Magnesium in PDB 6c7j: Crystal Structure of Human Phosphodiesterase 2A with 1-(5-Tert-Butoxy- 2-Chloro-Phenyl)-N-Isobutyl-4-Methyl-[1,2,4]Triazolo[4,3- A]Quinoxaline-8-Carboxamide
Enzymatic activity of Crystal Structure of Human Phosphodiesterase 2A with 1-(5-Tert-Butoxy- 2-Chloro-Phenyl)-N-Isobutyl-4-Methyl-[1,2,4]Triazolo[4,3- A]Quinoxaline-8-Carboxamide
All present enzymatic activity of Crystal Structure of Human Phosphodiesterase 2A with 1-(5-Tert-Butoxy- 2-Chloro-Phenyl)-N-Isobutyl-4-Methyl-[1,2,4]Triazolo[4,3- A]Quinoxaline-8-Carboxamide:
3.1.4.17;
Protein crystallography data
The structure of Crystal Structure of Human Phosphodiesterase 2A with 1-(5-Tert-Butoxy- 2-Chloro-Phenyl)-N-Isobutyl-4-Methyl-[1,2,4]Triazolo[4,3- A]Quinoxaline-8-Carboxamide, PDB code: 6c7j
was solved by
R.Xu,
K.Aertgeerts,
with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:
Resolution Low / High (Å)
|
55.88 /
1.85
|
Space group
|
P 1
|
Cell size a, b, c (Å), α, β, γ (°)
|
55.930,
73.450,
91.030,
109.12,
91.25,
91.56
|
R / Rfree (%)
|
17.6 /
23
|
Other elements in 6c7j:
The structure of Crystal Structure of Human Phosphodiesterase 2A with 1-(5-Tert-Butoxy- 2-Chloro-Phenyl)-N-Isobutyl-4-Methyl-[1,2,4]Triazolo[4,3- A]Quinoxaline-8-Carboxamide also contains other interesting chemical elements:
Magnesium Binding Sites:
The binding sites of Magnesium atom in the Crystal Structure of Human Phosphodiesterase 2A with 1-(5-Tert-Butoxy- 2-Chloro-Phenyl)-N-Isobutyl-4-Methyl-[1,2,4]Triazolo[4,3- A]Quinoxaline-8-Carboxamide
(pdb code 6c7j). This binding sites where shown within
5.0 Angstroms radius around Magnesium atom.
In total 4 binding sites of Magnesium where determined in the
Crystal Structure of Human Phosphodiesterase 2A with 1-(5-Tert-Butoxy- 2-Chloro-Phenyl)-N-Isobutyl-4-Methyl-[1,2,4]Triazolo[4,3- A]Quinoxaline-8-Carboxamide, PDB code: 6c7j:
Jump to Magnesium binding site number:
1;
2;
3;
4;
Magnesium binding site 1 out
of 4 in 6c7j
Go back to
Magnesium Binding Sites List in 6c7j
Magnesium binding site 1 out
of 4 in the Crystal Structure of Human Phosphodiesterase 2A with 1-(5-Tert-Butoxy- 2-Chloro-Phenyl)-N-Isobutyl-4-Methyl-[1,2,4]Triazolo[4,3- A]Quinoxaline-8-Carboxamide
