Zinc in PDB 1p6b: X-Ray Structure of Phosphotriesterase, Triple Mutant H254G/H257W/L303T
Enzymatic activity of X-Ray Structure of Phosphotriesterase, Triple Mutant H254G/H257W/L303T
All present enzymatic activity of X-Ray Structure of Phosphotriesterase, Triple Mutant H254G/H257W/L303T:
3.1.8.1;
Protein crystallography data
The structure of X-Ray Structure of Phosphotriesterase, Triple Mutant H254G/H257W/L303T, PDB code: 1p6b
was solved by
C.M.Hill,
W.Li,
J.B.Thoden,
H.M.Holden,
F.M.Raushel,
with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:
Resolution Low / High (Å)
|
30.00 /
1.90
|
Space group
|
C 1 2 1
|
Cell size a, b, c (Å), α, β, γ (°)
|
130.400,
91.900,
69.700,
90.00,
90.90,
90.00
|
R / Rfree (%)
|
n/a /
n/a
|
Zinc Binding Sites:
The binding sites of Zinc atom in the X-Ray Structure of Phosphotriesterase, Triple Mutant H254G/H257W/L303T
(pdb code 1p6b). This binding sites where shown within
5.0 Angstroms radius around Zinc atom.
In total 6 binding sites of Zinc where determined in the
X-Ray Structure of Phosphotriesterase, Triple Mutant H254G/H257W/L303T, PDB code: 1p6b:
Jump to Zinc binding site number:
1;
2;
3;
4;
5;
6;
Zinc binding site 1 out
of 6 in 1p6b
Go back to
Zinc Binding Sites List in 1p6b
Zinc binding site 1 out
of 6 in the X-Ray Structure of Phosphotriesterase, Triple Mutant H254G/H257W/L303T
Mono view
Stereo pair view
|
A full contact list of Zinc with other atoms in the Zn binding
site number 1 of X-Ray Structure of Phosphotriesterase, Triple Mutant H254G/H257W/L303T within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Zn401
b:21.7
occ:1.00
|
NE2
|
A:HIS55
|
2.1
|
20.1
|
1.0
|
NE2
|
A:HIS57
|
2.1
|
15.0
|
1.0
|
O
|
A:HOH14
|
2.2
|
17.7
|
1.0
|
OQ1
|
A:KCX169
|
2.3
|
26.6
|
1.0
|
OD1
|
A:ASP301
|
2.4
|
30.3
|
1.0
|
CD2
|
A:HIS55
|
2.9
|
17.9
|
1.0
|
CE1
|
A:HIS57
|
3.0
|
20.2
|
1.0
|
CD2
|
A:HIS57
|
3.2
|
19.6
|
1.0
|
CG
|
A:ASP301
|
3.2
|
36.3
|
1.0
|
CE1
|
A:HIS55
|
3.2
|
21.0
|
1.0
|
CX
|
A:KCX169
|
3.3
|
18.8
|
1.0
|
OD2
|
A:ASP301
|
3.4
|
21.1
|
1.0
|
OQ2
|
A:KCX169
|
3.8
|
30.0
|
1.0
|
O
|
A:HOH15
|
4.0
|
22.6
|
1.0
|
CG
|
A:HIS55
|
4.1
|
24.5
|
1.0
|
CG2
|
A:VAL101
|
4.2
|
13.2
|
1.0
|
ZN
|
A:ZN402
|
4.2
|
23.1
|
1.0
|
ND1
|
A:HIS57
|
4.2
|
21.6
|
1.0
|
CE1
|
A:HIS230
|
4.2
|
25.6
|
1.0
|
ND1
|
A:HIS55
|
4.2
|
22.3
|
1.0
|
NZ
|
A:KCX169
|
4.3
|
19.5
|
1.0
|
CG
|
A:HIS57
|
4.3
|
11.9
|
1.0
|
CB
|
A:ASP301
|
4.5
|
15.5
|
1.0
|
NE2
|
A:HIS230
|
4.6
|
20.4
|
1.0
|
|
