Zinc in PDB 6dxs: Crystal Structure of the Ligj Hydratase E284Q Mutant Substrate Complex with (3Z)-2-Keto-4-Carboxy-3-Hexenedioate
Enzymatic activity of Crystal Structure of the Ligj Hydratase E284Q Mutant Substrate Complex with (3Z)-2-Keto-4-Carboxy-3-Hexenedioate
All present enzymatic activity of Crystal Structure of the Ligj Hydratase E284Q Mutant Substrate Complex with (3Z)-2-Keto-4-Carboxy-3-Hexenedioate:
4.2.1.83;
Protein crystallography data
The structure of Crystal Structure of the Ligj Hydratase E284Q Mutant Substrate Complex with (3Z)-2-Keto-4-Carboxy-3-Hexenedioate, PDB code: 6dxs
was solved by
M.F.Mabanglo,
F.M.Raushel,
T.N.Hogancamp,
with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:
Resolution Low / High (Å)
|
43.63 /
1.65
|
Space group
|
P 1 21 1
|
Cell size a, b, c (Å), α, β, γ (°)
|
82.689,
78.253,
136.216,
90.00,
89.98,
90.00
|
R / Rfree (%)
|
20.2 /
26.6
|
Zinc Binding Sites:
The binding sites of Zinc atom in the Crystal Structure of the Ligj Hydratase E284Q Mutant Substrate Complex with (3Z)-2-Keto-4-Carboxy-3-Hexenedioate
(pdb code 6dxs). This binding sites where shown within
5.0 Angstroms radius around Zinc atom.
In total 4 binding sites of Zinc where determined in the
Crystal Structure of the Ligj Hydratase E284Q Mutant Substrate Complex with (3Z)-2-Keto-4-Carboxy-3-Hexenedioate, PDB code: 6dxs:
Jump to Zinc binding site number:
1;
2;
3;
4;
Zinc binding site 1 out
of 4 in 6dxs
Go back to
Zinc Binding Sites List in 6dxs
Zinc binding site 1 out
of 4 in the Crystal Structure of the Ligj Hydratase E284Q Mutant Substrate Complex with (3Z)-2-Keto-4-Carboxy-3-Hexenedioate
Mono view
Stereo pair view
|
A full contact list of Zinc with other atoms in the Zn binding
site number 1 of Crystal Structure of the Ligj Hydratase E284Q Mutant Substrate Complex with (3Z)-2-Keto-4-Carboxy-3-Hexenedioate within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Zn401
b:26.4
occ:1.00
|
NE2
|
A:HIS8
|
2.2
|
18.6
|
1.0
|
O01
|
A:HJ7402
|
2.3
|
33.3
|
1.0
|
O05
|
A:HJ7402
|
2.3
|
24.5
|
1.0
|
NE2
|
A:HIS178
|
2.4
|
20.7
|
1.0
|
NE2
|
A:HIS10
|
2.5
|
23.3
|
1.0
|
CE1
|
A:HIS8
|
2.8
|
18.6
|
1.0
|
CD2
|
A:HIS10
|
2.9
|
22.0
|
1.0
|
C02
|
A:HJ7402
|
3.0
|
32.5
|
1.0
|
C03
|
A:HJ7402
|
3.0
|
28.6
|
1.0
|
CE1
|
A:HIS178
|
3.2
|
21.9
|
1.0
|
CD2
|
A:HIS8
|
3.4
|
19.2
|
1.0
|
CD2
|
A:HIS178
|
3.5
|
22.5
|
1.0
|
CG
|
A:GLN284
|
3.7
|
23.9
|
1.0
|
CE1
|
A:HIS10
|
3.8
|
20.3
|
1.0
|
ND1
|
A:HIS8
|
4.0
|
20.5
|
1.0
|
CB
|
A:ALA72
|
4.1
|
20.8
|
1.0
|
CG
|
A:HIS10
|
4.2
|
22.7
|
1.0
|
O04
|
A:HJ7402
|
4.3
|
25.1
|
1.0
|
CG
|
A:HIS8
|
4.3
|
21.5
|
1.0
|
ND1
|
A:HIS178
|
4.4
|
22.5
|
1.0
|
NE2
|
A:GLN284
|
4.5
|
26.7
|
1.0
|
CG
|
A:HIS178
|
4.5
|
23.5
|
1.0
|
CD
|
A:GLN284
|
4.5
|
25.1
|
1.0
