Magnesium in PDB 4kfj: Human Dihydrofolate Reductase Complexed with Nadph and 5-{3-[3- Methoxy-5-(Isoquin-5-Yl)Phenyl]Prop-1-Yn-1-Yl}6-Ethylprimidine-2,4- Diamine
Enzymatic activity of Human Dihydrofolate Reductase Complexed with Nadph and 5-{3-[3- Methoxy-5-(Isoquin-5-Yl)Phenyl]Prop-1-Yn-1-Yl}6-Ethylprimidine-2,4- Diamine
All present enzymatic activity of Human Dihydrofolate Reductase Complexed with Nadph and 5-{3-[3- Methoxy-5-(Isoquin-5-Yl)Phenyl]Prop-1-Yn-1-Yl}6-Ethylprimidine-2,4- Diamine:
1.5.1.3;
Protein crystallography data
The structure of Human Dihydrofolate Reductase Complexed with Nadph and 5-{3-[3- Methoxy-5-(Isoquin-5-Yl)Phenyl]Prop-1-Yn-1-Yl}6-Ethylprimidine-2,4- Diamine, PDB code: 4kfj
was solved by
K.M.Lamb,
A.C.Anderson,
with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:
Resolution Low / High (Å)
|
19.89 /
1.76
|
Space group
|
C 2 2 21
|
Cell size a, b, c (Å), α, β, γ (°)
|
87.811,
94.075,
96.294,
90.00,
90.00,
90.00
|
R / Rfree (%)
|
19.6 /
24.5
|
Other elements in 4kfj:
The structure of Human Dihydrofolate Reductase Complexed with Nadph and 5-{3-[3- Methoxy-5-(Isoquin-5-Yl)Phenyl]Prop-1-Yn-1-Yl}6-Ethylprimidine-2,4- Diamine also contains other interesting chemical elements:
Magnesium Binding Sites:
The binding sites of Magnesium atom in the Human Dihydrofolate Reductase Complexed with Nadph and 5-{3-[3- Methoxy-5-(Isoquin-5-Yl)Phenyl]Prop-1-Yn-1-Yl}6-Ethylprimidine-2,4- Diamine
(pdb code 4kfj). This binding sites where shown within
5.0 Angstroms radius around Magnesium atom.
In total 5 binding sites of Magnesium where determined in the
Human Dihydrofolate Reductase Complexed with Nadph and 5-{3-[3- Methoxy-5-(Isoquin-5-Yl)Phenyl]Prop-1-Yn-1-Yl}6-Ethylprimidine-2,4- Diamine, PDB code: 4kfj:
Jump to Magnesium binding site number:
1;
2;
3;
4;
5;
Magnesium binding site 1 out
of 5 in 4kfj
Go back to
Magnesium Binding Sites List in 4kfj
Magnesium binding site 1 out
of 5 in the Human Dihydrofolate Reductase Complexed with Nadph and 5-{3-[3- Methoxy-5-(Isoquin-5-Yl)Phenyl]Prop-1-Yn-1-Yl}6-Ethylprimidine-2,4- Diamine
 Mono view
 Stereo pair view
|
A full contact list of Magnesium with other atoms in the Mg binding
