Magnesium in PDB 1xs4: Dctp Deaminase From Escherichia Coli- E138A Mutant Enzyme in Complex with Dctp
Enzymatic activity of Dctp Deaminase From Escherichia Coli- E138A Mutant Enzyme in Complex with Dctp
All present enzymatic activity of Dctp Deaminase From Escherichia Coli- E138A Mutant Enzyme in Complex with Dctp:
3.5.4.13;
Protein crystallography data
The structure of Dctp Deaminase From Escherichia Coli- E138A Mutant Enzyme in Complex with Dctp, PDB code: 1xs4
was solved by
E.Johansson,
M.Fano,
J.H.Bynck,
J.Neuhard,
S.Larsen,
B.W.Sigurskjold,
U.Christensen,
M.Willemoes,
with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:
Resolution Low / High (Å)
|
30.00 /
2.53
|
Space group
|
P 1 21 1
|
Cell size a, b, c (Å), α, β, γ (°)
|
63.272,
97.882,
95.116,
90.00,
109.23,
90.00
|
R / Rfree (%)
|
18.5 /
22.5
|
Magnesium Binding Sites:
The binding sites of Magnesium atom in the Dctp Deaminase From Escherichia Coli- E138A Mutant Enzyme in Complex with Dctp
(pdb code 1xs4). This binding sites where shown within
5.0 Angstroms radius around Magnesium atom.
In total 6 binding sites of Magnesium where determined in the
Dctp Deaminase From Escherichia Coli- E138A Mutant Enzyme in Complex with Dctp, PDB code: 1xs4:
Jump to Magnesium binding site number:
1;
2;
3;
4;
5;
6;
Magnesium binding site 1 out
of 6 in 1xs4
Go back to
Magnesium Binding Sites List in 1xs4
Magnesium binding site 1 out
of 6 in the Dctp Deaminase From Escherichia Coli- E138A Mutant Enzyme in Complex with Dctp
Mono view
Stereo pair view
|
A full contact list of Magnesium with other atoms in the Mg binding
site number 1 of Dctp Deaminase From Escherichia Coli- E138A Mutant Enzyme in Complex with Dctp within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Mg2195
b:23.5
occ:1.00
|
O1A
|
B:DCP2194
|
2.0
|
12.0
|
1.0
|
O3G
|
B:DCP2194
|
2.0
|
13.6
|
1.0
|
O2B
|
B:DCP2194
|
2.1
|
14.4
|
1.0
|
O
|
A:HOH2222
|
2.2
|
13.2
|
1.0
|
O
|
B:HOH3221
|
2.2
|
8.4
|
1.0
|
PB
|
B:DCP2194
|
3.2
|
13.9
|
1.0
|
PA
|
B:DCP2194
|
3.3
|
12.0
|
1.0
|
PG
|
B:DCP2194
|
3.3
|
16.8
|
1.0
|
O3B
|
B:DCP2194
|
3.6
|
16.1
|
1.0
|
O3A
|
B:DCP2194
|
3.7
|
13.8
|
1.0
|
O
|
B:HOH3226
|
3.8
|
10.8
|
1.0
|
OD1
|
A:ASP34
|
4.1
|
21.9
|
1.0
|
O1G
|
B:DCP2194
|
4.1
|
15.3
|
1.0
|
O2A
|
B:DCP2194
|
4.1
|
13.2
|
1.0
|
O
|
B:HOH3222
|
4.2
|
7.8
|
1.0
|
NH2
|
B:ARG126
|
4.2
|
15.5
|
1.0
|
NE
|
A:ARG110
|
4.3
|
15.0
|
1.0
|
NH1
|
B:ARG174
|
4.4
|
27.7
|
1.0
|
O5'
|
B:DCP2194
|
4.5
|
14.9
|
1.0
|
O2G
|
B:DCP2194
|
4.5
|
13.8
|
1.0
|
NH2
|
A:ARG110
|
4.5
|
14.8
|
1.0
|
O1B
|
B:DCP2194
|
4.6
|
12.3
|
1.0
|
C5'
|
B:DCP2194
|
4.6
|
16.1
|
1.0
|
NH2
|
B:ARG174
|
4.7
|
34.3
|
1.0
|
O
|
A:HOH2227
|
4.8
|
9.9
|
1.0
|
