Magnesium in PDB 6c7i: Crystal Structure of Human Phosphodiesterase 2A with 1-(2-Chloro-5- Methoxy-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-(2-Chloro-5- Methoxy-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-(2-Chloro-5- Methoxy-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-(2-Chloro-5- Methoxy-Phenyl)-N-Isobutyl-4-Methyl-[1,2,4]Triazolo[4,3- A]Quinoxaline-8-Carboxamide, PDB code: 6c7i
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)
|
47.40 /
1.71
|
Space group
|
P 1
|
Cell size a, b, c (Å), α, β, γ (°)
|
55.902,
72.682,
90.816,
109.33,
91.13,
91.06
|
R / Rfree (%)
|
17.1 /
21.4
|
Other elements in 6c7i:
The structure of Crystal Structure of Human Phosphodiesterase 2A with 1-(2-Chloro-5- Methoxy-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-(2-Chloro-5- Methoxy-Phenyl)-N-Isobutyl-4-Methyl-[1,2,4]Triazolo[4,3- A]Quinoxaline-8-Carboxamide
(pdb code 6c7i). 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-(2-Chloro-5- Methoxy-Phenyl)-N-Isobutyl-4-Methyl-[1,2,4]Triazolo[4,3- A]Quinoxaline-8-Carboxamide, PDB code: 6c7i:
Jump to Magnesium binding site number:
1;
2;
3;
4;
Magnesium binding site 1 out
of 4 in 6c7i
Go back to
Magnesium Binding Sites List in 6c7i
Magnesium binding site 1 out
of 4 in the Crystal Structure of Human Phosphodiesterase 2A with 1-(2-Chloro-5- Methoxy-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-(2-Chloro-5- Methoxy-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:13.3
occ:1.00
|
O
|
A:HOH1134
|
2.1
|
10.5
|
1.0
|
OD1
|
A:ASP697
|
2.1
|
12.3
|
1.0
|
O
|
A:HOH1265
|
2.1
|
13.3
|
1.0
|
O
|
A:HOH1176
|
2.1
|
11.9
|
1.0
|
O
|
A:HOH1136
|
2.1
|
15.4
|
1.0
|
O
|
A:HOH1191
|
2.1
|
13.2
|
1.0
|
CG
|
A:ASP697
|
3.1
|
11.5
|
1.0
|
OD2
|
A:ASP697
|
3.4
|
13.6
|
1.0
|
ZN
|
A:ZN1002
|
3.9
|
16.8
|
1.0
|
OE2
|
A:GLU727
|
4.0
|
16.8
|
1.0
|
NE2
|
A:HIS730
|
4.1
|
10.7
|
1.0
|
O
|
A:HOH1249
|
4.1
|
12.3
|
1.0
|
OG1
|
A:THR768
|
4.1
|
13.3
|
1.0
|
CD2
|
A:HIS696
|
4.1
|
11.9
|
1.0
|
O
|
A:HOH1208
|
4.2
|
15.0
|
1.0
|
O
|
A:HIS696
|
4.2
|
14.1
|
1.0
|
CD2
|
A:HIS730
|
4.3
|
10.4
|
1.0
|
CB
|
A:ASP697
|
4.4
|
13.1
|
1.0
|
CB
|
A:THR768
|
4.5
|
15.3
|
1.0
|
C18
|
A:EP71001
|
4.5
|
18.6
|
1.0
|
OD2
|
A:ASP808
|
4.5
|
16.2
|
1.0
|
CD2
|
A:HIS700
|
4.5
|
13.8
|
1.0
|
O
|
A:THR768
|
4.6
|
18.2
|
1.0
|
NE2
|
A:HIS696
|
4.6
|
8.9
|
1.0
|
O25
|
A:EP71001
|
4.6
|
24.4
|
1.0
|
NE2
|
A:HIS656
|
4.7
|
16.3
|
1.0
|
CG
|
A:GLU727
