Magnesium in PDB 6apu: Crystal Structure of Trypanosoma Brucei Hypoxanthine-Guanine Phosphoribosyltranferase in Complex with (2-{[2-(2-Amino-6-Oxo-1,6- Dihydro-9H-Purin-9-Yl)Ethyl](3-Aminopropyl)Amino}Ethyl)Phosphonic Acid
Enzymatic activity of Crystal Structure of Trypanosoma Brucei Hypoxanthine-Guanine Phosphoribosyltranferase in Complex with (2-{[2-(2-Amino-6-Oxo-1,6- Dihydro-9H-Purin-9-Yl)Ethyl](3-Aminopropyl)Amino}Ethyl)Phosphonic Acid
All present enzymatic activity of Crystal Structure of Trypanosoma Brucei Hypoxanthine-Guanine Phosphoribosyltranferase in Complex with (2-{[2-(2-Amino-6-Oxo-1,6- Dihydro-9H-Purin-9-Yl)Ethyl](3-Aminopropyl)Amino}Ethyl)Phosphonic Acid:
2.4.2.8;
Protein crystallography data
The structure of Crystal Structure of Trypanosoma Brucei Hypoxanthine-Guanine Phosphoribosyltranferase in Complex with (2-{[2-(2-Amino-6-Oxo-1,6- Dihydro-9H-Purin-9-Yl)Ethyl](3-Aminopropyl)Amino}Ethyl)Phosphonic Acid, PDB code: 6apu
was solved by
D.Teran,
L.Guddat,
with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:
Resolution Low / High (Å)
|
43.49 /
1.84
|
Space group
|
P 2 2 21
|
Cell size a, b, c (Å), α, β, γ (°)
|
94.883,
108.890,
44.970,
90.00,
90.00,
90.00
|
R / Rfree (%)
|
15 /
19.1
|
Magnesium Binding Sites:
The binding sites of Magnesium atom in the Crystal Structure of Trypanosoma Brucei Hypoxanthine-Guanine Phosphoribosyltranferase in Complex with (2-{[2-(2-Amino-6-Oxo-1,6- Dihydro-9H-Purin-9-Yl)Ethyl](3-Aminopropyl)Amino}Ethyl)Phosphonic Acid
(pdb code 6apu). This binding sites where shown within
5.0 Angstroms radius around Magnesium atom.
In total 7 binding sites of Magnesium where determined in the
Crystal Structure of Trypanosoma Brucei Hypoxanthine-Guanine Phosphoribosyltranferase in Complex with (2-{[2-(2-Amino-6-Oxo-1,6- Dihydro-9H-Purin-9-Yl)Ethyl](3-Aminopropyl)Amino}Ethyl)Phosphonic Acid, PDB code: 6apu:
Jump to Magnesium binding site number:
1;
2;
3;
4;
5;
6;
7;
Magnesium binding site 1 out
of 7 in 6apu
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Magnesium Binding Sites List in 6apu
Magnesium binding site 1 out
of 7 in the Crystal Structure of Trypanosoma Brucei Hypoxanthine-Guanine Phosphoribosyltranferase in Complex with (2-{[2-(2-Amino-6-Oxo-1,6- Dihydro-9H-Purin-9-Yl)Ethyl](3-Aminopropyl)Amino}Ethyl)Phosphonic Acid
