Magnesium in PDB 6ltw: Crystal Structure of Apo Form of I122A/I330A Variant of S- Adenosylmethionine Synthetase From Cryptosporidium Hominis
Enzymatic activity of Crystal Structure of Apo Form of I122A/I330A Variant of S- Adenosylmethionine Synthetase From Cryptosporidium Hominis
All present enzymatic activity of Crystal Structure of Apo Form of I122A/I330A Variant of S- Adenosylmethionine Synthetase From Cryptosporidium Hominis:
2.5.1.6;
Protein crystallography data
The structure of Crystal Structure of Apo Form of I122A/I330A Variant of S- Adenosylmethionine Synthetase From Cryptosporidium Hominis, PDB code: 6ltw
was solved by
R.K.Singh,
F.Michailidou,
A.Rentmeister,
D.Kuemmel,
with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:
Resolution Low / High (Å)
|
48.08 /
1.65
|
Space group
|
P 1 21 1
|
Cell size a, b, c (Å), α, β, γ (°)
|
62.877,
100.360,
66.842,
90.00,
95.86,
90.00
|
R / Rfree (%)
|
15.6 /
19.1
|
Magnesium Binding Sites:
The binding sites of Magnesium atom in the Crystal Structure of Apo Form of I122A/I330A Variant of S- Adenosylmethionine Synthetase From Cryptosporidium Hominis
(pdb code 6ltw). 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 Apo Form of I122A/I330A Variant of S- Adenosylmethionine Synthetase From Cryptosporidium Hominis, PDB code: 6ltw:
Jump to Magnesium binding site number:
1;
2;
3;
4;
Magnesium binding site 1 out
of 4 in 6ltw
Go back to
Magnesium Binding Sites List in 6ltw
Magnesium binding site 1 out
of 4 in the Crystal Structure of Apo Form of I122A/I330A Variant of S- Adenosylmethionine Synthetase From Cryptosporidium Hominis
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 Apo Form of I122A/I330A Variant of S- Adenosylmethionine Synthetase From Cryptosporidium Hominis within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Mg501
b:20.1
occ:1.00
|
O4
|
A:PO4504
|
1.9
|
21.4
|
1.0
|
O3
|
A:PO4503
|
1.9
|
24.8
|
1.0
|
O
|
A:HOH730
|
2.1
|
25.1
|
1.0
|
O
|
A:HOH651
|
2.1
|
21.6
|
1.0
|
OD2
|
A:ASP36
|
2.1
|
16.2
|
1.0
|
O
|
A:HOH669
|
2.2
|
22.2
|
1.0
|
CG
|
A:ASP36
|
3.0
|
18.4
|
1.0
|
P
|
A:PO4503
|
3.3
|
25.6
|
1.0
|
P
|
A:PO4504
|
3.3
|
23.9
|
1.0
|
OD1
|
A:ASP36
|
3.4
|
19.5
|
1.0
|
O1
|
A:PO4503
|
3.5
|
36.7
|
1.0
|
O3
|
A:PO4504
|
3.6
|
27.9
|
1.0
|
NZ
|
A:LYS273
|
3.6
|
19.6
|
1.0
|
O2
|
A:PO4503
|
4.0
|
30.2
|
1.0
|
OD2
|
A:ASP266
|
4.1
|
30.8
|
1.0
|
CE1
|
A:HIS34
|
4.1
|
21.1
|
1.0
|
O
|
B:HOH633
|
4.1
|
35.0
|
1.0
|
NH2
|
A:ARG272
|
4.1
|
21.6
|
1.0
|
O1
|
A:PO4504
|
4.3
|
23.8
|
1.0
|
O2
|
A:PO4504
|
4.3
|
24.3
|
1.0
|
O
|
A:ALA267
|
4.3
|
24.1