|
4.7
|
13.8
|
1.0
|
CA
|
A:ASP697
|
4.8
|
9.4
|
1.0
|
NE2
|
A:HIS700
|
4.8
|
14.3
|
1.0
|
CD2
|
A:HIS656
|
4.8
|
11.7
|
1.0
|
CD
|
A:GLU727
|
4.8
|
15.1
|
1.0
|
O
|
A:HOH1114
|
4.9
|
29.1
|
1.0
|
C17
|
A:EP71001
|
4.9
|
21.1
|
1.0
|
|
Magnesium binding site 2 out
of 4 in 6c7i
Go back to
Magnesium Binding Sites List in 6c7i
Magnesium binding site 2 out
of 4 in the Crystal Structure of Human Phosphodiesterase 2A with 1-(2-Chloro-5- Methoxy-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-(2-Chloro-5- Methoxy-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:13.4
occ:1.00
|
O
|
B:HOH1119
|
2.0
|
11.6
|
1.0
|
O
|
B:HOH1154
|
2.1
|
11.5
|
1.0
|
OD1
|
B:ASP697
|
2.1
|
12.2
|
1.0
|
O
|
B:HOH1260
|
2.1
|
13.0
|
1.0
|
O
|
B:HOH1165
|
2.1
|
13.9
|
1.0
|
O
|
B:HOH1110
|
2.2
|
12.5
|
1.0
|
CG
|
B:ASP697
|
3.1
|
13.3
|
1.0
|
OD2
|
B:ASP697
|
3.5
|
13.4
|
1.0
|
ZN
|
B:ZN1002
|
3.9
|
16.9
|
1.0
|
OE2
|
B:GLU727
|
3.9
|
16.2
|
1.0
|
NE2
|
B:HIS730
|
4.0
|
11.1
|
1.0
|
OG1
|
B:THR768
|
4.0
|
14.3
|
1.0
|
CD2
|
B:HIS696
|
4.1
|
11.1
|
1.0
|
O
|
B:HOH1254
|
4.2
|
13.0
|
1.0
|
O
|
B:HIS696
|
4.2
|
11.7
|
1.0
|
O
|
B:HOH1269
|
4.2
|
14.1
|
1.0
|
CD2
|
B:HIS730
|
4.2
|
15.1
|
1.0
|
CB
|
B:ASP697
|
4.4
|
13.3
|
1.0
|
OD2
|
B:ASP808
|
4.5
|
17.5
|
1.0
|
CB
|
B:THR768
|
4.5
|
14.9
|
1.0
|
CD2
|
B:HIS700
|
4.6
|
13.0
|
1.0
|
NE2
|
B:HIS696
|
4.6
|
8.8
|
1.0
|
O25
|
B:EP71001
|
4.6
|
20.2
|
1.0
|
C18
|
B:EP71001
|
4.6
|
13.1
|
1.0
|
O
|
B:THR768
|
4.7
|
15.6
|
1.0
|
NE2
|
B:HIS656
|
4.7
|
13.2
|
1.0
|
CA
|
B:ASP697
|
4.8
|
12.2
|
1.0
|
CG
|
B:GLU727
|
4.8
|
11.0
|
1.0
|
O
|
B:HOH1126
|
4.8
|
25.2
|
1.0
|
CD
|
B:GLU727
|
4.8
|
14.3
|
1.0
|
CD2
|
B:HIS656
|
4.8
|
13.9
|
1.0
|
NE2
|
B:HIS700
|
4.9
|
15.5
|
1.0
|
C17
|
B:EP71001
|
4.9
|
16.1
|
1.0
|
|
Magnesium binding site 3 out
of 4 in 6c7i
Go back to
Magnesium Binding Sites List in 6c7i
Magnesium binding site 3 out
of 4 in the Crystal Structure of Human Phosphodiesterase 2A with 1-(2-Chloro-5- Methoxy-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-(2-Chloro-5- Methoxy-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:13.4
occ:1.00
|
O
|
C:HOH1134
|
2.0
|
14.6
|
1.0
|
O
|
C:HOH1246
|
2.1
|
12.9
|
1.0
|
OD1
|
C:ASP697
|
2.1
|
12.7
|
1.0
|
O
|
C:HOH1192
|
2.1
|
13.6
|
1.0
|
O
|
C:HOH1147
|
2.1
|
15.5
|
1.0
|
O
|
C:HOH1103
|
2.2
|
15.9
|
1.0
|
CG
|
C:ASP697
|
3.1
|
15.1
|
1.0
|
OD2
|
C:ASP697
|
3.4
|
13.2
|
1.0
|
ZN
|
C:ZN1002
|
4.0
|