Mono view
Stereo pair view
|
A full contact list of Magnesium with other atoms in the Mg binding
site number 1 of Crystal Structure of Trypanosoma Brucei Hypoxanthine-Guanine Phosphoribosyltranferase in Complex with (2-{[2-(2-Amino-6-Oxo-1,6- Dihydro-9H-Purin-9-Yl)Ethyl](3-Aminopropyl)Amino}Ethyl)Phosphonic Acid within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Mg302
b:53.4
occ:1.00
|
O
|
A:HOH509
|
2.3
|
27.8
|
0.5
|
CAI
|
A:3L6307
|
2.4
|
25.6
|
0.5
|
OD1
|
A:ASP114
|
2.9
|
41.2
|
1.0
|
O
|
A:HOH509
|
3.0
|
17.8
|
0.5
|
CAJ
|
A:3L6307
|
3.1
|
21.8
|
0.5
|
O
|
A:HOH510
|
3.2
|
56.0
|
1.0
|
CG
|
A:GLU113
|
3.6
|
29.8
|
1.0
|
CD
|
A:GLU113
|
3.7
|
44.1
|
1.0
|
CG
|
A:ASP114
|
3.9
|
33.0
|
1.0
|
OE2
|
A:GLU113
|
4.0
|
32.4
|
1.0
|
CG1
|
A:VAL52
|
4.2
|
26.3
|
1.0
|
CB
|
A:ALA81
|
4.2
|
43.5
|
1.0
|
OE1
|
A:GLU113
|
4.2
|
41.9
|
1.0
|
OD2
|
A:ASP114
|
4.2
|
50.8
|
1.0
|
O4
|
A:SO4301
|
4.3
|
79.2
|
1.0
|
NAV
|
A:3L6307
|
4.4
|
20.8
|
0.5
|
O1
|
A:SO4301
|
4.4
|
89.2
|
1.0
|
CAJ
|
A:3L6307
|
4.5
|
27.5
|
0.5
|
NAV
|
A:3L6307
|
4.5
|
18.7
|
0.5
|
O
|
A:ILE115
|
4.6
|
20.2
|
1.0
|
CB
|
A:VAL52
|
4.7
|
22.2
|
1.0
|
O
|
A:VAL52
|
4.8
|
21.9
|
1.0
|
N
|
A:ASP114
|
4.9
|
16.9
|
1.0
|
CAN
|
A:3L6307
|
4.9
|
13.8
|
0.5
|
OG
|
A:SER56
|
4.9
|
15.8
|
0.4
|
CG2
|
A:THR121
|
5.0
|
27.8
|
1.0
|
N
|
A:ILE115
|
5.0
|
13.7
|
1.0
|
CB
|
A:GLU113
|
5.0
|
19.7
|
1.0
|
|
Magnesium binding site 2 out
of 7 in 6apu
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Magnesium Binding Sites List in 6apu
Magnesium binding site 2 out
of 7 in the Crystal Structure of Trypanosoma Brucei Hypoxanthine-Guanine Phosphoribosyltranferase in Complex with (2-{[2-(2-Amino-6-Oxo-1,6- Dihydro-9H-Purin-9-Yl)Ethyl](3-Aminopropyl)Amino}Ethyl)Phosphonic Acid
Mono view
Stereo pair view
|
A full contact list of Magnesium with other atoms in the Mg binding
site number 2 of Crystal Structure of Trypanosoma Brucei Hypoxanthine-Guanine Phosphoribosyltranferase in Complex with (2-{[2-(2-Amino-6-Oxo-1,6- Dihydro-9H-Purin-9-Yl)Ethyl](3-Aminopropyl)Amino}Ethyl)Phosphonic Acid within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Mg303
b:33.9
occ:0.39
|
MG
|
A:MG303
|
0.0
|
33.9
|
0.4
|
O3
|
A:SO4301
|
2.3
|
78.4
|
1.0
|
MG
|
A:MG303
|
2.4
|
45.3