 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 Human Phosphodiesterase 2A with 1-(5-Tert-Butoxy- 2-Chloro-Phenyl)-N-Isobutyl-4-Methyl-[1,2,4]Triazolo[4,3- A]Quinoxaline-8-Carboxamide within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Mg1003
b:14.2
occ:1.00
|
O
|
A:HOH1151
|
2.1
|
14.2
|
1.0
|
O
|
A:HOH1186
|
2.1
|
12.1
|
1.0
|
OD1
|
A:ASP697
|
2.1
|
11.2
|
1.0
|
O
|
A:HOH1116
|
2.1
|
10.4
|
1.0
|
O
|
A:HOH1157
|
2.1
|
11.2
|
1.0
|
O
|
A:HOH1254
|
2.1
|
10.9
|
1.0
|
CG
|
A:ASP697
|
3.2
|
12.6
|
1.0
|
OD2
|
A:ASP697
|
3.6
|
16.1
|
1.0
|
NE2
|
A:HIS730
|
4.0
|
15.4
|
1.0
|
OG1
|
A:THR768
|
4.0
|
13.8
|
1.0
|
ZN
|
A:ZN1002
|
4.1
|
16.8
|
1.0
|
O
|
A:HOH1222
|
4.1
|
14.1
|
1.0
|
OE2
|
A:GLU727
|
4.2
|
20.5
|
1.0
|
O
|
A:HOH1241
|
4.2
|
17.7
|
1.0
|
CD2
|
A:HIS696
|
4.2
|
9.4
|
1.0
|
CD2
|
A:HIS730
|
4.2
|
11.6
|
1.0
|
O
|
A:HIS696
|
4.2
|
15.0
|
1.0
|
CB
|
A:THR768
|
4.4
|
15.4
|
1.0
|
CB
|
A:ASP697
|
4.5
|
12.3
|
1.0
|
O
|
A:THR768
|
4.5
|
21.0
|
1.0
|
CD2
|
A:HIS700
|
4.5
|
16.6
|
1.0
|
OD2
|
A:ASP808
|
4.6
|
17.0
|
1.0
|
NE2
|
A:HIS656
|
4.6
|
14.6
|
1.0
|
NE2
|
A:HIS696
|
4.6
|
9.6
|
1.0
|
O
|
A:HOH1117
|
4.7
|
20.2
|
1.0
|
NE2
|
A:HIS700
|
4.7
|
16.5
|
1.0
|
CD2
|
A:HIS656
|
4.8
|
13.4
|
1.0
|
CA
|
A:ASP697
|
4.8
|
15.0
|
1.0
|
CG
|
A:GLU727
|
4.9
|
14.3
|
1.0
|
C22
|
A:EPV1001
|
5.0
|
19.1
|
1.0
|
CD
|
A:GLU727
|
5.0
|
20.0
|
1.0
|
|
Magnesium binding site 2 out
of 4 in 6c7j
Go back to
Magnesium Binding Sites List in 6c7j
Magnesium binding site 2 out
of 4 in the Crystal Structure of Human Phosphodiesterase 2A with 1-(5-Tert-Butoxy- 2-Chloro-Phenyl)-N-Isobutyl-4-Methyl-[1,2,4]Triazolo[4,3- A]Quinoxaline-8-Carboxamide
 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 Human Phosphodiesterase 2A with 1-(5-Tert-Butoxy- 2-Chloro-Phenyl)-N-Isobutyl-4-Methyl-[1,2,4]Triazolo[4,3- A]Quinoxaline-8-Carboxamide within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:Mg1003
b:14.3
occ:1.00
|
OD1
|
B:ASP697
|
2.0
|
13.2
|
1.0
|
O
|
B:HOH1131
|
2.0
|
13.2
|
1.0
|
O
|
B:HOH1173
|
2.1
|
12.3
|
1.0
|
O
|
B:HOH1197
|
2.2
|
15.2
|
1.0
|
O
|
B:HOH1147
|
2.2
|
15.4
|
1.0
|
O
|
B:HOH1102
|
2.3
|
12.6
|
1.0
|
CG
|
B:ASP697
|
3.1
|
10.9
|
1.0
|
OD2
|
B:ASP697
|
3.5
|
11.1
|
1.0
|
NE2
|
B:HIS730
|
4.0
|
11.5
|
1.0
|
ZN
|
B:ZN1002
|
4.0
|
18.6
|
1.0
|
OG1
|
