Iron in PDB 3eck: Structure of E323L Homoprotocatechuate 2,3-Dioxygenase From Brevibacterium Fuscum in Complex with Putative O-O Bond Cleavage Intermediate Formed Via in Crystallo Reaction with 4-Sulfonyl Catechol at Low Oxygen Concentrations
Enzymatic activity of Structure of E323L Homoprotocatechuate 2,3-Dioxygenase From Brevibacterium Fuscum in Complex with Putative O-O Bond Cleavage Intermediate Formed Via in Crystallo Reaction with 4-Sulfonyl Catechol at Low Oxygen Concentrations
All present enzymatic activity of Structure of E323L Homoprotocatechuate 2,3-Dioxygenase From Brevibacterium Fuscum in Complex with Putative O-O Bond Cleavage Intermediate Formed Via in Crystallo Reaction with 4-Sulfonyl Catechol at Low Oxygen Concentrations:
1.13.11.15;
Protein crystallography data
The structure of Structure of E323L Homoprotocatechuate 2,3-Dioxygenase From Brevibacterium Fuscum in Complex with Putative O-O Bond Cleavage Intermediate Formed Via in Crystallo Reaction with 4-Sulfonyl Catechol at Low Oxygen Concentrations, PDB code: 3eck
was solved by
E.G.Kovaleva,
J.D.Lipscomb,
with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:
Resolution Low / High (Å)
|
24.20 /
1.60
|
Space group
|
P 21 21 2
|
Cell size a, b, c (Å), α, β, γ (°)
|
110.735,
163.176,
101.373,
90.00,
90.00,
90.00
|
R / Rfree (%)
|
17.4 /
19.8
|
Other elements in 3eck:
The structure of Structure of E323L Homoprotocatechuate 2,3-Dioxygenase From Brevibacterium Fuscum in Complex with Putative O-O Bond Cleavage Intermediate Formed Via in Crystallo Reaction with 4-Sulfonyl Catechol at Low Oxygen Concentrations also contains other interesting chemical elements:
Iron Binding Sites:
The binding sites of Iron atom in the Structure of E323L Homoprotocatechuate 2,3-Dioxygenase From Brevibacterium Fuscum in Complex with Putative O-O Bond Cleavage Intermediate Formed Via in Crystallo Reaction with 4-Sulfonyl Catechol at Low Oxygen Concentrations
(pdb code 3eck). This binding sites where shown within
5.0 Angstroms radius around Iron atom.
In total 4 binding sites of Iron where determined in the
Structure of E323L Homoprotocatechuate 2,3-Dioxygenase From Brevibacterium Fuscum in Complex with Putative O-O Bond Cleavage Intermediate Formed Via in Crystallo Reaction with 4-Sulfonyl Catechol at Low Oxygen Concentrations, PDB code: 3eck:
Jump to Iron binding site number:
1;
2;
3;
4;
Iron binding site 1 out
of 4 in 3eck
Go back to
Iron Binding Sites List in 3eck
Iron binding site 1 out