18.3
|
1.0
|
OE2
|
C:GLU727
|
4.0
|
17.9
|
1.0
|
NE2
|
C:HIS730
|
4.1
|
13.5
|
1.0
|
O
|
C:HOH1193
|
4.1
|
14.6
|
1.0
|
O
|
C:HOH1232
|
4.1
|
17.8
|
1.0
|
CD2
|
C:HIS696
|
4.2
|
17.2
|
1.0
|
OG1
|
C:THR768
|
4.2
|
16.6
|
1.0
|
O
|
C:HIS696
|
4.3
|
12.2
|
1.0
|
CD2
|
C:HIS730
|
4.3
|
13.3
|
1.0
|
CB
|
C:ASP697
|
4.4
|
13.9
|
1.0
|
CD2
|
C:HIS700
|
4.4
|
18.8
|
1.0
|
O
|
C:THR768
|
4.5
|
15.7
|
1.0
|
OD2
|
C:ASP808
|
4.5
|
20.4
|
1.0
|
CB
|
C:THR768
|
4.6
|
16.3
|
1.0
|
C18
|
C:EP71001
|
4.6
|
19.6
|
1.0
|
NE2
|
C:HIS696
|
4.6
|
13.8
|
1.0
|
NE2
|
C:HIS656
|
4.6
|
18.7
|
1.0
|
O
|
C:HOH1129
|
4.7
|
31.1
|
1.0
|
NE2
|
C:HIS700
|
4.7
|
16.6
|
1.0
|
CA
|
C:ASP697
|
4.7
|
14.5
|
1.0
|
CD2
|
C:HIS656
|
4.7
|
20.9
|
1.0
|
CD
|
C:GLU727
|
4.8
|
18.1
|
1.0
|
CG
|
C:GLU727
|
4.8
|
14.0
|
1.0
|
O25
|
C:EP71001
|
4.9
|
29.7
|
1.0
|
|
Magnesium binding site 4 out
of 4 in 6c7i
Go back to
Magnesium Binding Sites List in 6c7i
Magnesium binding site 4 out
of 4 in the Crystal Structure of Human Phosphodiesterase 2A with 1-(2-Chloro-5- Methoxy-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-(2-Chloro-5- Methoxy-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:12.4
occ:1.00
|
O
|
D:HOH1140
|
2.0
|
11.5
|
1.0
|
OD1
|
D:ASP697
|
2.0
|
11.1
|
1.0
|
O
|
D:HOH1251
|
2.1
|
12.6
|
1.0
|
O
|
D:HOH1144
|
2.1
|
18.1
|
1.0
|
O
|
D:HOH1168
|
2.1
|
13.0
|
1.0
|
O
|
D:HOH1169
|
2.1
|
17.3
|
1.0
|
CG
|
D:ASP697
|
3.1
|
13.4
|
1.0
|
OD2
|
D:ASP697
|
3.5
|
14.8
|
1.0
|
ZN
|
D:ZN1002
|
3.9
|
17.0
|
1.0
|
OE2
|
D:GLU727
|
4.0
|
13.9
|
1.0
|
NE2
|
D:HIS730
|
4.1
|
13.2
|
1.0
|
O
|
D:HOH1184
|
4.1
|
13.2
|
1.0
|
CD2
|
D:HIS696
|
4.1
|
11.9
|
1.0
|
O
|
D:HIS696
|
4.2
|
13.6
|
1.0
|
OG1
|
D:THR768
|
4.2
|
14.8
|
1.0
|
O
|
D:HOH1240
|
4.2
|
15.7
|
1.0
|
CD2
|
D:HIS730
|
4.3
|
14.3
|
1.0
|
CB
|
D:ASP697
|
4.4
|
14.5
|
1.0
|
CD2
|
D:HIS700
|
4.5
|
14.3
|
1.0
|
NE2
|
D:HIS696
|
4.5
|
12.5
|
1.0
|
OD2
|
D:ASP808
|
4.5
|
20.0
|
1.0
|
CB
|
D:THR768
|
4.6
|
16.6
|
1.0
|
O
|
D:THR768
|
4.6
|
17.4
|
1.0
|
NE2
|
D:HIS656
|
4.6
|
14.4
|
1.0
|
CA
|
D:ASP697
|
4.7
|
15.4
|
1.0
|
C18
|
D:EP71001
|
4.7
|
18.6
|
1.0
|
O25
|
D:EP71001
|
4.7
|
30.9
|
1.0
|
CG
|
D:GLU727
|
4.8
|
10.3
|
1.0
|
CD2
|
D:HIS656
|
4.8
|
15.3
|
1.0
|
NE2
|
D:HIS700
|
4.8
|
16.1
|
1.0
|
CD
|
D:GLU727
|
4.8
|
13.4
|
1.0
|
O
|
D:HOH1129
|
4.9
|
29.0
|
1.0
|
C
|
D:HIS696
|
5.0
|
12.5
|
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 20:17:31 2024
|