|
0.6
|
O
|
A:HOH513
|
2.4
|
51.1
|
1.0
|
OD1
|
A:ASP173
|
2.6
|
23.7
|
1.0
|
O
|
A:HOH481
|
2.9
|
46.1
|
1.0
|
O
|
A:HOH405
|
2.9
|
49.2
|
1.0
|
O1
|
A:SO4301
|
3.4
|
89.2
|
1.0
|
S
|
A:SO4301
|
3.4
|
83.7
|
1.0
|
CG
|
A:ASP173
|
3.5
|
29.6
|
1.0
|
OD2
|
A:ASP173
|
3.6
|
26.0
|
1.0
|
O
|
A:HOH466
|
3.8
|
43.3
|
1.0
|
O
|
A:HOH510
|
4.2
|
56.0
|
1.0
|
O4
|
A:SO4301
|
4.4
|
79.2
|
1.0
|
O2
|
A:SO4301
|
4.4
|
80.4
|
1.0
|
NH1
|
A:ARG179
|
4.4
|
15.6
|
1.0
|
CAJ
|
A:3L6307
|
4.5
|
27.5
|
0.5
|
O
|
A:HOH403
|
4.6
|
34.9
|
1.0
|
O
|
A:HOH490
|
4.7
|
34.0
|
1.0
|
CAI
|
A:3L6307
|
4.7
|
20.4
|
0.5
|
NH2
|
A:ARG179
|
4.9
|
14.8
|
1.0
|
O
|
A:ASP173
|
4.9
|
19.2
|
1.0
|
N2
|
A:3L6307
|
5.0
|
9.9
|
0.5
|
CB
|
A:ASP173
|
5.0
|
15.5
|
1.0
|
|
Magnesium binding site 3 out
of 7 in 6apu
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Magnesium Binding Sites List in 6apu
Magnesium binding site 3 out
of 7 in the Crystal Structure of Trypanosoma Brucei Hypoxanthine-Guanine Phosphoribosyltranferase in Complex with (2-{[2-(2-Amino-6-Oxo-1,6- Dihydro-9H-Purin-9-Yl)Ethyl](3-Aminopropyl)Amino}Ethyl)Phosphonic Acid
Mono view
Stereo pair view
|
A full contact list of Magnesium with other atoms in the Mg binding
site number 3 of Crystal Structure of Trypanosoma Brucei Hypoxanthine-Guanine Phosphoribosyltranferase in Complex with (2-{[2-(2-Amino-6-Oxo-1,6- Dihydro-9H-Purin-9-Yl)Ethyl](3-Aminopropyl)Amino}Ethyl)Phosphonic Acid within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Mg303
b:45.3
occ:0.61
|
MG
|
A:MG303
|
0.0
|
45.3
|
0.6
|
O1
|
A:SO4301
|
2.3
|
89.2
|
1.0
|
MG
|
A:MG303
|
2.4
|
33.9
|
0.4
|
CAJ
|
A:3L6307
|
2.5
|
27.5
|
0.5
|
O
|
A:HOH513
|
2.6
|
51.1
|
1.0
|
CAI
|
A:3L6307
|
2.8
|
20.4
|
0.5
|
O3
|
A:SO4301
|
3.2
|
78.4
|
1.0
|
S
|
A:SO4301
|
3.3
|
83.7
|
1.0
|
O
|
A:HOH510
|
3.5
|
56.0
|
1.0
|
CAJ
|
A:3L6307
|
3.8
|
21.8
|
0.5
|
NAV
|
A:3L6307
|
3.8
|
20.8
|
0.5
|
O4
|
A:SO4301
|
4.2
|
79.2
|
1.0
|
O
|
A:HOH405
|
4.3
|
49.2
|
1.0
|
NAV
|
A:3L6307
|
4.3
|
18.7
|
0.5
|
O2
|
A:SO4301
|
4.3
|
80.4
|
1.0
|
CAK
|
A:3L6307
|
4.3
|
21.5
|
0.5
|
CAM
|
A:3L6307
|
4.5
|
19.4
|
0.5
|
O
|
A:HOH481
|
4.6
|
46.1
|
1.0
|
O
|
A:HOH466
|
4.7
|
43.3
|
1.0
|
CAK
|
A:3L6307
|
4.8
|
21.6
|
0.5
|
OD1
|
A:ASP173
|
4.9
|
23.7
|
1.0
|
CAL
|
A:3L6307
|
4.9
|
17.8