site number 1 of Human Dihydrofolate Reductase Complexed with Nadph and 5-{3-[3- Methoxy-5-(Isoquin-5-Yl)Phenyl]Prop-1-Yn-1-Yl}6-Ethylprimidine-2,4- Diamine within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Mg203
b:30.8
occ:1.00
|
O
|
A:ASN64
|
2.9
|
27.2
|
1.0
|
N
|
A:LYS68
|
3.0
|
14.7
|
1.0
|
O
|
A:PRO66
|
3.6
|
19.7
|
1.0
|
CB
|
A:LYS68
|
3.6
|
20.3
|
1.0
|
CA
|
A:LEU67
|
3.6
|
14.2
|
1.0
|
C
|
A:ASN64
|
3.7
|
30.5
|
1.0
|
CG
|
A:LYS68
|
3.7
|
23.5
|
1.0
|
C
|
A:LEU67
|
3.8
|
15.9
|
1.0
|
CAL
|
A:1R0202
|
3.8
|
57.8
|
1.0
|
CA
|
A:ASN64
|
3.9
|
30.8
|
1.0
|
CA
|
A:LYS68
|
3.9
|
15.2
|
1.0
|
CD
|
A:LYS68
|
4.0
|
22.3
|
1.0
|
CB
|
A:ASN64
|
4.0
|
28.9
|
1.0
|
NAR
|
A:1R0202
|
4.1
|
73.0
|
1.0
|
CE
|
A:LYS68
|
4.2
|
32.2
|
1.0
|
C
|
A:PRO66
|
4.4
|
19.5
|
1.0
|
OD1
|
A:ASN64
|
4.4
|
34.7
|
0.8
|
N
|
A:LEU67
|
4.4
|
17.7
|
1.0
|
NH2
|
A:ARG70
|
4.5
|
13.1
|
1.0
|
CG
|
A:ASN64
|
4.5
|
36.6
|
1.0
|
CD2
|
A:LEU67
|
4.6
|
21.6
|
1.0
|
O
|
A:HOH447
|
4.6
|
35.9
|
1.0
|
CBD
|
A:1R0202
|
4.6
|
61.8
|
1.0
|
CB
|
A:LEU67
|
4.7
|
14.5
|
1.0
|
N
|
A:ARG65
|
4.9
|
23.2
|
1.0
|
CAJ
|
A:1R0202
|
4.9
|
38.2
|
1.0
|
O
|
A:LEU67
|
5.0
|
14.1
|
1.0
|
|
Magnesium binding site 2 out
of 5 in 4kfj
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Magnesium Binding Sites List in 4kfj
Magnesium binding site 2 out
of 5 in the Human Dihydrofolate Reductase Complexed with Nadph and 5-{3-[3- Methoxy-5-(Isoquin-5-Yl)Phenyl]Prop-1-Yn-1-Yl}6-Ethylprimidine-2,4- Diamine
 Mono view
 Stereo pair view
|
A full contact list of Magnesium with other atoms in the Mg binding
site number 2 of Human Dihydrofolate Reductase Complexed with Nadph and 5-{3-[3- Methoxy-5-(Isoquin-5-Yl)Phenyl]Prop-1-Yn-1-Yl}6-Ethylprimidine-2,4- Diamine within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Mg206
b:26.0
occ:1.00
|
O
|
A:GLU143
|
2.7
|
14.1
|
1.0
|
O
|
A:PRO23
|
2.9
|
13.4
|
1.0
|
O
|
A:HOH411
|
3.2
|
33.8
|
1.0
|
OE1
|
A:GLU143
|
3.3
|
41.7
|
1.0
|
CB
|
A:GLU143
|
3.5
|
16.9
|
1.0
|
N
|
A:GLU143
|
3.5
|
12.5
|
1.0
|
C
|
A:GLU143
|
3.6
|
11.0
|
1.0
|
CD
|
A:GLU143
|
3.7
|
60.1
|
1.0
|
C
|
A:PRO23
|
3.8
|
16.2
|
1.0
|
CA
|
A:GLU143
|
3.8
|
14.3
|
1.0
|
CA
|
A:PRO23
|
3.8
|
8.3
|
1.0
|
CB
|
A:PRO23
|
4.0
|
9.3
|
1.0
|
CB
|
B:PRO163
|
4.0
|
23.1
|
1.0
|
CG
|
A:LYS18
|
4.1
|
21.5
|
1.0
|
CG
|
A:GLU143
|
4.2
|
31.9
|
1.0
|
OE2
|
A:GLU143
|
4.3
|
58.0
|
1.0