|
C06
|
A:HJ7402
|
4.5
|
33.2
|
1.0
|
ND1
|
A:HIS10
|
4.6
|
20.2
|
1.0
|
NE2
|
A:HIS223
|
4.6
|
22.2
|
1.0
|
CB
|
A:GLN284
|
4.8
|
19.5
|
1.0
|
CE2
|
A:TYR194
|
4.8
|
18.3
|
1.0
|
O10
|
A:HJ7402
|
5.0
|
35.3
|
1.0
|
|
Zinc binding site 2 out
of 4 in 6dxs
Go back to
Zinc Binding Sites List in 6dxs
Zinc binding site 2 out
of 4 in the Crystal Structure of the Ligj Hydratase E284Q Mutant Substrate Complex with (3Z)-2-Keto-4-Carboxy-3-Hexenedioate
Mono view
Stereo pair view
|
A full contact list of Zinc with other atoms in the Zn binding
site number 2 of Crystal Structure of the Ligj Hydratase E284Q Mutant Substrate Complex with (3Z)-2-Keto-4-Carboxy-3-Hexenedioate within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:Zn401
b:27.0
occ:1.00
|
NE2
|
B:HIS10
|
2.0
|
17.5
|
1.0
|
NE2
|
B:HIS8
|
2.1
|
20.9
|
1.0
|
O05
|
B:HJ7402
|
2.2
|
30.9
|
1.0
|
NE2
|
B:HIS178
|
2.2
|
22.0
|
1.0
|
O01
|
B:HJ7402
|
2.8
|
37.8
|
1.0
|
CD2
|
B:HIS178
|
2.8
|
22.4
|
1.0
|
CE1
|
B:HIS8
|
3.0
|
21.8
|
1.0
|
CD2
|
B:HIS10
|
3.0
|
17.5
|
1.0
|
CE1
|
B:HIS10
|
3.0
|
17.5
|
1.0
|
C03
|
B:HJ7402
|
3.1
|
33.0
|
1.0
|
CD2
|
B:HIS8
|
3.2
|
20.3
|
1.0
|
C02
|
B:HJ7402
|
3.3
|
33.5
|
1.0
|
CE1
|
B:HIS178
|
3.4
|
21.1
|
1.0
|
CG
|
B:GLN284
|
3.8
|
26.2
|
1.0
|
CG
|
B:HIS178
|
4.1
|
20.9
|
1.0
|
ND1
|
B:HIS10
|
4.1
|
21.5
|
1.0
|
CG
|
B:HIS10
|
4.1
|
19.2
|
1.0
|
ND1
|
B:HIS8
|
4.1
|
18.4
|
1.0
|
NE2
|
B:HIS223
|
4.2
|
18.1
|
1.0
|
O04
|
B:HJ7402
|
4.3
|
32.7
|
1.0
|
CG
|
B:HIS8
|
4.3
|
19.6
|
1.0
|
ND1
|
B:HIS178
|
4.3
|
20.6
|
1.0
|
CB
|
B:ALA72
|
4.3
|
25.4
|
1.0
|
CD
|
B:GLN284
|
4.5
|
31.2
|
1.0
|
C06
|
B:HJ7402
|
4.7
|
30.4
|
1.0
|
CE1
|
B:HIS223
|
4.7
|
18.3
|
1.0
|
OE1
|
B:GLN284
|
4.8
|
27.9
|
1.0
|
SD
|
B:MET176
|
4.9
|
18.6
|
1.0
|
CE2
|
B:TYR194
|
5.0
|
24.2
|
1.0
|
|
Zinc binding site 3 out
of 4 in 6dxs
Go back to
Zinc Binding Sites List in 6dxs
Zinc binding site 3 out
of 4 in the Crystal Structure of the Ligj Hydratase E284Q Mutant Substrate Complex with (3Z)-2-Keto-4-Carboxy-3-Hexenedioate
Mono view
Stereo pair view
|
A full contact list of Zinc with other atoms in the Zn binding
site number 3 of Crystal Structure of the Ligj Hydratase E284Q Mutant Substrate Complex with (3Z)-2-Keto-4-Carboxy-3-Hexenedioate within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
C:Zn401
b:30.4
occ:1.00
|
NE2
|
C:HIS8
|
2.0
|
20.9
|
1.0
|
CE1
|
C:HIS10
|
2.0
|
25.9
|
1.0
|
NE2
|
C:HIS10
|
2.3
|
25.7
|
1.0
|
NE2
|
C:HIS178
|
2.3
|
24.8
|
1.0
|
O05
|
C:HJ7402
|
2.7
|
22.7
|
1.0
|
O01
|
C:HJ7402
|
2.8
|
33.4
|
1.0
|
CE1
|
C:HIS8
|
2.9
|
22.9
|
1.0
|
CD2
|
C:HIS178
|
2.9
|
25.8
|
1.0
|
CD2
|
C:HIS8
|
3.1
|
23.1
|
1.0
|
ND1
|
C:HIS10
|
3.3
|
27.3
|
1.0
|
C03
|
C:HJ7402
|
3.4
|
25.6
|
1.0
|
CE1
|
C:HIS178
|
3.4
|
26.3
|