CZ
|
A:ARG110
|
4.9
|
15.8
|
1.0
|
CG
|
A:ASP34
|
5.0
|
18.7
|
1.0
|
OD2
|
A:ASP34
|
5.0
|
21.8
|
1.0
|
|
Magnesium binding site 2 out
of 6 in 1xs4
Go back to
Magnesium Binding Sites List in 1xs4
Magnesium binding site 2 out
of 6 in the Dctp Deaminase From Escherichia Coli- E138A Mutant Enzyme in Complex with Dctp
Mono view
Stereo pair view
|
A full contact list of Magnesium with other atoms in the Mg binding
site number 2 of Dctp Deaminase From Escherichia Coli- E138A Mutant Enzyme in Complex with Dctp within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:Mg3195
b:24.3
occ:1.00
|
O1A
|
C:DCP3194
|
2.0
|
12.2
|
1.0
|
O3G
|
C:DCP3194
|
2.1
|
13.1
|
1.0
|
O2B
|
C:DCP3194
|
2.1
|
14.0
|
1.0
|
O
|
B:HOH3219
|
2.5
|
13.6
|
1.0
|
PB
|
C:DCP3194
|
3.2
|
13.9
|
1.0
|
PA
|
C:DCP3194
|
3.3
|
12.2
|
1.0
|
PG
|
C:DCP3194
|
3.3
|
15.4
|
1.0
|
O3B
|
C:DCP3194
|
3.6
|
15.5
|
1.0
|
O3A
|
C:DCP3194
|
3.7
|
13.6
|
1.0
|
O
|
C:HOH3220
|
3.7
|
16.6
|
1.0
|
OD1
|
B:ASP34
|
4.0
|
21.6
|
1.0
|
O1G
|
C:DCP3194
|
4.1
|
15.4
|
1.0
|
NH2
|
C:ARG126
|
4.2
|
16.1
|
1.0
|
O2A
|
C:DCP3194
|
4.2
|
13.6
|
1.0
|
O
|
C:HOH3206
|
4.2
|
8.6
|
1.0
|
NE
|
B:ARG110
|
4.3
|
14.8
|
1.0
|
NH2
|
B:ARG110
|
4.4
|
14.4
|
1.0
|
O5'
|
C:DCP3194
|
4.5
|
14.9
|
1.0
|
O2G
|
C:DCP3194
|
4.6
|
13.4
|
1.0
|
NH1
|
C:ARG174
|
4.6
|
24.4
|
1.0
|
O1B
|
C:DCP3194
|
4.6
|
12.0
|
1.0
|
C5'
|
C:DCP3194
|
4.6
|
16.2
|
1.0
|
OD2
|
B:ASP34
|
4.7
|
22.0
|
1.0
|
NH2
|
C:ARG174
|
4.8
|
31.1
|
1.0
|
CG
|
B:ASP34
|
4.8
|
18.7
|
1.0
|
CZ
|
B:ARG110
|
4.9
|
15.8
|
1.0
|
|
Magnesium binding site 3 out
of 6 in 1xs4
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Magnesium Binding Sites List in 1xs4
Magnesium binding site 3 out
of 6 in the Dctp Deaminase From Escherichia Coli- E138A Mutant Enzyme in Complex with Dctp
Mono view
Stereo pair view
|
A full contact list of Magnesium with other atoms in the Mg binding
site number 3 of Dctp Deaminase From Escherichia Coli- E138A Mutant Enzyme in Complex with Dctp within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
C:Mg1195
b:24.1
occ:1.00
|
O2B
|
A:DCP1194
|
1.9
|
14.1
|
1.0
|
O3G
|
A:DCP1194
|
1.9
|
13.5
|
1.0
|
O1A
|
A:DCP1194
|
1.9
|
12.0
|
1.0
|
O
|
A:HOH2223
|
2.0
|
13.9
|
1.0
|
O
|
A:HOH2200
|
2.2
|
7.3
|
1.0
|
PB
|
A:DCP1194
|
3.1
|
14.1
|
1.0
|
PG
|
A:DCP1194
|
3.2
|
16.4
|
1.0
|
PA
|
A:DCP1194
|
3.3
|
11.1
|
1.0
|
O3B
|
A:DCP1194
|
3.5
|
15.7
|
1.0
|
O3A
|
A:DCP1194
|
3.6
|
14.2
|
1.0
|
O
|
A:HOH2231
|
3.9
|
13.2
|
1.0
|
O
|
A:HOH2225
|
3.9
|
12.2
|
1.0
|
O1G
|
A:DCP1194
|
3.9
|
15.1
|
1.0
|
OD1
|
C:ASP34
|
4.1
|
21.5
|
1.0
|
NE
|
C:ARG110
|
4.1
|
14.4
|
1.0
|
O2A
|
A:DCP1194
|
4.2
|
13.6
|
1.0
|
NH2
|
A:ARG126
|
4.2
|
16.0
|
