM802
|
4.3
|
99.7
|
1.0
|
|
C2C
|
B:HEM802
|
4.3
|
100.8
|
1.0
|
|
CG
|
B:HIS629
|
4.4
|
88.0
|
1.0
|
|
NE2
|
B:HIS537
|
4.5
|
86.2
|
1.0
|
|
OE1
|
B:GLU490
|
4.6
|
116.0
|
1.0
|
|
ND1
|
B:HIS629
|
4.8
|
97.8
|
1.0
|
|
NE2
|
B:HIS538
|
4.8
|
89.5
|
1.0
|
|
CE1
|
B:HIS537
|
4.8
|
93.2
|
1.0
|
|
CE1
|
B:HIS538
|
4.9
|
86.0
|
1.0
|
|
Reference:
F.Khaja,
S.V.Antonyuk,
S.P.Muench,
S.S.Hsanain.
Cryo-Em Structure of the N600A Quinol-Dependent Nitric Oxide Reductase To Be Published.
Page generated: Sun Oct 4 10:38:48 2026
|