B:THR768
|
4.1
|
16.7
|
1.0
|
OE2
|
B:GLU727
|
4.1
|
21.2
|
1.0
|
O
|
B:HOH1218
|
4.1
|
19.6
|
1.0
|
CD2
|
B:HIS730
|
4.2
|
15.3
|
1.0
|
O
|
B:HIS696
|
4.2
|
13.2
|
1.0
|
O
|
B:HOH1242
|
4.2
|
14.5
|
1.0
|
CD2
|
B:HIS696
|
4.3
|
12.4
|
1.0
|
CB
|
B:ASP697
|
4.4
|
12.7
|
1.0
|
CD2
|
B:HIS700
|
4.5
|
14.3
|
1.0
|
CB
|
B:THR768
|
4.5
|
13.8
|
1.0
|
O
|
B:THR768
|
4.5
|
19.2
|
1.0
|
OD2
|
B:ASP808
|
4.6
|
20.7
|
1.0
|
NE2
|
B:HIS656
|
4.6
|
15.8
|
1.0
|
CA
|
B:ASP697
|
4.7
|
12.4
|
1.0
|
NE2
|
B:HIS700
|
4.7
|
16.1
|
1.0
|
CD2
|
B:HIS656
|
4.8
|
19.1
|
1.0
|
NE2
|
B:HIS696
|
4.8
|
9.9
|
1.0
|
O
|
B:HOH1134
|
4.8
|
30.6
|
1.0
|
CG
|
B:GLU727
|
4.9
|
14.8
|
1.0
|
CD
|
B:GLU727
|
4.9
|
23.2
|
1.0
|
C22
|
B:EPV1001
|
4.9
|
18.1
|
1.0
|
|
Magnesium binding site 3 out
of 4 in 6c7j
Go back to
Magnesium Binding Sites List in 6c7j
Magnesium binding site 3 out
of 4 in the Crystal Structure of Human Phosphodiesterase 2A with 1-(5-Tert-Butoxy- 2-Chloro-Phenyl)-N-Isobutyl-4-Methyl-[1,2,4]Triazolo[4,3- A]Quinoxaline-8-Carboxamide
 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 Human Phosphodiesterase 2A with 1-(5-Tert-Butoxy- 2-Chloro-Phenyl)-N-Isobutyl-4-Methyl-[1,2,4]Triazolo[4,3- A]Quinoxaline-8-Carboxamide within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
C:Mg1003
b:15.7
occ:1.00
|
OD1
|
C:ASP697
|
2.0
|
20.5
|
1.0
|
O
|
C:HOH1166
|
2.1
|
17.6
|
1.0
|
O
|
C:HOH1119
|
2.1
|
13.6
|
1.0
|
O
|
C:HOH1136
|
2.2
|
19.1
|
1.0
|
O
|
C:HOH1169
|
2.2
|
11.8
|
1.0
|
O
|
C:HOH1133
|
2.2
|
19.2
|
1.0
|
CG
|
C:ASP697
|
3.1
|
20.2
|
1.0
|
OD2
|
C:ASP697
|
3.5
|
14.1
|
1.0
|
NE2
|
C:HIS730
|
4.0
|
12.3
|
1.0
|
ZN
|
C:ZN1002
|
4.1
|
19.4
|
1.0
|
OE2
|
C:GLU727
|
4.1
|
20.4
|
1.0
|
OG1
|
C:THR768
|
4.1
|
18.5
|
1.0
|
O
|
C:HOH1229
|
4.2
|
16.0
|
1.0
|
O
|
C:HIS696
|
4.2
|
15.1
|
1.0
|
CD2
|
C:HIS696
|
4.2
|
14.7
|
1.0
|
CD2
|
C:HIS730
|
4.3
|
16.8
|
1.0
|
O
|
C:HOH1196
|
4.3
|
16.0
|
1.0
|
CD2
|
C:HIS700
|
4.4
|
16.1
|
1.0
|
CB
|
C:ASP697
|
4.4
|
14.9
|
1.0
|
NE2
|
C:HIS656
|
4.5
|
21.8
|
1.0
|
O
|
C:THR768
|
4.6
|
22.7
|
1.0
|
CB
|
C:THR768
|
4.6
|
17.3
|
1.0
|
NE2
|
C:HIS700
|
4.6
|
15.7
|
1.0
|
CD2
|
C:HIS656
|
4.7
|
19.1
|
1.0
|
CA
|
C:ASP697
|
4.7
|
16.2
|
1.0
|
OD2
|
C:ASP808
|
4.7
|
19.1
|
1.0
|
CG
|
C:GLU727
|
4.7