Zinc binding site 2 out
of 6 in 1p6b
Go back to
Zinc Binding Sites List in 1p6b
Zinc binding site 2 out
of 6 in the X-Ray Structure of Phosphotriesterase, Triple Mutant H254G/H257W/L303T
Mono view
Stereo pair view
|
A full contact list of Zinc with other atoms in the Zn binding
site number 2 of X-Ray Structure of Phosphotriesterase, Triple Mutant H254G/H257W/L303T within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Zn402
b:23.1
occ:1.00
|
OQ2
|
A:KCX169
|
1.8
|
30.0
|
1.0
|
O
|
A:HOH15
|
2.0
|
22.6
|
1.0
|
NE2
|
A:HIS230
|
2.0
|
20.4
|
1.0
|
ND1
|
A:HIS201
|
2.1
|
17.1
|
1.0
|
CX
|
A:KCX169
|
2.9
|
18.8
|
1.0
|
CE1
|
A:HIS230
|
3.0
|
25.6
|
1.0
|
CD2
|
A:HIS230
|
3.0
|
21.9
|
1.0
|
O
|
A:HOH14
|
3.1
|
17.7
|
1.0
|
CG
|
A:HIS201
|
3.1
|
24.2
|
1.0
|
CE1
|
A:HIS201
|
3.1
|
23.5
|
1.0
|
OQ1
|
A:KCX169
|
3.3
|
26.6
|
1.0
|
CB
|
A:HIS201
|
3.3
|
23.6
|
1.0
|
O
|
A:HOH464
|
3.7
|
50.5
|
1.0
|
NE1
|
A:TRP131
|
3.9
|
20.6
|
1.0
|
ND1
|
A:HIS230
|
4.1
|
26.5
|
1.0
|
CG
|
A:HIS230
|
4.1
|
20.4
|
1.0
|
ZN
|
A:ZN401
|
4.2
|
21.7
|
1.0
|
NZ
|
A:KCX169
|
4.2
|
19.5
|
1.0
|
NE2
|
A:HIS201
|
4.3
|
24.8
|
1.0
|
CD2
|
A:HIS201
|
4.3
|
25.3
|
1.0
|
CA
|
A:HIS201
|
4.3
|
16.5
|
1.0
|
CE1
|
A:HIS55
|
4.4
|
21.0
|
1.0
|
O
|
A:HOH528
|
4.5
|
47.1
|
1.0
|
NE2
|
A:HIS55
|
4.6
|
20.1
|
1.0
|
CD1
|
A:TRP131
|
4.6
|
26.1
|
1.0
|
CE
|
A:KCX169
|
4.6
|
29.1
|
1.0
|
|
Zinc binding site 3 out
of 6 in 1p6b
Go back to
Zinc Binding Sites List in 1p6b
Zinc binding site 3 out
of 6 in the X-Ray Structure of Phosphotriesterase, Triple Mutant H254G/H257W/L303T
Mono view
Stereo pair view
|
A full contact list of Zinc with other atoms in the Zn binding
site number 3 of X-Ray Structure of Phosphotriesterase, Triple Mutant H254G/H257W/L303T within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Zn406
b:28.5
occ:1.00
|
O
|
A:HOH16
|
2.0
|
22.5
|
1.0
|
OD1
|
A:ASP253
|
2.0
|
18.7
|
1.0
|
ND1
|
A:HIS230
|
2.1
|
26.5
|
1.0
|
O
|
A:HOH17
|
2.3
|
29.2
|
1.0
|
CE1
|
A:HIS230
|
3.0
|
25.6
|
1.0
|
CG
|
A:HIS230
|
3.2
|
20.4
|
1.0
|
CG
|
A:ASP253
|
3.2
|
28.6
|
1.0
|
CA
|
A:HIS230
|
3.4
|
19.1
|
1.0
|
CB
|
A:HIS230
|
3.6
|
16.0
|
1.0
|
OD2
|
A:ASP301
|
3.6
|
21.1
|
1.0
|
N
|
A:GLY254
|
3.8
|
21.8
|
1.0
|
OD2
|
A:ASP253
|
3.9
|
21.5
|
1.0
|
CA
|
A:GLY254
|
4.0
|
18.3
|
1.0
|
N
|
A:HIS230
|
4.1
|
20.6
|
1.0
|
OD1
|
A:ASP232
|
4.1
|
23.4
|
1.0
|
C
|
A:ASP253
|
4.1
|
20.9
|
1.0
|
NE2
|
A:HIS230
|
4.1
|
20.4
|
1.0
|
CD2
|
A:HIS230
|
4.2
|
21.9
|
1.0
|
OD1
|