1.0
|
O
|
A:HOH2226
|
4.3
|
7.0
|
1.0
|
NH2
|
C:ARG110
|
4.3
|
15.2
|
1.0
|
O2G
|
A:DCP1194
|
4.5
|
13.8
|
1.0
|
O5'
|
A:DCP1194
|
4.5
|
13.8
|
1.0
|
O1B
|
A:DCP1194
|
4.5
|
12.3
|
1.0
|
C5'
|
A:DCP1194
|
4.6
|
16.1
|
1.0
|
NH1
|
A:ARG174
|
4.6
|
26.6
|
1.0
|
CZ
|
C:ARG110
|
4.7
|
16.1
|
1.0
|
NH2
|
A:ARG174
|
4.9
|
25.8
|
1.0
|
OD2
|
C:ASP34
|
4.9
|
22.0
|
1.0
|
CG
|
C:ASP34
|
5.0
|
18.3
|
1.0
|
|
Magnesium binding site 4 out
of 6 in 1xs4
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Magnesium Binding Sites List in 1xs4
Magnesium binding site 4 out
of 6 in the Dctp Deaminase From Escherichia Coli- E138A Mutant Enzyme in Complex with Dctp
Mono view
Stereo pair view
|
A full contact list of Magnesium with other atoms in the Mg binding
site number 4 of Dctp Deaminase From Escherichia Coli- E138A Mutant Enzyme in Complex with Dctp within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
D:Mg5195
b:23.3
occ:1.00
|
O1A
|
E:DCP5194
|
1.9
|
11.7
|
1.0
|
O3G
|
E:DCP5194
|
2.0
|
13.6
|
1.0
|
O
|
E:HOH6216
|
2.1
|
15.7
|
1.0
|
O2B
|
E:DCP5194
|
2.2
|
14.3
|
1.0
|
O
|
E:HOH6228
|
2.2
|
7.7
|
1.0
|
PB
|
E:DCP5194
|
3.2
|
13.7
|
1.0
|
PA
|
E:DCP5194
|
3.3
|
11.9
|
1.0
|
PG
|
E:DCP5194
|
3.4
|
16.4
|
1.0
|
O3A
|
E:DCP5194
|
3.6
|
13.8
|
1.0
|
O3B
|
E:DCP5194
|
3.7
|
15.6
|
1.0
|
O
|
E:HOH6245
|
3.8
|
16.0
|
1.0
|
O1G
|
E:DCP5194
|
4.0
|
15.4
|
1.0
|
OD1
|
D:ASP34
|
4.0
|
21.4
|
1.0
|
O2A
|
E:DCP5194
|
4.2
|
13.7
|
1.0
|
O
|
E:HOH6227
|
4.2
|
3.8
|
1.0
|
NH2
|
E:ARG126
|
4.2
|
15.9
|
1.0
|
NE
|
D:ARG110
|
4.3
|
14.5
|
1.0
|
O
|
D:HOH5232
|
4.4
|
12.2
|
1.0
|
NH2
|
D:ARG110
|
4.5
|
14.6
|
1.0
|
O5'
|
E:DCP5194
|
4.5
|
14.7
|
1.0
|
NH1
|
E:ARG174
|
4.6
|
34.1
|
1.0
|
C5'
|
E:DCP5194
|
4.6
|
16.0
|
1.0
|
OD2
|
D:ASP34
|
4.6
|
22.2
|
1.0
|
O2G
|
E:DCP5194
|
4.6
|
13.4
|
1.0
|
NH2
|
E:ARG174
|
4.6
|
37.2
|
1.0
|
O1B
|
E:DCP5194
|
4.7
|
12.0
|
1.0
|
CG
|
D:ASP34
|
4.8
|
18.5
|
1.0
|
CZ
|
D:ARG110
|
4.9
|
15.5
|
1.0
|
|
Magnesium binding site 5 out
of 6 in 1xs4
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Magnesium Binding Sites List in 1xs4
Magnesium binding site 5 out
of 6 in the Dctp Deaminase From Escherichia Coli- E138A Mutant Enzyme in Complex with Dctp
Mono view
Stereo pair view
|
A full contact list of Magnesium with other atoms in the Mg binding
site number 5 of Dctp Deaminase From Escherichia Coli- E138A Mutant Enzyme in Complex with Dctp within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
E:Mg6195
b:23.6
occ:1.00
|
O2B
|
F:DCP6194
|
2.0
|
14.0
|
1.0
|
O3G
|
F:DCP6194
|
2.1
|
13.3
|
1.0
|
O
|
F:HOH6197
|
2.1
|
5.1
|
1.0
|
O1A
|
F:DCP6194
|
2.1
|
12.1
|
1.0
|
O
|
F:HOH6212
|
2.3
|
5.7
|
1.0
|
PB
|
F:DCP6194
|