of 4 in the Structure of E323L Homoprotocatechuate 2,3-Dioxygenase From Brevibacterium Fuscum in Complex with Putative O-O Bond Cleavage Intermediate Formed Via in Crystallo Reaction with 4-Sulfonyl Catechol at Low Oxygen Concentrations
 Mono view
 Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 1 of Structure of E323L Homoprotocatechuate 2,3-Dioxygenase From Brevibacterium Fuscum in Complex with Putative O-O Bond Cleavage Intermediate Formed Via in Crystallo Reaction with 4-Sulfonyl Catechol at Low Oxygen Concentrations within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Fe500
b:14.9
occ:1.00
|
OE1
|
A:GLU267
|
2.1
|
14.1
|
1.0
|
NE2
|
A:HIS214
|
2.2
|
14.8
|
1.0
|
O
|
A:HOH826
|
2.2
|
14.8
|
1.0
|
O
|
A:HOH827
|
2.2
|
16.2
|
1.0
|
NE2
|
A:HIS155
|
2.2
|
14.4
|
1.0
|
O
|
A:HOH828
|
2.3
|
17.5
|
1.0
|
CE1
|
A:HIS214
|
3.1
|
13.9
|
1.0
|
CE1
|
A:HIS155
|
3.1
|
13.4
|
1.0
|
CD
|
A:GLU267
|
3.2
|
14.8
|
1.0
|
CD2
|
A:HIS214
|
3.2
|
14.8
|
1.0
|
CD2
|
A:HIS155
|
3.3
|
14.7
|
1.0
|
OE2
|
A:GLU267
|
3.7
|
15.9
|
1.0
|
NE2
|
A:HIS200
|
3.8
|
15.5
|
1.0
|
OH
|
A:TYR257
|
4.1
|
14.0
|
1.0
|
ND1
|
A:HIS214
|
4.2
|
14.1
|
1.0
|
ND1
|
A:HIS155
|
4.2
|
13.0
|
1.0
|
CG
|
A:HIS214
|
4.3
|
12.4
|
1.0
|
CG
|
A:HIS155
|
4.3
|
14.5
|
1.0
|
ND2
|
A:ASN157
|
4.4
|
17.0
|
1.0
|
CG
|
A:GLU267
|
4.4
|
12.2
|
1.0
|
O
|
A:HOH829
|
4.5
|
19.6
|
1.0
|
CE1
|
A:HIS200
|
4.5
|
16.4
|
1.0
|
CE1
|
A:TYR257
|
4.5
|
13.7
|
1.0
|
CB
|
A:GLU267
|
4.5
|
13.1
|
1.0
|
CB
|
A:ALA216
|
4.6
|
13.3
|
1.0
|
CB
|
A:ASN157
|
4.6
|
14.4
|
1.0
|
CZ
|
A:TYR257
|
4.8
|
11.7
|
1.0
|
CD2
|
A:HIS200
|
4.9
|
16.9
|
1.0
|
CD1
|
A:TYR269
|
4.9
|
17.2
|
1.0
|
CG
|
A:ASN157
|
5.0
|
16.8
|
1.0
|
|
Iron binding site 2 out
of 4 in 3eck
Go back to
Iron Binding Sites List in 3eck
Iron binding site 2 out
of 4 in the Structure of E323L Homoprotocatechuate 2,3-Dioxygenase From Brevibacterium Fuscum in Complex with Putative O-O Bond Cleavage Intermediate Formed Via in Crystallo Reaction with 4-Sulfonyl Catechol at Low Oxygen Concentrations
 Mono view
 Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 2 of Structure of E323L Homoprotocatechuate 2,3-Dioxygenase From Brevibacterium Fuscum in Complex with Putative O-O Bond Cleavage Intermediate Formed Via in Crystallo Reaction with 4-Sulfonyl Catechol at Low Oxygen Concentrations within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:Fe500
b:14.1
occ:1.00
|
OE1
|
B:GLU267
|
2.0
|
13.9
|
1.0
|
O
|
B:HOH849
|
2.2
|
14.1
|
1.0
|
NE2
|
B:HIS155
|
2.2
|
14.4
|
1.0
|
NE2
|
B:HIS214
|
2.2
|
13.4
|
1.0
|
O
|