|
1.0
|
O4
|
A:PO4503
|
4.4
|
29.4
|
1.0
|
CB
|
A:ASP36
|
4.4
|
18.5
|
1.0
|
CB
|
A:ARG272
|
4.6
|
17.1
|
1.0
|
NE2
|
A:HIS34
|
4.7
|
20.1
|
1.0
|
CZ
|
A:ARG272
|
4.8
|
20.6
|
1.0
|
CE
|
A:LYS273
|
4.8
|
17.7
|
1.0
|
NE
|
A:ARG272
|
4.8
|
20.9
|
1.0
|
CG
|
A:ASP266
|
4.9
|
30.2
|
1.0
|
OE2
|
B:GLU62
|
4.9
|
29.6
|
1.0
|
|
Magnesium binding site 2 out
of 4 in 6ltw
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Magnesium Binding Sites List in 6ltw
Magnesium binding site 2 out
of 4 in the Crystal Structure of Apo Form of I122A/I330A Variant of S- Adenosylmethionine Synthetase From Cryptosporidium Hominis
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 Apo Form of I122A/I330A Variant of S- Adenosylmethionine Synthetase From Cryptosporidium Hominis within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Mg502
b:40.0
occ:1.00
|
O
|
A:HOH603
|
2.2
|
39.0
|
1.0
|
O2
|
B:PO4503
|
2.4
|
21.9
|
1.0
|
O2
|
B:PO4504
|
2.4
|
26.6
|
1.0
|
O
|
B:HOH623
|
2.6
|
32.4
|
1.0
|
O
|
B:HOH624
|
3.1
|
23.8
|
1.0
|
O4
|
B:PO4504
|
3.1
|
37.2
|
1.0
|
OD2
|
A:ASP299
|
3.3
|
19.1
|
1.0
|
P
|
B:PO4503
|
3.4
|
22.6
|
1.0
|
O3
|
B:PO4503
|
3.4
|
24.8
|
1.0
|
P
|
B:PO4504
|
3.4
|
25.1
|
1.0
|
OD1
|
A:ASP299
|
3.8
|
23.5
|
1.0
|
CG
|
A:ASP299
|
3.9
|
22.4
|
1.0
|
NZ
|
B:LYS273
|
4.0
|
18.5
|
1.0
|
O
|
B:HOH751
|
4.1
|
22.8
|
1.0
|
O1
|
B:PO4503
|
4.1
|
18.8
|
1.0
|
O
|
A:HOH698
|
4.3
|
27.8
|
1.0
|
O3
|
B:PO4504
|
4.4
|
23.3
|
1.0
|
CA
|
A:GLY288
|
4.5
|
18.3
|
1.0
|
O4
|
B:PO4503
|
4.5
|
25.9
|
1.0
|
OE2
|
B:GLU28
|
4.6
|
20.9
|
1.0
|
O1
|
B:PO4504
|
4.6
|
28.6
|
1.0
|
NZ
|
B:LYS189
|
4.6
|
23.7
|
1.0
|
CE
|
B:LYS273
|
4.7
|
17.9
|
1.0
|
O
|
A:HOH720
|
4.8
|
19.9
|
1.0
|
OD2
|
A:ASP139
|
4.8
|
29.8
|
1.0
|
N
|
A:GLY288
|
4.9
|
17.1
|
1.0
|
|
Magnesium binding site 3 out
of 4 in 6ltw
Go back to
Magnesium Binding Sites List in 6ltw
Magnesium binding site 3 out
of 4 in the Crystal Structure of Apo Form of I122A/I330A Variant of S- Adenosylmethionine Synthetase From Cryptosporidium Hominis
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 Apo Form of I122A/I330A Variant of S- Adenosylmethionine Synthetase From Cryptosporidium Hominis within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:Mg501
b:18.2
occ:1.00
|
O1
|
B:PO4503
|
1.8
|
18.8
|
1.0
|
O
|
B:HOH682
|
1.9
|
21.6
|
1.0
|
O3
|
B:PO4504
|
2.0
|
23.3
|
1.0
|
OD2
|
B:ASP36
|
2.1
|
18.8
|
1.0
|
O
|
B:HOH695
|
2.1
|
20.8
|
1.0
|
O
|
B:HOH759
|
2.1
|
25.5
|
1.0
|
CG
|
B:ASP36
|
3.1
|
19.5
|
1.0
|
P
|
B:PO4503
|
3.3
|
22.6
|
1.0
|
P
|
B:PO4504
|
3.3
|
25.1
|
1.0
|
OD1