1.0
|
C02
|
C:HJ7402
|
3.5
|
31.2
|
1.0
|
CD2
|
C:HIS10
|
3.7
|
25.6
|
1.0
|
CG
|
C:GLN284
|
3.9
|
21.9
|
1.0
|
ND1
|
C:HIS8
|
4.0
|
20.1
|
1.0
|
CG
|
C:HIS178
|
4.1
|
25.3
|
1.0
|
CG
|
C:HIS10
|
4.1
|
26.4
|
1.0
|
CG
|
C:HIS8
|
4.1
|
23.7
|
1.0
|
ND1
|
C:HIS178
|
4.3
|
24.8
|
1.0
|
CB
|
C:ALA72
|
4.4
|
26.4
|
1.0
|
O04
|
C:HJ7402
|
4.5
|
26.6
|
1.0
|
NE2
|
C:HIS223
|
4.5
|
21.1
|
1.0
|
O
|
C:HOH505
|
4.7
|
29.5
|
1.0
|
CD
|
C:GLN284
|
4.7
|
24.2
|
1.0
|
SD
|
C:MET176
|
4.7
|
26.4
|
1.0
|
O
|
C:HOH530
|
4.9
|
27.3
|
1.0
|
C06
|
C:HJ7402
|
4.9
|
32.9
|
1.0
|
O10
|
C:HJ7402
|
5.0
|
29.8
|
1.0
|
CB
|
C:GLN284
|
5.0
|
20.8
|
1.0
|
|
Zinc binding site 4 out
of 4 in 6dxs
Go back to
Zinc Binding Sites List in 6dxs
Zinc binding site 4 out
of 4 in the Crystal Structure of the Ligj Hydratase E284Q Mutant Substrate Complex with (3Z)-2-Keto-4-Carboxy-3-Hexenedioate
Mono view
Stereo pair view
|
A full contact list of Zinc with other atoms in the Zn binding
site number 4 of Crystal Structure of the Ligj Hydratase E284Q Mutant Substrate Complex with (3Z)-2-Keto-4-Carboxy-3-Hexenedioate within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
D:Zn401
b:27.6
occ:1.00
|
O01
|
D:HJ7402
|
1.9
|
28.4
|
1.0
|
NE2
|
D:HIS8
|
2.4
|
23.3
|
1.0
|
NE2
|
D:HIS178
|
2.4
|
20.2
|
1.0
|
O04
|
D:HJ7402
|
2.4
|
22.0
|
1.0
|
C02
|
D:HJ7402
|
2.7
|
31.8
|
1.0
|
C03
|
D:HJ7402
|
2.9
|
26.8
|
1.0
|
NE2
|
D:HIS10
|
3.0
|
27.5
|
1.0
|
CE1
|
D:HIS8
|
3.2
|
21.9
|
1.0
|
CE1
|
D:HIS178
|
3.4
|
20.9
|
1.0
|
CD2
|
D:HIS178
|
3.4
|
19.6
|
1.0
|
CD2
|
D:HIS10
|
3.5
|
27.9
|
1.0
|
CD2
|
D:HIS8
|
3.5
|
22.0
|
1.0
|
CG
|
D:GLN284
|
3.8
|
24.7
|
1.0
|
CE1
|
D:HIS10
|
3.9
|
28.8
|
1.0
|
C06
|
D:HJ7402
|
4.2
|
31.6
|
1.0
|
O05
|
D:HJ7402
|
4.2
|
24.4
|
1.0
|
ND1
|
D:HIS8
|
4.4
|
22.8
|
1.0
|
O10
|
D:HJ7402
|
4.4
|
38.3
|
1.0
|
C08
|
D:HJ7402
|
4.5
|
37.0
|
1.0
|
CG
|
D:HIS10
|
4.5
|
25.8
|
1.0
|
ND1
|
D:HIS178
|
4.5
|
18.9
|
1.0
|
NE2
|
D:GLN284
|
4.5
|
28.4
|
1.0
|
CB
|
D:ALA72
|
4.5
|
26.1
|
1.0
|
CD
|
D:GLN284
|
4.5
|
27.0
|
1.0
|
CG
|
D:HIS8
|
4.5
|
18.0
|
1.0
|
CG
|
D:HIS178
|
4.5
|
21.0
|
1.0
|
ND1
|
D:HIS10
|
4.7
|
27.0
|
1.0
|
CB
|
D:GLN284
|
4.7
|
23.8
|
1.0
|
CE2
|
D:TYR194
|
4.7
|
18.8
|
1.0
|
NE2
|
D:HIS223
|
4.8
|
21.8
|
1.0
|
O09
|
D:HJ7402
|
4.8
|
39.2
|
1.0
|
O
|
D:HOH548
|
4.8
|
23.5
|
1.0
|
C07
|
D:HJ7402
|
4.8
|
31.6
|
1.0
|
H061
|
D:HJ7402
|
4.8
|
37.9
|
1.0
|
|
Reference:
T.N.Hogancamp,
M.F.Mabanglo,
F.M.Raushel.
Structure and Reaction Mechanism of the Ligj Hydratase: An Enzyme Critical For the Bacterial Degradation of Lignin in the Protocatechuate 4,5-Cleavage Pathway. Biochemistry V. 57 5841 2018.
ISSN: ISSN 1520-4995
PubMed: 30207699
DOI: 10.1021/ACS.BIOCHEM.8B00713
Page generated: Mon Oct 28 19:56:21 2024
|