Magnesium in PDB 6g7m: Four-Site Variant (Y222C, C197S, C432S, C433S) of E. Coli Hydrogenase- 2
Enzymatic activity of Four-Site Variant (Y222C, C197S, C432S, C433S) of E. Coli Hydrogenase- 2
All present enzymatic activity of Four-Site Variant (Y222C, C197S, C432S, C433S) of E. Coli Hydrogenase- 2:
1.12.99.6;
Protein crystallography data
The structure of Four-Site Variant (Y222C, C197S, C432S, C433S) of E. Coli Hydrogenase- 2, PDB code: 6g7m
was solved by
S.B.Carr,
F.A.Armstrong,
L.Zhang,
S.E.Beaton,
with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:
Resolution Low / High (Å)
|
86.75 /
1.71
|
Space group
|
P 21 21 21
|
Cell size a, b, c (Å), α, β, γ (°)
|
100.237,
100.986,
169.425,
90.00,
90.00,
90.00
|
R / Rfree (%)
|
15.7 /
19
|
Other elements in 6g7m:
The structure of Four-Site Variant (Y222C, C197S, C432S, C433S) of E. Coli Hydrogenase- 2 also contains other interesting chemical elements:
Magnesium Binding Sites:
The binding sites of Magnesium atom in the Four-Site Variant (Y222C, C197S, C432S, C433S) of E. Coli Hydrogenase- 2
(pdb code 6g7m). This binding sites where shown within
5.0 Angstroms radius around Magnesium atom.
In total 4 binding sites of Magnesium where determined in the
Four-Site Variant (Y222C, C197S, C432S, C433S) of E. Coli Hydrogenase- 2, PDB code: 6g7m:
Jump to Magnesium binding site number:
1;
2;
3;
4;
Magnesium binding site 1 out
of 4 in 6g7m
Go back to
Magnesium Binding Sites List in 6g7m
Magnesium binding site 1 out
of 4 in the Four-Site Variant (Y222C, C197S, C432S, C433S) of E. Coli Hydrogenase- 2
 Mono view
 Stereo pair view
|
A full contact list of Magnesium with other atoms in the Mg binding
site number 1 of Four-Site Variant (Y222C, C197S, C432S, C433S) of E. Coli Hydrogenase- 2 within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
L:Mg603
b:7.1
occ:1.00
|
O
|
L:HOH747
|
2.0
|
11.2
|
1.0
|
O
|
L:HOH743
|
2.1
|
11.0
|
1.0
|
O
|
L:HOH722
|
2.1
|
12.5
|
1.0
|
O
|
L:ALA498
|
2.1
|
10.9
|
1.0
|
OE2
|
L:GLU42
|
2.2
|
12.7
|
1.0
|
NE2
|
L:HIS552
|
2.2
|
11.6
|
1.0
|
CE1
|
L:HIS552
|
3.1
|
11.8
|
1.0
|
CD
|
L:GLU42
|
3.2
|
11.9
|
1.0
|
CD2
|
L:HIS552
|
3.2
|
10.8
|
1.0
|
C
|
L:ALA498
|
3.3
|
12.4
|
1.0
|
OE1
|
L:GLU42
|
3.5
|
12.8
|
1.0
|
N
|