|
18.1
|
1.0
|
O
|
C:HOH1107
|
4.8
|
27.9
|
1.0
|
NE2
|
C:HIS696
|
4.8
|
14.6
|
1.0
|
CD
|
C:GLU727
|
4.9
|
20.1
|
1.0
|
|
Magnesium binding site 4 out
of 4 in 6c7j
Go back to
Magnesium Binding Sites List in 6c7j
Magnesium binding site 4 out
of 4 in the Crystal Structure of Human Phosphodiesterase 2A with 1-(5-Tert-Butoxy- 2-Chloro-Phenyl)-N-Isobutyl-4-Methyl-[1,2,4]Triazolo[4,3- A]Quinoxaline-8-Carboxamide
 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 Human Phosphodiesterase 2A with 1-(5-Tert-Butoxy- 2-Chloro-Phenyl)-N-Isobutyl-4-Methyl-[1,2,4]Triazolo[4,3- A]Quinoxaline-8-Carboxamide within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
D:Mg1003
b:15.3
occ:1.00
|
O
|
D:HOH1143
|
2.1
|
16.6
|
1.0
|
OD1
|
D:ASP697
|
2.1
|
12.9
|
1.0
|
O
|
D:HOH1125
|
2.1
|
14.0
|
1.0
|
O
|
D:HOH1214
|
2.1
|
11.4
|
1.0
|
O
|
D:HOH1204
|
2.2
|
13.0
|
1.0
|
O
|
D:HOH1127
|
2.2
|
12.9
|
1.0
|
CG
|
D:ASP697
|
3.1
|
13.6
|
1.0
|
OD2
|
D:ASP697
|
3.6
|
14.6
|
1.0
|
OE2
|
D:GLU727
|
4.0
|
16.4
|
1.0
|
O
|
D:HOH1238
|
4.0
|
13.1
|
1.0
|
ZN
|
D:ZN1002
|
4.1
|
18.0
|
1.0
|
OG1
|
D:THR768
|
4.1
|
18.1
|
1.0
|
NE2
|
D:HIS730
|
4.1
|
15.2
|
1.0
|
O
|
D:HOH1196
|
4.1
|
16.1
|
1.0
|
O
|
D:HIS696
|
4.3
|
14.8
|
1.0
|
CD2
|
D:HIS696
|
4.3
|
13.8
|
1.0
|
CD2
|
D:HIS730
|
4.3
|
12.8
|
1.0
|
CD2
|
D:HIS700
|
4.4
|
14.3
|
1.0
|
CB
|
D:ASP697
|
4.4
|
13.4
|
1.0
|
O
|
D:THR768
|
4.5
|
17.5
|
1.0
|
CB
|
D:THR768
|
4.6
|
20.4
|
1.0
|
OD2
|
D:ASP808
|
4.6
|
20.2
|
1.0
|
NE2
|
D:HIS656
|
4.6
|
17.1
|
1.0
|
O
|
D:HOH1104
|
4.7
|
26.9
|
1.0
|
CD2
|
D:HIS656
|
4.7
|
16.8
|
1.0
|
CA
|
D:ASP697
|
4.7
|
19.1
|
1.0
|
NE2
|
D:HIS696
|
4.7
|
14.9
|
1.0
|
NE2
|
D:HIS700
|
4.7
|
16.0
|
1.0
|
CG
|
D:GLU727
|
4.8
|
12.1
|
1.0
|
CD
|
D:GLU727
|
4.8
|
16.9
|
1.0
|
C22
|
D:EPV1001
|
4.9
|
23.4
|
1.0
|
|
Reference:
L.Gomez,
R.Xu,
W.Sinko,
B.Selfridge,
W.Vernier,
K.Ly,
R.Truong,
M.Metz,
T.Marrone,
K.Sebring,
Y.Yan,
B.Appleton,
K.Aertgeerts,
M.E.Massari,
J.G.Breitenbucher.
Mathematical and Structural Characterization of Strong Nonadditive Structure-Activity Relationship Caused By Protein Conformational Changes. J. Med. Chem. V. 61 7754 2018.
ISSN: ISSN 1520-4804
PubMed: 30070482
DOI: 10.1021/ACS.JMEDCHEM.8B00713
Page generated: Mon Sep 30 20:21:34 2024
|