3.2
|
13.3
|
1.0
|
PG
|
F:DCP6194
|
3.3
|
16.4
|
1.0
|
PA
|
F:DCP6194
|
3.4
|
11.4
|
1.0
|
O3B
|
F:DCP6194
|
3.7
|
15.6
|
1.0
|
O3A
|
F:DCP6194
|
3.7
|
13.8
|
1.0
|
O
|
F:HOH6227
|
3.7
|
16.1
|
1.0
|
OD1
|
E:ASP34
|
3.9
|
21.8
|
1.0
|
O1G
|
F:DCP6194
|
3.9
|
15.5
|
1.0
|
O
|
F:HOH6211
|
3.9
|
2.0
|
1.0
|
O
|
F:HOH6219
|
4.1
|
4.2
|
1.0
|
NE
|
E:ARG110
|
4.2
|
14.7
|
1.0
|
NH2
|
F:ARG126
|
4.3
|
15.9
|
1.0
|
O2A
|
F:DCP6194
|
4.3
|
13.5
|
1.0
|
NH2
|
E:ARG110
|
4.3
|
14.9
|
1.0
|
O
|
E:HOH6197
|
4.5
|
11.4
|
1.0
|
O2G
|
F:DCP6194
|
4.6
|
13.7
|
1.0
|
O1B
|
F:DCP6194
|
4.6
|
12.2
|
1.0
|
O5'
|
F:DCP6194
|
4.6
|
14.3
|
1.0
|
NH1
|
F:ARG174
|
4.7
|
20.8
|
1.0
|
C5'
|
F:DCP6194
|
4.7
|
16.1
|
1.0
|
CZ
|
E:ARG110
|
4.8
|
15.8
|
1.0
|
CG
|
E:ASP34
|
4.8
|
18.5
|
1.0
|
OD2
|
E:ASP34
|
4.9
|
22.1
|
1.0
|
|
Magnesium binding site 6 out
of 6 in 1xs4
Go back to
Magnesium Binding Sites List in 1xs4
Magnesium binding site 6 out
of 6 in the Dctp Deaminase From Escherichia Coli- E138A Mutant Enzyme in Complex with Dctp
Mono view
Stereo pair view
|
A full contact list of Magnesium with other atoms in the Mg binding
site number 6 of Dctp Deaminase From Escherichia Coli- E138A Mutant Enzyme in Complex with Dctp within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
F:Mg4195
b:23.9
occ:1.00
|
O3G
|
D:DCP4194
|
2.0
|
13.4
|
1.0
|
O1A
|
D:DCP4194
|
2.1
|
12.6
|
1.0
|
O
|
D:HOH5208
|
2.2
|
10.8
|
1.0
|
O2B
|
D:DCP4194
|
2.3
|
14.4
|
1.0
|
PG
|
D:DCP4194
|
3.4
|
16.5
|
1.0
|
PB
|
D:DCP4194
|
3.4
|
14.1
|
1.0
|
PA
|
D:DCP4194
|
3.5
|
12.2
|
1.0
|
O3B
|
D:DCP4194
|
3.8
|
16.0
|
1.0
|
OD1
|
F:ASP34
|
3.9
|
21.7
|
1.0
|
O3A
|
D:DCP4194
|
3.9
|
14.0
|
1.0
|
O
|
D:HOH5231
|
4.1
|
14.4
|
1.0
|
O1G
|
D:DCP4194
|
4.1
|
15.2
|
1.0
|
NH2
|
D:ARG126
|
4.2
|
16.1
|
1.0
|
O
|
F:HOH6223
|
4.3
|
14.1
|
1.0
|
O2A
|
D:DCP4194
|
4.4
|
13.5
|
1.0
|
O
|
D:HOH5225
|
4.4
|
9.7
|
1.0
|
NE
|
F:ARG110
|
4.4
|
14.4
|
1.0
|
O2G
|
D:DCP4194
|
4.6
|
13.9
|
1.0
|
NH1
|
D:ARG174
|
4.6
|
30.9
|
1.0
|
O5'
|
D:DCP4194
|
4.6
|
15.2
|
1.0
|
NH2
|
F:ARG110
|
4.6
|
15.2
|
1.0
|
OD2
|
F:ASP34
|
4.7
|
21.9
|
1.0
|
C5'
|
D:DCP4194
|
4.8
|
16.2
|
1.0
|
CG
|
F:ASP34
|
4.8
|
18.3
|
1.0
|
O1B
|
D:DCP4194
|
4.8
|
12.5
|
1.0
|
NH2
|
D:ARG174
|
4.9
|
35.2
|
1.0
|
|
Reference:
E.Johansson,
M.Fano,
J.H.Bynck,
J.Neuhard,
S.Larsen,
B.W.Sigurskjold,
U.Christensen,
M.Willemoes.
Structures of Dctp Deaminase From Escherichia Coli with Bound Substrate and Product: Reaction Mechanism and Determinants of Mono- and Bifunctionality For A Family of Enzymes J.Biol.Chem. V. 280 3051 2005.
ISSN: ISSN 0021-9258
PubMed: 15539408
DOI: 10.1074/JBC.M409534200
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