|
CB
|
A:PHE142
|
4.3
|
15.8
|
1.0
|
C
|
A:PHE142
|
4.3
|
16.1
|
1.0
|
CB
|
A:LYS18
|
4.4
|
16.6
|
1.0
|
CD1
|
A:PHE142
|
4.6
|
8.9
|
1.0
|
CA
|
A:PHE142
|
4.7
|
9.1
|
1.0
|
CD
|
A:LYS18
|
4.8
|
21.8
|
1.0
|
N
|
A:SER144
|
4.9
|
15.2
|
1.0
|
CG
|
A:PHE142
|
5.0
|
9.2
|
1.0
|
|
Magnesium binding site 3 out
of 5 in 4kfj
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Magnesium Binding Sites List in 4kfj
Magnesium binding site 3 out
of 5 in the Human Dihydrofolate Reductase Complexed with Nadph and 5-{3-[3- Methoxy-5-(Isoquin-5-Yl)Phenyl]Prop-1-Yn-1-Yl}6-Ethylprimidine-2,4- Diamine
 Mono view
 Stereo pair view
|
A full contact list of Magnesium with other atoms in the Mg binding
site number 3 of Human Dihydrofolate Reductase Complexed with Nadph and 5-{3-[3- Methoxy-5-(Isoquin-5-Yl)Phenyl]Prop-1-Yn-1-Yl}6-Ethylprimidine-2,4- Diamine within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:Mg203
b:35.8
occ:1.00
|
O
|
B:HOH412
|
2.6
|
15.2
|
1.0
|
OD1
|
B:ASP21
|
2.9
|
18.8
|
1.0
|
O
|
B:SER59
|
3.0
|
15.2
|
1.0
|
O
|
B:HOH345
|
3.2
|
24.2
|
1.0
|
C13
|
B:FOL202
|
3.5
|
22.2
|
1.0
|
CG
|
B:ASP21
|
3.9
|
26.4
|
1.0
|
C
|
B:SER59
|
3.9
|
17.3
|
1.0
|
OG
|
B:SER59
|
4.0
|
10.7
|
1.0
|
O
|
B:HOH433
|
4.1
|
27.4
|
1.0
|
CB
|
B:SER59
|
4.2
|
14.2
|
1.0
|
CG
|
B:LEU22
|
4.3
|
15.2
|
1.0
|
C12
|
B:FOL202
|
4.3
|
20.6
|
1.0
|
CA
|
B:ASP21
|
4.3
|
13.5
|
1.0
|
N10
|
B:FOL202
|
4.4
|
14.7
|
1.0
|
O2D
|
B:NDP201
|
4.4
|
8.5
|
1.0
|
N
|
B:LEU22
|
4.4
|
9.8
|
1.0
|
C14
|
B:FOL202
|
4.4
|
17.6
|
1.0
|
CA
|
B:SER59
|
4.6
|
12.5
|
1.0
|
OD2
|
B:ASP21
|
4.6
|
28.4
|
1.0
|
CD2
|
B:LEU22
|
4.7
|
12.7
|
1.0
|
CB
|
B:ASP21
|
4.7
|
15.9
|
1.0
|
C
|
B:ASP21
|
4.7
|
9.0
|
1.0
|
N
|
B:ILE60
|
4.8
|
11.0
|
1.0
|
CD1
|
B:LEU22
|
4.9
|
17.5
|
1.0
|
O
|
B:GLY20
|
4.9
|
15.4
|
1.0
|
CD
|
B:PRO61
|
4.9
|
20.1
|
1.0
|
|
Magnesium binding site 4 out
of 5 in 4kfj
Go back to
Magnesium Binding Sites List in 4kfj
Magnesium binding site 4 out
of 5 in the Human Dihydrofolate Reductase Complexed with Nadph and 5-{3-[3- Methoxy-5-(Isoquin-5-Yl)Phenyl]Prop-1-Yn-1-Yl}6-Ethylprimidine-2,4- Diamine
 Mono view
 Stereo pair view
|
A full contact list of Magnesium with other atoms in the Mg binding