|
B:ASP36
|
3.4
|
19.6
|
1.0
|
O4
|
B:PO4504
|
3.6
|
37.2
|
1.0
|
NZ
|
B:LYS273
|
3.6
|
18.5
|
1.0
|
O3
|
B:PO4503
|
3.7
|
24.8
|
1.0
|
O
|
A:HOH622
|
4.0
|
34.7
|
1.0
|
O2
|
B:PO4504
|
4.0
|
26.6
|
1.0
|
NH2
|
B:ARG272
|
4.1
|
21.7
|
1.0
|
CE1
|
B:HIS34
|
4.2
|
19.1
|
1.0
|
OD2
|
B:ASP266
|
4.2
|
32.4
|
1.0
|
O4
|
B:PO4503
|
4.3
|
25.9
|
1.0
|
O2
|
B:PO4503
|
4.3
|
21.9
|
1.0
|
O
|
B:ALA267
|
4.3
|
23.9
|
1.0
|
O1
|
B:PO4504
|
4.4
|
28.6
|
1.0
|
CB
|
B:ASP36
|
4.4
|
18.9
|
1.0
|
CB
|
B:ARG272
|
4.6
|
18.0
|
1.0
|
NE2
|
B:HIS34
|
4.7
|
20.4
|
1.0
|
CZ
|
B:ARG272
|
4.7
|
20.3
|
1.0
|
NE
|
B:ARG272
|
4.8
|
20.9
|
1.0
|
CE
|
B:LYS273
|
4.8
|
17.9
|
1.0
|
OE2
|
A:GLU62
|
4.9
|
29.6
|
1.0
|
CG
|
B:ASP266
|
4.9
|
30.9
|
1.0
|
|
Magnesium binding site 4 out
of 4 in 6ltw
Go back to
Magnesium Binding Sites List in 6ltw
Magnesium binding site 4 out
of 4 in the Crystal Structure of Apo Form of I122A/I330A Variant of S- Adenosylmethionine Synthetase From Cryptosporidium Hominis
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 Apo Form of I122A/I330A Variant of S- Adenosylmethionine Synthetase From Cryptosporidium Hominis within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:Mg502
b:47.4
occ:1.00
|
O2
|
A:PO4504
|
2.4
|
24.3
|
1.0
|
O
|
A:HOH625
|
2.5
|
28.1
|
1.0
|
O2
|
A:PO4503
|
2.5
|
30.2
|
1.0
|
O
|
B:HOH767
|
2.9
|
35.7
|
1.0
|
O
|
A:HOH645
|
3.0
|
23.8
|
1.0
|
OD2
|
B:ASP299
|
3.3
|
19.8
|
1.0
|
O1
|
A:PO4503
|
3.3
|
36.7
|
1.0
|
P
|
A:PO4504
|
3.4
|
23.9
|
1.0
|
O3
|
A:PO4504
|
3.5
|
27.9
|
1.0
|
P
|
A:PO4503
|
3.5
|
25.6
|
1.0
|
OD1
|
B:ASP299
|
3.7
|
24.4
|
1.0
|
CG
|
B:ASP299
|
3.8
|
22.3
|
1.0
|
O4
|
A:PO4504
|
4.1
|
21.4
|
1.0
|
O
|
A:HOH792
|
4.1
|
24.1
|
1.0
|
NZ
|
A:LYS273
|
4.1
|
19.6
|
1.0
|
O
|
B:HOH679
|
4.3
|
29.3
|
1.0
|
OE2
|
A:GLU28
|
4.5
|
19.1
|
1.0
|
NZ
|
A:LYS189
|
4.5
|
22.0
|
1.0
|
CA
|
B:GLY288
|
4.5
|
19.1
|
1.0
|
O3
|
A:PO4503
|
4.5
|
24.8
|
1.0
|
O1
|
A:PO4504
|
4.6
|
23.8
|
1.0
|
O4
|
A:PO4503
|
4.6
|
29.4
|
1.0
|
O
|
B:HOH717
|
4.6
|
18.8
|
1.0
|
CE
|
A:LYS273
|
4.7
|
17.7
|
1.0
|
OD2
|
B:ASP139
|
4.9
|
31.1
|
1.0
|
O
|
B:GLN140
|
4.9
|
23.4
|
1.0
|
N
|
B:GLY288
|
5.0
|
16.6
|
1.0
|
|
Reference:
F.Michailidou,
N.Klocker,
N.Cornelissen,
R.K.Singh,
A.Peters,
A.Ovcharenko,
D.Kummel,
A.Rentmeister.
Engineered Sam Synthetases For Enzymatic Generation of Adomet Analogs with Photocaging Groups and Reversible Dna Modification in Cascade Reactions. Angew.Chem.Int.Ed.Engl. 2020.
ISSN: ESSN 1521-3773
PubMed: 33017502
DOI: 10.1002/ANIE.202012623
Page generated: Tue Oct 1 10:36:47 2024
|