|
0.5
|
|
Magnesium binding site 4 out
of 7 in 6apu
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Magnesium Binding Sites List in 6apu
Magnesium binding site 4 out
of 7 in the Crystal Structure of Trypanosoma Brucei Hypoxanthine-Guanine Phosphoribosyltranferase in Complex with (2-{[2-(2-Amino-6-Oxo-1,6- Dihydro-9H-Purin-9-Yl)Ethyl](3-Aminopropyl)Amino}Ethyl)Phosphonic Acid
Mono view
Stereo pair view
|
A full contact list of Magnesium with other atoms in the Mg binding
site number 4 of Crystal Structure of Trypanosoma Brucei Hypoxanthine-Guanine Phosphoribosyltranferase in Complex with (2-{[2-(2-Amino-6-Oxo-1,6- Dihydro-9H-Purin-9-Yl)Ethyl](3-Aminopropyl)Amino}Ethyl)Phosphonic Acid within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Mg304
b:45.5
occ:1.00
|
NH2
|
A:ARG30
|
1.9
|
29.1
|
1.0
|
O
|
A:HOH570
|
2.0
|
31.1
|
1.0
|
CD
|
A:ARG30
|
2.7
|
22.8
|
1.0
|
O
|
A:HOH472
|
2.8
|
33.3
|
1.0
|
CZ
|
A:ARG30
|
2.9
|
33.3
|
1.0
|
NE
|
A:ARG30
|
3.2
|
29.2
|
1.0
|
O
|
A:HOH574
|
3.9
|
38.5
|
1.0
|
CG2
|
A:VAL27
|
3.9
|
14.0
|
1.0
|
O
|
A:HOH468
|
4.0
|
23.4
|
1.0
|
NH1
|
A:ARG30
|
4.1
|
31.5
|
1.0
|
O
|
A:HOH464
|
4.2
|
18.2
|
1.0
|
CG
|
A:ARG30
|
4.3
|
23.1
|
1.0
|
CA
|
A:VAL27
|
4.5
|
12.7
|
1.0
|
O
|
A:HOH477
|
4.7
|
19.3
|
1.0
|
N
|
A:VAL27
|
4.7
|
11.2
|
1.0
|
CB
|
A:VAL27
|
4.8
|
17.2
|
1.0
|
O
|
A:GLY26
|
4.8
|
14.8
|
1.0
|
C
|
A:GLY26
|
4.9
|
15.6
|
1.0
|
O
|
A:VAL158
|
4.9
|
14.6
|
1.0
|
CB
|
A:ARG30
|
5.0
|
19.6
|
1.0
|
|
Magnesium binding site 5 out
of 7 in 6apu
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Magnesium Binding Sites List in 6apu
Magnesium binding site 5 out
of 7 in the Crystal Structure of Trypanosoma Brucei Hypoxanthine-Guanine Phosphoribosyltranferase in Complex with (2-{[2-(2-Amino-6-Oxo-1,6- Dihydro-9H-Purin-9-Yl)Ethyl](3-Aminopropyl)Amino}Ethyl)Phosphonic Acid
Mono view
Stereo pair view
|
A full contact list of Magnesium with other atoms in the Mg binding
site number 5 of Crystal Structure of Trypanosoma Brucei Hypoxanthine-Guanine Phosphoribosyltranferase in Complex with (2-{[2-(2-Amino-6-Oxo-1,6- Dihydro-9H-Purin-9-Yl)Ethyl](3-Aminopropyl)Amino}Ethyl)Phosphonic Acid within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Mg305
b:49.0
occ:1.00
|
NH2
|
A:ARG25
|
1.9
|
31.6
|
1.0
|
O
|