site number 4 of Human Dihydrofolate Reductase Complexed with Nadph and 5-{3-[3- Methoxy-5-(Isoquin-5-Yl)Phenyl]Prop-1-Yn-1-Yl}6-Ethylprimidine-2,4- Diamine within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:Mg205
b:35.6
occ:1.00
|
N
|
B:SER41
|
2.9
|
13.3
|
1.0
|
O
|
B:SER41
|
3.0
|
14.9
|
1.0
|
C
|
B:SER41
|
3.7
|
15.1
|
1.0
|
CA
|
B:THR40
|
3.7
|
17.6
|
1.0
|
CA
|
B:SER41
|
3.8
|
15.0
|
1.0
|
C
|
B:THR40
|
3.8
|
12.8
|
1.0
|
O
|
B:THR39
|
3.8
|
12.3
|
1.0
|
CB
|
B:SER41
|
4.2
|
18.1
|
1.0
|
CG2
|
B:THR40
|
4.4
|
14.9
|
1.0
|
C
|
B:THR39
|
4.5
|
12.7
|
1.0
|
N
|
B:THR40
|
4.6
|
15.1
|
1.0
|
CB
|
B:THR40
|
4.6
|
8.6
|
1.0
|
O
|
B:HOH466
|
4.6
|
31.8
|
1.0
|
O
|
B:HOH314
|
4.6
|
12.9
|
1.0
|
N
|
B:SER42
|
4.9
|
20.5
|
1.0
|
OG1
|
B:THR40
|
5.0
|
14.2
|
1.0
|
O
|
B:THR40
|
5.0
|
14.7
|
1.0
|
CG2
|
B:THR39
|
5.0
|
11.3
|
1.0
|
|
Magnesium binding site 5 out
of 5 in 4kfj
Go back to
Magnesium Binding Sites List in 4kfj
Magnesium binding site 5 out
of 5 in the Human Dihydrofolate Reductase Complexed with Nadph and 5-{3-[3- Methoxy-5-(Isoquin-5-Yl)Phenyl]Prop-1-Yn-1-Yl}6-Ethylprimidine-2,4- Diamine
 Mono view
 Stereo pair view
|
A full contact list of Magnesium with other atoms in the Mg binding
site number 5 of Human Dihydrofolate Reductase Complexed with Nadph and 5-{3-[3- Methoxy-5-(Isoquin-5-Yl)Phenyl]Prop-1-Yn-1-Yl}6-Ethylprimidine-2,4- Diamine within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:Mg206
b:31.5
occ:1.00
|
O
|
B:HOH383
|
2.8
|
20.7
|
1.0
|
O
|
B:TYR156
|
3.0
|
16.0
|
1.0
|
O
|
B:LEU153
|
3.1
|
19.2
|
1.0
|
CB
|
B:LEU153
|
3.4
|
19.7
|
1.0
|
C
|
B:LEU153
|
3.9
|
13.7
|
1.0
|
CA
|
B:LEU153
|
3.9
|
9.6
|
1.0
|
CA
|
B:LYS157
|
3.9
|
14.9
|
1.0
|
CD2
|
B:LEU153
|
4.0
|
20.6
|
1.0
|
C
|
B:TYR156
|
4.0
|
14.8
|
1.0
|
CG
|
B:LEU153
|
4.1
|
18.7
|
1.0
|
CD1
|
B:LEU153
|
4.2
|
21.4
|
1.0
|
N
|
B:LYS157
|
4.4
|
11.5
|
1.0
|
CG
|
B:LYS157
|
4.6
|
34.8
|
1.0
|
CB
|
B:LYS157
|
4.7
|
17.1
|
1.0
|
N
|
B:LEU158
|
4.7
|
10.2
|
1.0
|
C
|
B:LYS157
|
4.9
|
16.0
|
1.0
|
|
Reference:
K.M.Lamb,
N.G-Dayanandan,
D.L.Wright,
A.C.Anderson.
Elucidating Features That Drive the Design of Selective Antifolates Using Crystal Structures of Human Dihydrofolate Reductase. Biochemistry V. 52 7318 2013.
ISSN: ISSN 0006-2960
PubMed: 24053334
DOI: 10.1021/BI400852H
Page generated: Sat Aug 17 03:34:23 2024
|