B:HOH850
|
2.3
|
16.3
|
1.0
|
O
|
B:HOH851
|
2.3
|
16.0
|
1.0
|
CE1
|
B:HIS214
|
3.1
|
12.2
|
1.0
|
CD
|
B:GLU267
|
3.1
|
14.1
|
1.0
|
CE1
|
B:HIS155
|
3.1
|
12.6
|
1.0
|
CD2
|
B:HIS155
|
3.2
|
14.2
|
1.0
|
CD2
|
B:HIS214
|
3.3
|
12.6
|
1.0
|
OE2
|
B:GLU267
|
3.6
|
12.8
|
1.0
|
NE2
|
B:HIS200
|
3.8
|
16.5
|
1.0
|
OH
|
B:TYR257
|
4.1
|
13.0
|
1.0
|
ND1
|
B:HIS214
|
4.2
|
12.9
|
1.0
|
ND1
|
B:HIS155
|
4.3
|
12.4
|
1.0
|
CG
|
B:HIS155
|
4.3
|
13.8
|
1.0
|
CG
|
B:HIS214
|
4.4
|
12.2
|
1.0
|
CG
|
B:GLU267
|
4.4
|
12.5
|
1.0
|
ND2
|
B:ASN157
|
4.4
|
15.8
|
1.0
|
CB
|
B:GLU267
|
4.5
|
13.0
|
1.0
|
CE1
|
B:HIS200
|
4.5
|
17.1
|
1.0
|
CE1
|
B:TYR257
|
4.5
|
12.3
|
1.0
|
O
|
B:HOH852
|
4.5
|
18.2
|
1.0
|
CB
|
B:ALA216
|
4.6
|
12.3
|
1.0
|
CB
|
B:ASN157
|
4.7
|
13.8
|
1.0
|
CZ
|
B:TYR257
|
4.8
|
13.0
|
1.0
|
CD2
|
B:HIS200
|
4.9
|
15.9
|
1.0
|
CD1
|
B:TYR269
|
5.0
|
14.1
|
1.0
|
|
Iron binding site 3 out
of 4 in 3eck
Go back to
Iron Binding Sites List in 3eck
Iron binding site 3 out
of 4 in the Structure of E323L Homoprotocatechuate 2,3-Dioxygenase From Brevibacterium Fuscum in Complex with Putative O-O Bond Cleavage Intermediate Formed Via in Crystallo Reaction with 4-Sulfonyl Catechol at Low Oxygen Concentrations
 Mono view
 Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 3 of Structure of E323L Homoprotocatechuate 2,3-Dioxygenase From Brevibacterium Fuscum in Complex with Putative O-O Bond Cleavage Intermediate Formed Via in Crystallo Reaction with 4-Sulfonyl Catechol at Low Oxygen Concentrations within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
C:Fe500
b:13.7
occ:1.00
|
OE1
|
C:GLU267
|
2.0
|
14.9
|
1.0
|
O7
|
C:XXG502
|
2.2
|
18.1
|
0.8
|
NE2
|
C:HIS155
|
2.2
|
12.2
|
1.0
|
NE2
|
C:HIS214
|
2.2
|
12.7
|
1.0
|
O8
|
C:XXG502
|
2.2
|
13.5
|
0.8
|
O
|
C:HOH798
|
2.3
|
14.0
|
1.0
|
C1
|
C:XXG502
|
2.9
|
19.4
|
0.8
|
C2
|
C:XXG502
|
2.9
|
18.9
|
0.8
|
CE1
|
C:HIS214
|
3.1
|
12.3
|
1.0
|
CE1
|
C:HIS155
|
3.1
|
11.9
|
1.0
|
CD
|
C:GLU267
|
3.1
|
11.0
|
1.0
|
CD2
|
C:HIS155
|
3.2
|
12.7
|
1.0
|
CD2
|
C:HIS214
|
3.2
|
13.3
|
1.0
|
OE2
|
C:GLU267
|
3.5
|
15.2
|
1.0
|
O13
|
C:XXG502
|
3.6
|
24.1
|
0.8
|
NE2
|
C:HIS200
|
3.8
|
15.2
|
1.0
|
OH
|
C:TYR257
|
4.1
|
13.1
|
1.0
|
ND1
|
C:HIS214
|
4.2
|
11.8
|
1.0
|
ND1
|
C:HIS155
|
4.2
|
11.4
|
1.0
|
C6
|
C:XXG502
|
4.2
|
15.8
|
0.8
|
C3
|
C:XXG502
|
4.3
|
22.3
|
0.8
|
CG
|
C:HIS155
|
4.3
|
13.4
|
1.0
|
CG
|
C:HIS214
|
4.3
|
12.9
|
1.0
|
CG
|
C:GLU267
|
4.4
|
11.6
|
1.0
|
CE1
|
C:HIS200
|
4.5
|
16.2
|
1.0
|
ND2
|
C:ASN157
|
4.5