A:HOH504
|
2.1
|
43.0
|
1.0
|
NE
|
A:ARG25
|
2.4
|
21.1
|
1.0
|
CZ
|
A:ARG25
|
2.4
|
24.8
|
1.0
|
OG1
|
A:THR22
|
3.2
|
22.4
|
1.0
|
CA
|
A:THR22
|
3.5
|
12.9
|
1.0
|
CB
|
A:THR22
|
3.7
|
14.9
|
1.0
|
NH1
|
A:ARG25
|
3.7
|
23.3
|
1.0
|
CG2
|
A:THR22
|
3.8
|
13.7
|
1.0
|
CD
|
A:ARG25
|
3.8
|
19.3
|
1.0
|
O
|
A:HOH450
|
4.2
|
26.4
|
1.0
|
O
|
A:HOH463
|
4.2
|
21.2
|
1.0
|
N
|
A:THR22
|
4.3
|
11.3
|
1.0
|
O
|
A:HOH586
|
4.6
|
47.8
|
1.0
|
C
|
A:THR22
|
4.6
|
15.8
|
1.0
|
O
|
A:THR22
|
4.6
|
12.8
|
1.0
|
CG
|
A:ARG25
|
4.6
|
14.1
|
1.0
|
CB
|
A:ARG25
|
4.7
|
11.9
|
1.0
|
O
|
A:HIS21
|
4.8
|
12.2
|
1.0
|
C
|
A:HIS21
|
4.9
|
11.7
|
1.0
|
|
Magnesium binding site 6 out
of 7 in 6apu
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Magnesium Binding Sites List in 6apu
Magnesium binding site 6 out
of 7 in the Crystal Structure of Trypanosoma Brucei Hypoxanthine-Guanine Phosphoribosyltranferase in Complex with (2-{[2-(2-Amino-6-Oxo-1,6- Dihydro-9H-Purin-9-Yl)Ethyl](3-Aminopropyl)Amino}Ethyl)Phosphonic Acid
Mono view
Stereo pair view
|
A full contact list of Magnesium with other atoms in the Mg binding
site number 6 of Crystal Structure of Trypanosoma Brucei Hypoxanthine-Guanine Phosphoribosyltranferase in Complex with (2-{[2-(2-Amino-6-Oxo-1,6- Dihydro-9H-Purin-9-Yl)Ethyl](3-Aminopropyl)Amino}Ethyl)Phosphonic Acid within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:Mg302
b:77.3
occ:1.00
|
OD2
|
B:ASP114
|
2.4
|
30.2
|
1.0
|
OG
|
B:SER56
|
2.8
|
27.1
|
1.0
|
O
|
B:VAL52
|
3.0
|
21.2
|
1.0
|
CG
|
B:ASP114
|
3.3
|
31.2
|
1.0
|
CG
|
B:GLU113
|
3.3
|
31.2
|
1.0
|
N
|
B:ASP114
|
3.7
|
13.3
|
1.0
|
OD1
|
B:ASP114
|
3.8
|
46.5
|
1.0
|
O3
|
B:SO4301
|
3.9
|
21.9
|
0.7
|
N
|
B:SER56
|
4.0
|
15.6
|
1.0
|
CG1
|
B:VAL52
|
4.0
|
26.6
|
1.0
|
C
|
B:VAL52
|
4.0
|
25.3
|
1.0
|
CB
|
B:VAL52
|
4.0
|
23.9
|
1.0
|
CB
|
B:SER56
|
4.2
|
20.3
|
1.0
|
CA
|
B:GLU113
|
4.3
|
17.9
|
1.0
|
CD
|
B:GLU113
|
4.3
|
40.5
|
1.0
|
N
|
B:GLY55
|
4.3
|
18.8
|
1.0
|
CB
|
B:ASP114
|
4.4
|
15.5
|
1.0
|
CB
|
B:GLU113
|
4.4
|
20.1
|
1.0
|
CA
|
B:GLY55
|
4.4
|
21.7
|
1.0
|
C
|
B:GLY55
|
4.5
|
23.9
|
1.0
|
C
|
B:GLU113
|
4.5
|
21.4
|
1.0
|
O
|
B:LEU53
|
4.6
|
21.5
|
1.0
|
CA
|
B:SER56
|
4.6
|
13.9
|
1.0
|
CA
|
B:VAL52
|
4.6
|
18.4
|
1.0
|
CA
|
B:ASP114
|
4.6
|
14.9
|
1.0
|
C