A:ASP233
|
4.2
|
32.2
|
1.0
|
CB
|
A:ASP253
|
4.3
|
14.9
|
1.0
|
CB
|
A:ASP301
|
4.4
|
15.5
|
1.0
|
O
|
A:ASP253
|
4.4
|
19.2
|
1.0
|
CG
|
A:ASP301
|
4.4
|
36.3
|
1.0
|
OD2
|
A:ASP233
|
4.5
|
25.7
|
1.0
|
C
|
A:HIS230
|
4.6
|
23.5
|
1.0
|
CA
|
A:ASP253
|
4.6
|
18.3
|
1.0
|
CG
|
A:ASP233
|
4.7
|
45.1
|
1.0
|
N
|
A:ASP253
|
4.8
|
25.5
|
1.0
|
CG
|
A:ASP232
|
5.0
|
24.6
|
1.0
|
|
Zinc binding site 4 out
of 6 in 1p6b
Go back to
Zinc Binding Sites List in 1p6b
Zinc binding site 4 out
of 6 in the X-Ray Structure of Phosphotriesterase, Triple Mutant H254G/H257W/L303T
Mono view
Stereo pair view
|
A full contact list of Zinc with other atoms in the Zn binding
site number 4 of X-Ray Structure of Phosphotriesterase, Triple Mutant H254G/H257W/L303T within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:Zn403
b:19.2
occ:1.00
|
O
|
B:HOH11
|
2.0
|
17.3
|
1.0
|
NE2
|
B:HIS55
|
2.1
|
19.1
|
1.0
|
NE2
|
B:HIS57
|
2.1
|
10.3
|
1.0
|
OQ2
|
B:KCX169
|
2.1
|
24.8
|
1.0
|
OD1
|
B:ASP301
|
2.4
|
17.8
|
1.0
|
CD2
|
B:HIS55
|
3.0
|
21.3
|
1.0
|
CD2
|
B:HIS57
|
3.1
|
7.6
|
1.0
|
CE1
|
B:HIS55
|
3.1
|
15.1
|
1.0
|
CE1
|
B:HIS57
|
3.1
|
14.9
|
1.0
|
CX
|
B:KCX169
|
3.2
|
13.7
|
1.0
|
CG
|
B:ASP301
|
3.2
|
15.8
|
1.0
|
OD2
|
B:ASP301
|
3.4
|
18.5
|
1.0
|
O
|
B:HOH10
|
3.7
|
27.6
|
1.0
|
OQ1
|
B:KCX169
|
3.9
|
18.2
|
1.0
|
CG2
|
B:VAL101
|
4.1
|
10.5
|
1.0
|
NZ
|
B:KCX169
|
4.1
|
18.7
|
1.0
|
CG
|
B:HIS55
|
4.2
|
13.7
|
1.0
|
ND1
|
B:HIS55
|
4.2
|
12.5
|
1.0
|
CG
|
B:HIS57
|
4.2
|
10.6
|
1.0
|
ZN
|
B:ZN404
|
4.3
|
20.4
|
1.0
|
ND1
|
B:HIS57
|
4.3
|
16.2
|
1.0
|
CE1
|
B:HIS230
|
4.4
|
18.8
|
1.0
|
CB
|
B:ASP301
|
4.6
|
12.1
|
1.0
|
NE2
|
B:HIS230
|
4.6
|
16.7
|
1.0
|
O
|
B:HOH455
|
4.9
|
55.7
|
1.0
|
|
Zinc binding site 5 out
of 6 in 1p6b
Go back to
Zinc Binding Sites List in 1p6b
Zinc binding site 5 out
of 6 in the X-Ray Structure of Phosphotriesterase, Triple Mutant H254G/H257W/L303T
Mono view
Stereo pair view
|
A full contact list of Zinc with other atoms in the Zn binding
site number 5 of X-Ray Structure of Phosphotriesterase, Triple Mutant H254G/H257W/L303T within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:Zn404
b:20.4
occ:1.00
|
OQ1
|
B:KCX169
|
1.9
|
18.2
|
1.0
|
ND1
|
B:HIS201
|
2.0
|
18.8
|
1.0
|
NE2
|
B:HIS230
|
2.1
|
16.7
|
1.0
|
O
|
B:HOH10
|
2.7
|
27.6
|
1.0
|
CX
|
B:KCX169
|
2.9
|
13.7
|
1.0
|
CE1
|
B:HIS201
|
2.9
|
19.3
|
1.0
|
CD2
|
B:HIS230
|
3.1
|
23.5
|
1.0
|
CG
|
B:HIS201
|
3.1
|
18.0
|
1.0
|
O
|
B:HOH473
