Magnesium in PDB 4g0v: Human Topoisomerase Iibeta in Complex with Dna and Mitoxantrone
Enzymatic activity of Human Topoisomerase Iibeta in Complex with Dna and Mitoxantrone
All present enzymatic activity of Human Topoisomerase Iibeta in Complex with Dna and Mitoxantrone:
5.99.1.3;
Protein crystallography data
The structure of Human Topoisomerase Iibeta in Complex with Dna and Mitoxantrone, PDB code: 4g0v
was solved by
C.C.Wu,
T.K.Li,
Y.C.Li,
N.L.Chan,
with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:
Resolution Low / High (Å)
|
27.94 /
2.55
|
Space group
|
P 1 21 1
|
Cell size a, b, c (Å), α, β, γ (°)
|
80.546,
176.610,
93.759,
90.00,
111.53,
90.00
|
R / Rfree (%)
|
16.1 /
20.6
|
Magnesium Binding Sites:
The binding sites of Magnesium atom in the Human Topoisomerase Iibeta in Complex with Dna and Mitoxantrone
(pdb code 4g0v). This binding sites where shown within
5.0 Angstroms radius around Magnesium atom.
In total 6 binding sites of Magnesium where determined in the
Human Topoisomerase Iibeta in Complex with Dna and Mitoxantrone, PDB code: 4g0v:
Jump to Magnesium binding site number:
1;
2;
3;
4;
5;
6;
Magnesium binding site 1 out
of 6 in 4g0v
Go back to
Magnesium Binding Sites List in 4g0v
Magnesium binding site 1 out
of 6 in the Human Topoisomerase Iibeta in Complex with Dna and Mitoxantrone
Mono view
Stereo pair view
|
A full contact list of Magnesium with other atoms in the Mg binding
site number 1 of Human Topoisomerase Iibeta in Complex with Dna and Mitoxantrone within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Mg1302
b:27.1
occ:1.00
|
O
|
A:HOH1524
|
2.2
|
26.4
|
1.0
|
O
|
A:HOH1523
|
2.2
|
27.1
|
1.0
|
O
|
A:HOH1525
|
2.2
|
33.2
|
1.0
|
OD2
|
A:ASP559
|
2.2
|
25.8
|
1.0
|
OD2
|
A:ASP557
|
2.2
|
36.2
|
1.0
|
O
|
A:HOH1526
|
2.2
|
31.8
|
1.0
|
CG
|
A:ASP559
|
3.1
|
25.1
|
1.0
|
CG
|
A:ASP557
|
3.2
|
34.0
|
1.0
|
OD1
|
A:ASP559
|
3.4
|
24.9
|
1.0
|
CB
|
A:ASP557
|
3.4
|
32.9
|
1.0
|
O
|
A:HOH1543
|
3.7
|
32.0
|
1.0
|
OE2
|
A:GLU477
|
4.0
|
31.6
|
1.0
|
O
|
A:HOH1415
|
4.1
|
26.2
|
1.0
|
O
|
A:HOH1544
|
4.3
|
40.7
|
1.0
|
OD1
|
A:ASP557
|
4.3
|
37.2
|
1.0
|
OP1
|
C:DC8
|
4.4
|
23.9
|
1.0
|
O
|
A:HOH1521
|
4.4
|
45.1
|
1.0
|
CB
|
A:ASP559
|
4.5
|
23.0
|
1.0
|
C5'
|
C:DC8
|
4.8
|
17.3
|
1.0
|
CD
|
A:GLU477
|
4.8
|
36.5
|
1.0
|
OE1
|
A:GLU477
|
4.8
|
35.5
|
1.0
|
O
|
D:HOH217
|
4.9
|
33.5
|
1.0
|
CA
|
A:ASP557
|
5.0
|
31.8
|
1.0
|
|
Magnesium binding site 2 out
of 6 in 4g0v
Go back to
Magnesium Binding Sites List in 4g0v
Magnesium binding site 2 out
of 6 in the Human Topoisomerase Iibeta in Complex with Dna and Mitoxantrone
Mono view
Stereo pair view
|
A full contact list of Magnesium with other atoms in the Mg binding