|
B:LEU53
|
4.7
|
24.2
|
1.0
|
OE1
|
B:GLU113
|
4.8
|
40.2
|
1.0
|
N
|
B:ILE115
|
4.8
|
13.2
|
1.0
|
N
|
B:LEU53
|
4.9
|
22.4
|
1.0
|
|
Magnesium binding site 7 out
of 7 in 6apu
Go back to
Magnesium Binding Sites List in 6apu
Magnesium binding site 7 out
of 7 in the Crystal Structure of Trypanosoma Brucei Hypoxanthine-Guanine Phosphoribosyltranferase in Complex with (2-{[2-(2-Amino-6-Oxo-1,6- Dihydro-9H-Purin-9-Yl)Ethyl](3-Aminopropyl)Amino}Ethyl)Phosphonic Acid
Mono view
Stereo pair view
|
A full contact list of Magnesium with other atoms in the Mg binding
site number 7 of Crystal Structure of Trypanosoma Brucei Hypoxanthine-Guanine Phosphoribosyltranferase in Complex with (2-{[2-(2-Amino-6-Oxo-1,6- Dihydro-9H-Purin-9-Yl)Ethyl](3-Aminopropyl)Amino}Ethyl)Phosphonic Acid within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:Mg303
b:34.4
occ:1.00
|
OD1
|
B:ASP173
|
2.1
|
24.3
|
1.0
|
O
|
B:HOH446
|
2.1
|
32.8
|
1.0
|
O
|
B:HOH497
|
2.1
|
16.7
|
0.6
|
O4
|
B:SO4301
|
2.1
|
21.0
|
0.7
|
NAA
|
B:3L6305
|
2.2
|
33.5
|
1.0
|
O
|
B:HOH514
|
2.4
|
29.7
|
1.0
|
CAG
|
B:3L6305
|
3.0
|
29.2
|
1.0
|
CG
|
B:ASP173
|
3.1
|
17.4
|
1.0
|
S
|
B:SO4301
|
3.4
|
27.1
|
0.7
|
OD2
|
B:ASP173
|
3.5
|
20.1
|
1.0
|
O
|
B:HOH497
|
3.5
|
20.1
|
0.4
|
O2
|
B:SO4301
|
3.7
|
33.5
|
0.7
|
O
|
B:HOH566
|
4.1
|
36.1
|
1.0
|
NH2
|
B:ARG179
|
4.2
|
14.5
|
1.0
|
CAI
|
B:3L6305
|
4.3
|
36.6
|
1.0
|
O3
|
B:SO4301
|
4.4
|
21.9
|
0.7
|
NH1
|
B:ARG179
|
4.4
|
12.8
|
1.0
|
O
|
B:ASP173
|
4.4
|
13.8
|
1.0
|
O1
|
B:SO4301
|
4.4
|
19.6
|
0.7
|
CB
|
B:ASP173
|
4.5
|
10.9
|
1.0
|
N
|
B:ASP173
|
4.6
|
9.6
|
1.0
|
N2
|
B:3L6305
|
4.6
|
15.8
|
1.0
|
N3
|
B:3L6305
|
4.6
|
14.3
|
1.0
|
CZ
|
B:ARG179
|
4.7
|
13.9
|
1.0
|
O
|
B:HOH413
|
4.7
|
36.4
|
1.0
|
O
|
B:HOH472
|
4.8
|
31.5
|
1.0
|
CA
|
B:ASP173
|
4.9
|
10.3
|
1.0
|
C
|
B:ASP173
|
5.0
|
18.2
|
1.0
|
|
Reference:
E.Dolezelova,
D.Teran,
O.Gahura,
Z.Kotrbova,
M.Prochazkova,
D.Keough,
P.Spacek,
D.Hockova,
L.Guddat,
A.Zikova.
Evaluation of the Trypanosoma Brucei 6-Oxopurine Salvage Pathway As A Potential Target For Drug Discovery. Plos Negl Trop Dis V. 12 06301 2018.
ISSN: ESSN 1935-2735
PubMed: 29481567
DOI: 10.1371/JOURNAL.PNTD.0006301
Page generated: Mon Sep 30 19:16:17 2024
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