L:ALA498
|
3.8
|
11.7
|
1.0
|
OE1
|
L:GLN497
|
4.0
|
16.4
|
1.0
|
CA
|
L:ALA498
|
4.1
|
11.4
|
1.0
|
OE2
|
L:GLU329
|
4.2
|
13.4
|
1.0
|
O
|
L:HOH793
|
4.2
|
12.7
|
1.0
|
OE1
|
L:GLU329
|
4.2
|
15.7
|
1.0
|
O
|
L:HOH932
|
4.3
|
12.2
|
1.0
|
ND1
|
L:HIS552
|
4.3
|
11.3
|
1.0
|
NZ
|
L:LYS366
|
4.3
|
12.0
|
1.0
|
CG
|
L:HIS552
|
4.4
|
11.9
|
1.0
|
N
|
L:VAL499
|
4.4
|
12.5
|
1.0
|
CB
|
L:ALA498
|
4.5
|
12.3
|
1.0
|
CG
|
L:GLU42
|
4.5
|
12.8
|
1.0
|
CD
|
L:LYS366
|
4.5
|
12.3
|
1.0
|
CD
|
L:GLU329
|
4.6
|
14.6
|
1.0
|
CA
|
L:VAL499
|
4.7
|
12.5
|
1.0
|
C
|
L:GLN497
|
4.8
|
12.0
|
1.0
|
CE
|
L:LYS366
|
4.8
|
12.3
|
1.0
|
CA
|
L:GLN497
|
5.0
|
12.3
|
1.0
|
|
Magnesium binding site 2 out
of 4 in 6g7m
Go back to
Magnesium Binding Sites List in 6g7m
Magnesium binding site 2 out
of 4 in the Four-Site Variant (Y222C, C197S, C432S, C433S) of E. Coli Hydrogenase- 2
 Mono view
 Stereo pair view
|
A full contact list of Magnesium with other atoms in the Mg binding
site number 2 of Four-Site Variant (Y222C, C197S, C432S, C433S) of E. Coli Hydrogenase- 2 within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
L:Mg604
b:47.1
occ:1.00
|
O
|
L:HOH939
|
2.1
|
24.7
|
1.0
|
O
|
L:HOH985
|
2.4
|
23.7
|
1.0
|
O
|
L:HOH817
|
2.5
|
28.2
|
1.0
|
OD1
|
L:ASN81
|
4.0
|
19.4
|
1.0
|
ND2
|
L:ASN294
|
4.1
|
17.3
|
1.0
|
O
|
L:HOH733
|
4.3
|
22.2
|
1.0
|
CA
|
L:SER78
|
4.3
|
12.6
|
1.0
|
CA
|
L:ASN81
|
4.4
|
14.5
|
1.0
|
O
|
L:GLU77
|
4.4
|
14.5
|
1.0
|
O
|
L:HOH934
|
4.5
|
20.8
|
1.0
|
O
|
L:ILE82
|
4.5
|
15.0
|
1.0
|
O
|
L:HOH899
|
4.6
|
16.9
|
1.0
|
O
|
L:SER78
|
4.6
|
14.2
|
1.0
|
OG
|
L:SER319
|
4.7
|
21.4
|
1.0
|
N
|
L:ILE82
|
4.9
|
14.4
|
1.0
|
C
|
L:ASN81
|
4.9
|
14.6
|
1.0
|
OD1
|
L:ASP83
|
4.9
|
22.1
|
1.0
|
CG
|
L:ASN81
|
4.9
|
17.4
|
1.0
|
C
|
L:SER78
|
5.0
|
13.2
|
1.0
|
N
|
L:SER78
|
5.0
|
12.5
|
1.0
|
O
|
L:HOH1029
|
5.0
|
26.0
|
1.0
|
|
Magnesium binding site 3 out
of 4 in 6g7m
Go back to
Magnesium Binding Sites List in 6g7m
Magnesium binding site 3 out
of 4 in the Four-Site Variant (Y222C, C197S, C432S, C433S) of E. Coli Hydrogenase- 2
 Mono view
 Stereo pair view
|
A full contact list of Magnesium with other atoms in the Mg binding