site number 2 of Human Topoisomerase Iibeta in Complex with Dna and Mitoxantrone within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Mg1303
b:39.7
occ:1.00
|
O
|
A:HOH1550
|
2.2
|
42.7
|
1.0
|
O
|
C:HOH111
|
2.2
|
35.0
|
1.0
|
O
|
C:HOH112
|
2.2
|
42.2
|
1.0
|
O
|
A:HOH1610
|
3.4
|
34.9
|
1.0
|
O
|
A:ASN867
|
3.4
|
27.8
|
1.0
|
OD1
|
A:ASN795
|
3.6
|
15.7
|
1.0
|
O
|
A:HOH1549
|
3.8
|
27.0
|
1.0
|
OD1
|
A:ASN786
|
4.0
|
36.2
|
1.0
|
O
|
A:SER794
|
4.3
|
25.4
|
1.0
|
OP1
|
C:DG5
|
4.4
|
33.8
|
1.0
|
CG
|
A:ASN795
|
4.5
|
16.0
|
1.0
|
C
|
A:ASN867
|
4.6
|
22.6
|
1.0
|
C
|
A:SER794
|
4.6
|
16.8
|
1.0
|
O
|
C:HOH103
|
4.8
|
31.1
|
1.0
|
ND2
|
A:ASN786
|
4.8
|
25.7
|
1.0
|
CG
|
A:ASN786
|
4.8
|
30.2
|
1.0
|
O
|
A:HOH1479
|
4.9
|
28.1
|
1.0
|
CB
|
A:ASN867
|
4.9
|
13.2
|
1.0
|
|
Magnesium binding site 3 out
of 6 in 4g0v
Go back to
Magnesium Binding Sites List in 4g0v
Magnesium binding site 3 out
of 6 in the Human Topoisomerase Iibeta in Complex with Dna and Mitoxantrone
Mono view
Stereo pair view
|
A full contact list of Magnesium with other atoms in the Mg binding
site number 3 of Human Topoisomerase Iibeta in Complex with Dna and Mitoxantrone within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:Mg1301
b:25.2
occ:1.00
|
OD2
|
B:ASP559
|
2.2
|
15.1
|
1.0
|
O
|
B:HOH1526
|
2.2
|
23.0
|
1.0
|
O
|
B:HOH1527
|
2.2
|
21.9
|
1.0
|
O
|
E:HOH110
|
2.2
|
26.0
|
1.0
|
O
|
B:HOH1556
|
2.2
|
33.0
|
1.0
|
OD2
|
B:ASP557
|
2.2
|
35.5
|
1.0
|
CG
|
B:ASP559
|
3.2
|
24.1
|
1.0
|
CG
|
B:ASP557
|
3.3
|
28.9
|
1.0
|
OD1
|
B:ASP559
|
3.6
|
23.2
|
1.0
|
CB
|
B:ASP557
|
3.8
|
23.5
|
1.0
|
O
|
B:HOH1531
|
4.1
|
23.0
|
1.0
|
OE2
|
B:GLU477
|
4.2
|
24.4
|
1.0
|
OP1
|
E:DC8
|
4.2
|
24.3
|
1.0
|
O
|
B:HOH1417
|
4.3
|
21.7
|
1.0
|
OD1
|
B:ASP557
|
4.4
|
28.5
|
1.0
|
CB
|
B:ASP559
|
4.5
|
18.5
|
1.0
|
C5'
|
E:DC8
|
4.7
|
17.4
|
1.0
|
|
Magnesium binding site 4 out
of 6 in 4g0v
Go back to
Magnesium Binding Sites List in 4g0v
Magnesium binding site 4 out
of 6 in the Human Topoisomerase Iibeta in Complex with Dna and Mitoxantrone
Mono view
Stereo pair view
|
A full contact list of Magnesium with other atoms in the Mg binding
site number 4 of Human Topoisomerase Iibeta in Complex with Dna and Mitoxantrone within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:Mg1302
b:46.4
occ:1.00
|
O
|
B:HOH1564
|
2.2
|
30.0
|
1.0
|
O
|
B:HOH1562
|
2.2
|
31.4
|
1.0
|
O
|
E:HOH112
|
2.2
|
39.3
|
1.0
|
O
|
B:HOH1563
|
2.2
|
38.6
|
1.0
|
OD1
|
B:ASN795
|
3.5
|
22.8
|
1.0
|
O
|
B:ASN867
|
3.5
|
26.2
|
1.0
|
O
|
B:HOH1578
|
3.6
|
35.4
|
1.0
|
O
|
B:HOH1572
|
3.7
|
31.9
|
1.0
|
O
|
B:HOH1580
|
3.7
|
33.2
|
1.0
|
O
|
B:SER794
|
4.1
|
19.3
|
1.0
|
OD1
|
B:ASN786
|
4.2
|
31.5
|
1.0
|
O
|
B:HOH1573
|
4.3
|