|
3.2
|
31.4
|
1.0
|
CE1
|
B:HIS230
|
3.2
|
18.8
|
1.0
|
O
|
B:HOH11
|
3.2
|
17.3
|
1.0
|
OQ2
|
B:KCX169
|
3.3
|
24.8
|
1.0
|
CB
|
B:HIS201
|
3.5
|
8.9
|
1.0
|
NE1
|
B:TRP131
|
3.9
|
19.8
|
1.0
|
NE2
|
B:HIS201
|
4.1
|
21.1
|
1.0
|
NZ
|
B:KCX169
|
4.2
|
18.7
|
1.0
|
CD2
|
B:HIS201
|
4.2
|
21.4
|
1.0
|
CG
|
B:HIS230
|
4.2
|
20.0
|
1.0
|
ZN
|
B:ZN403
|
4.3
|
19.2
|
1.0
|
ND1
|
B:HIS230
|
4.3
|
21.2
|
1.0
|
CA
|
B:HIS201
|
4.5
|
15.2
|
1.0
|
O
|
B:HOH531
|
4.5
|
58.5
|
1.0
|
CE
|
B:KCX169
|
4.5
|
12.8
|
1.0
|
CE1
|
B:HIS55
|
4.6
|
15.1
|
1.0
|
CD1
|
B:TRP131
|
4.6
|
20.4
|
1.0
|
NE2
|
B:HIS55
|
4.8
|
19.1
|
1.0
|
|
Zinc binding site 6 out
of 6 in 1p6b
Go back to
Zinc Binding Sites List in 1p6b
Zinc binding site 6 out
of 6 in the X-Ray Structure of Phosphotriesterase, Triple Mutant H254G/H257W/L303T
Mono view
Stereo pair view
|
A full contact list of Zinc with other atoms in the Zn binding
site number 6 of X-Ray Structure of Phosphotriesterase, Triple Mutant H254G/H257W/L303T within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:Zn405
b:25.1
occ:1.00
|
OD1
|
B:ASP253
|
2.0
|
21.6
|
1.0
|
ND1
|
B:HIS230
|
2.0
|
21.2
|
1.0
|
O
|
B:HOH13
|
2.0
|
20.7
|
1.0
|
O
|
B:HOH12
|
2.1
|
16.9
|
1.0
|
CE1
|
B:HIS230
|
2.7
|
18.8
|
1.0
|
CG
|
B:ASP253
|
3.1
|
21.3
|
1.0
|
CG
|
B:HIS230
|
3.2
|
20.0
|
1.0
|
CA
|
B:HIS230
|
3.5
|
22.5
|
1.0
|
O
|
B:HOH477
|
3.6
|
49.3
|
1.0
|
OD2
|
B:ASP301
|
3.6
|
18.5
|
1.0
|
CB
|
B:HIS230
|
3.8
|
16.9
|
1.0
|
OD2
|
B:ASP253
|
3.8
|
16.9
|
1.0
|
N
|
B:GLY254
|
3.8
|
22.7
|
1.0
|
OD1
|
B:ASP232
|
3.9
|
23.5
|
1.0
|
NE2
|
B:HIS230
|
4.0
|
16.7
|
1.0
|
N
|
B:HIS230
|
4.1
|
12.0
|
1.0
|
CA
|
B:GLY254
|
4.1
|
21.4
|
1.0
|
C
|
B:ASP253
|
4.1
|
27.0
|
1.0
|
CD2
|
B:HIS230
|
4.2
|
23.5
|
1.0
|
CB
|
B:ASP253
|
4.3
|
21.1
|
1.0
|
OD1
|
B:ASP233
|
4.4
|
20.9
|
1.0
|
CG
|
B:ASP301
|
4.4
|
15.8
|
1.0
|
CB
|
B:ASP301
|
4.4
|
12.1
|
1.0
|
O
|
B:ASP253
|
4.5
|
20.0
|
1.0
|
CA
|
B:ASP253
|
4.6
|
21.6
|
1.0
|
OD2
|
B:ASP233
|
4.6
|
19.9
|
1.0
|
C
|
B:HIS230
|
4.7
|
19.7
|
1.0
|
CG
|
B:ASP233
|
4.8
|
21.0
|
1.0
|
N
|
B:ASP253
|
4.8
|
19.5
|
1.0
|
CG
|
B:ASP232
|
4.9
|
23.0
|
1.0
|
|
Reference:
C.M.Hill,
W.S.Li,
J.B.Thoden,
H.M.Holden,
F.M.Raushel.
Enhanced Degradation of Chemical Warfare Agents Through Molecular Engineering of the Phosphotriesterase Active Site. J.Am.Chem.Soc. V. 125 8990 2003.
ISSN: ISSN 0002-7863
PubMed: 15369336
DOI: 10.1021/JA0358798
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