site number 3 of Four-Site Variant (Y222C, C197S, C432S, C433S) of E. Coli Hydrogenase- 2 within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
M:Mg603
b:9.2
occ:1.00
|
O
|
M:ALA498
|
2.1
|
14.9
|
1.0
|
OE2
|
M:GLU42
|
2.1
|
13.5
|
1.0
|
O
|
M:HOH710
|
2.1
|
14.1
|
1.0
|
O
|
M:HOH734
|
2.1
|
13.3
|
1.0
|
NE2
|
M:HIS552
|
2.2
|
12.6
|
1.0
|
O
|
M:HOH742
|
2.2
|
13.5
|
1.0
|
CE1
|
M:HIS552
|
3.1
|
13.4
|
1.0
|
CD
|
M:GLU42
|
3.2
|
14.4
|
1.0
|
CD2
|
M:HIS552
|
3.2
|
12.3
|
1.0
|
C
|
M:ALA498
|
3.3
|
13.5
|
1.0
|
OE1
|
M:GLU42
|
3.5
|
14.4
|
1.0
|
N
|
M:ALA498
|
3.8
|
12.7
|
1.0
|
OE1
|
M:GLN497
|
4.0
|
17.4
|
1.0
|
CA
|
M:ALA498
|
4.0
|
12.7
|
1.0
|
OE2
|
M:GLU329
|
4.2
|
19.0
|
1.0
|
O
|
M:HOH721
|
4.3
|
15.7
|
1.0
|
OE1
|
M:GLU329
|
4.3
|
16.9
|
1.0
|
ND1
|
M:HIS552
|
4.3
|
12.4
|
1.0
|
NZ
|
M:LYS366
|
4.3
|
15.5
|
1.0
|
O
|
M:HOH894
|
4.3
|
12.8
|
1.0
|
CG
|
M:HIS552
|
4.3
|
12.2
|
1.0
|
N
|
M:VAL499
|
4.4
|
13.4
|
1.0
|
CB
|
M:ALA498
|
4.4
|
12.7
|
1.0
|
CG
|
M:GLU42
|
4.5
|
15.3
|
1.0
|
CD
|
M:LYS366
|
4.5
|
15.0
|
1.0
|
CD
|
M:GLU329
|
4.7
|
17.0
|
1.0
|
CA
|
M:VAL499
|
4.7
|
13.2
|
1.0
|
C
|
M:GLN497
|
4.7
|
13.6
|
1.0
|
CE
|
M:LYS366
|
4.8
|
14.6
|
1.0
|
CA
|
M:GLN497
|
5.0
|
12.4
|
1.0
|
|
Magnesium binding site 4 out
of 4 in 6g7m
Go back to
Magnesium Binding Sites List in 6g7m
Magnesium binding site 4 out
of 4 in the Four-Site Variant (Y222C, C197S, C432S, C433S) of E. Coli Hydrogenase- 2
 Mono view
 Stereo pair view
|
A full contact list of Magnesium with other atoms in the Mg binding
site number 4 of Four-Site Variant (Y222C, C197S, C432S, C433S) of E. Coli Hydrogenase- 2 within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
M:Mg604
b:39.5
occ:1.00
|
O
|
M:HOH981
|
2.1
|
26.8
|
1.0
|
O
|
M:HOH995
|
2.1
|
31.1
|
1.0
|
O
|
M:HOH968
|
2.2
|
25.9
|
1.0
|
O
|
M:HOH745
|
3.7
|
22.0
|
1.0
|
N
|
M:LYS460
|
4.5
|
15.4
|
1.0
|
O
|
T:HOH514
|
4.7
|
30.3
|
1.0
|
O
|
M:PHE458
|
4.8
|
15.1
|
1.0
|
CB
|
M:LYS460
|
5.0
|
19.6
|
1.0
|
CA
|
M:VAL459
|
5.0
|
16.7
|
1.0
|
|
Reference:
L.Zhang,
S.E.Beaton,
S.B.Carr,
F.A.Armstrong.
Direct Visible Light Activation of A Surface Cysteine-Engineered [Nife]-Hydrogenase By Silver Nanoclusters Energy Environ Sci 2019.
ISSN: ISSN 1754-5706
DOI: 10.1039/C8EE02361A
Page generated: Tue Oct 1 01:01:48 2024
|