33.6
|
1.0
|
OP1
|
E:DG5
|
4.4
|
25.9
|
1.0
|
C
|
B:SER794
|
4.4
|
15.5
|
1.0
|
CG
|
B:ASN795
|
4.4
|
19.0
|
1.0
|
NH2
|
B:ARG945
|
4.5
|
47.6
|
1.0
|
O
|
B:GLY868
|
4.7
|
29.1
|
1.0
|
C
|
B:ASN867
|
4.7
|
23.9
|
1.0
|
CA
|
B:SER794
|
4.8
|
18.6
|
1.0
|
ND2
|
B:ASN786
|
4.8
|
25.3
|
1.0
|
N
|
B:ASN795
|
4.8
|
14.5
|
1.0
|
O
|
E:HOH105
|
4.9
|
29.1
|
1.0
|
CG
|
B:ASN786
|
4.9
|
29.4
|
1.0
|
OE2
|
B:GLU870
|
4.9
|
46.2
|
1.0
|
ND2
|
B:ASN795
|
4.9
|
14.8
|
1.0
|
CB
|
B:ASN867
|
5.0
|
20.2
|
1.0
|
|
Magnesium binding site 5 out
of 6 in 4g0v
Go back to
Magnesium Binding Sites List in 4g0v
Magnesium binding site 5 out
of 6 in the Human Topoisomerase Iibeta in Complex with Dna and Mitoxantrone
Mono view
Stereo pair view
|
A full contact list of Magnesium with other atoms in the Mg binding
site number 5 of Human Topoisomerase Iibeta in Complex with Dna and Mitoxantrone within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
D:Mg102
b:39.2
occ:1.00
|
O
|
D:HOH222
|
2.2
|
25.6
|
1.0
|
O
|
B:HOH1567
|
2.2
|
34.5
|
1.0
|
O
|
D:HOH221
|
2.2
|
22.4
|
1.0
|
O
|
D:HOH223
|
2.2
|
31.8
|
1.0
|
O6
|
E:DG2
|
4.0
|
28.9
|
1.0
|
O
|
D:HOH226
|
4.1
|
37.2
|
1.0
|
O6
|
D:DG18
|
4.2
|
21.2
|
1.0
|
O
|
D:HOH205
|
4.2
|
27.6
|
1.0
|
NZ
|
B:LYS671
|
4.4
|
35.9
|
1.0
|
O
|
D:HOH225
|
4.6
|
32.9
|
1.0
|
N4
|
E:DC3
|
4.7
|
23.4
|
1.0
|
N7
|
D:DG17
|
4.7
|
21.1
|
1.0
|
CE
|
B:LYS671
|
4.7
|
48.4
|
1.0
|
O6
|
D:DG17
|
4.8
|
21.8
|
1.0
|
O
|
D:HOH224
|
4.9
|
27.5
|
1.0
|
C6
|
E:DG2
|
4.9
|
26.1
|
1.0
|
|
Magnesium binding site 6 out
of 6 in 4g0v
Go back to
Magnesium Binding Sites List in 4g0v
Magnesium binding site 6 out
of 6 in the Human Topoisomerase Iibeta in Complex with Dna and Mitoxantrone
Mono view
Stereo pair view
|
A full contact list of Magnesium with other atoms in the Mg binding
site number 6 of Human Topoisomerase Iibeta in Complex with Dna and Mitoxantrone within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
F:Mg101
b:38.5
occ:1.00
|
O
|
F:HOH221
|
2.2
|
34.1
|
1.0
|
O
|
F:HOH220
|
2.2
|
33.3
|
1.0
|
O
|
F:HOH222
|
2.2
|
33.0
|
1.0
|
O
|
F:HOH216
|
3.3
|
36.4
|
1.0
|
NZ
|
A:LYS671
|
3.9
|
64.2
|
1.0
|
O
|
F:HOH212
|
4.0
|
25.9
|
1.0
|
CE
|
A:LYS671
|
4.2
|
56.0
|
1.0
|
O
|
C:HOH113
|
4.3
|
45.0
|
1.0
|
O
|
A:HOH1553
|
4.6
|
42.9
|
1.0
|
N7
|
F:DG17
|
4.8
|
22.3
|
1.0
|
O6
|
F:DG17
|
4.9
|
25.2
|
1.0
|
C5
|
F:DC16
|
4.9
|
20.3
|
1.0
|
O
|
F:HOH213
|
5.0
|
27.4
|
1.0
|
|
Reference:
C.C.Wu,
Y.C.Li,
Y.R.Wang,
T.K.Li,
N.L.Chan.
On the Structural Basis and Design Guidelines For Type II Topoisomerase-Targeting Anticancer Drugs Nucleic Acids Res. V. 41 10630 2013.
ISSN: ISSN 0305-1048
PubMed: 24038465
DOI: 10.1093/NAR/GKT828
Page generated: Fri Aug 16 15:20:25 2024
|