|
17.5
|
1.0
|
CE1
|
C:TYR257
|
4.5
|
10.7
|
1.0
|
CB
|
C:GLU267
|
4.5
|
11.3
|
1.0
|
CB
|
C:ALA216
|
4.6
|
11.5
|
1.0
|
CB
|
C:ASN157
|
4.7
|
13.1
|
1.0
|
CZ
|
C:TYR257
|
4.8
|
11.3
|
1.0
|
CD1
|
C:TYR269
|
4.8
|
15.7
|
1.0
|
CE1
|
C:TYR269
|
4.9
|
15.7
|
1.0
|
CD2
|
C:HIS200
|
5.0
|
17.1
|
1.0
|
|
Iron binding site 4 out
of 4 in 3eck
Go back to
Iron Binding Sites List in 3eck
Iron binding site 4 out
of 4 in the Structure of E323L Homoprotocatechuate 2,3-Dioxygenase From Brevibacterium Fuscum in Complex with Putative O-O Bond Cleavage Intermediate Formed Via in Crystallo Reaction with 4-Sulfonyl Catechol at Low Oxygen Concentrations
 Mono view
 Stereo pair view
|
A full contact list of Iron with other atoms in the Fe binding
site number 4 of Structure of E323L Homoprotocatechuate 2,3-Dioxygenase From Brevibacterium Fuscum in Complex with Putative O-O Bond Cleavage Intermediate Formed Via in Crystallo Reaction with 4-Sulfonyl Catechol at Low Oxygen Concentrations within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
D:Fe500
b:11.5
occ:1.00
|
OE1
|
D:GLU267
|
2.0
|
12.7
|
1.0
|
O7
|
D:XXG502
|
2.2
|
10.8
|
0.7
|
NE2
|
D:HIS155
|
2.2
|
10.2
|
1.0
|
O8
|
D:XXG502
|
2.2
|
6.7
|
0.7
|
NE2
|
D:HIS214
|
2.2
|
11.4
|
1.0
|
O
|
D:HOH820
|
2.3
|
13.3
|
1.0
|
C1
|
D:XXG502
|
2.9
|
14.6
|
0.7
|
C2
|
D:XXG502
|
2.9
|
12.5
|
0.7
|
CE1
|
D:HIS155
|
3.0
|
9.8
|
1.0
|
CD
|
D:GLU267
|
3.1
|
10.5
|
1.0
|
CE1
|
D:HIS214
|
3.1
|
9.0
|
1.0
|
CD2
|
D:HIS214
|
3.2
|
10.2
|
1.0
|
CD2
|
D:HIS155
|
3.2
|
11.7
|
1.0
|
O13
|
D:XXG502
|
3.5
|
16.8
|
0.7
|
OE2
|
D:GLU267
|
3.5
|
12.5
|
1.0
|
NE2
|
D:HIS200
|
3.8
|
13.7
|
1.0
|
OH
|
D:TYR257
|
4.1
|
10.8
|
1.0
|
ND1
|
D:HIS155
|
4.2
|
10.7
|
1.0
|
C3
|
D:XXG502
|
4.3
|
15.9
|
0.7
|
ND1
|
D:HIS214
|
4.3
|
9.3
|
1.0
|
C6
|
D:XXG502
|
4.3
|
10.1
|
0.7
|
CG
|
D:HIS155
|
4.3
|
10.4
|
1.0
|
CG
|
D:HIS214
|
4.3
|
9.2
|
1.0
|
CG
|
D:GLU267
|
4.4
|
10.0
|
1.0
|
CE1
|
D:HIS200
|
4.5
|
14.1
|
1.0
|
CB
|
D:GLU267
|
4.5
|
9.9
|
1.0
|
ND2
|
D:ASN157
|
4.5
|
13.7
|
1.0
|
CE1
|
D:TYR257
|
4.6
|
9.8
|
1.0
|
CB
|
D:ALA216
|
4.6
|
10.1
|
1.0
|
CB
|
D:ASN157
|
4.7
|
10.5
|
1.0
|
CZ
|
D:TYR257
|
4.8
|
9.0
|
1.0
|
CD1
|
D:TYR269
|
4.8
|
12.6
|
1.0
|
CE1
|
D:TYR269
|
4.9
|
12.3
|
1.0
|
CD2
|
D:HIS200
|
5.0
|
13.7
|
1.0
|
|
Reference:
E.G.Kovaleva,
J.D.Lipscomb.
Intermediate in the O-O Bond Cleavage Reaction of An Extradiol Dioxygenase. Biochemistry V. 47 11168 2008.
ISSN: ISSN 0006-2960
PubMed: 18826259
DOI: 10.1021/BI801459Q
Page generated: Sun Aug 4 09:42:04 2024
|