Zinc in PDB 2bfk: Bacillus Cereus Metallo-Beta-Lactamase (Bcii) Arg (121) Cys Mutant. Solved at PH7 Using 20MM ZNSO4 in Buffer. 1MM Dtt Was Used As A Reducing Agent
Enzymatic activity of Bacillus Cereus Metallo-Beta-Lactamase (Bcii) Arg (121) Cys Mutant. Solved at PH7 Using 20MM ZNSO4 in Buffer. 1MM Dtt Was Used As A Reducing Agent
All present enzymatic activity of Bacillus Cereus Metallo-Beta-Lactamase (Bcii) Arg (121) Cys Mutant. Solved at PH7 Using 20MM ZNSO4 in Buffer. 1MM Dtt Was Used As A Reducing Agent:
3.5.2.6;
Protein crystallography data
The structure of Bacillus Cereus Metallo-Beta-Lactamase (Bcii) Arg (121) Cys Mutant. Solved at PH7 Using 20MM ZNSO4 in Buffer. 1MM Dtt Was Used As A Reducing Agent, PDB code: 2bfk
was solved by
A.M.Davies,
R.M.Rasia,
A.J.Vila,
B.J.Sutton,
S.M.Fabiane,
with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:
Resolution Low / High (Å)
|
6.00 /
2.00
|
Space group
|
P 31 2 1
|
Cell size a, b, c (Å), α, β, γ (°)
|
67.311,
67.311,
178.010,
90.00,
90.00,
120.00
|
R / Rfree (%)
|
17.2 /
20.9
|
Zinc Binding Sites:
The binding sites of Zinc atom in the Bacillus Cereus Metallo-Beta-Lactamase (Bcii) Arg (121) Cys Mutant. Solved at PH7 Using 20MM ZNSO4 in Buffer. 1MM Dtt Was Used As A Reducing Agent
(pdb code 2bfk). This binding sites where shown within
5.0 Angstroms radius around Zinc atom.
In total 4 binding sites of Zinc where determined in the
Bacillus Cereus Metallo-Beta-Lactamase (Bcii) Arg (121) Cys Mutant. Solved at PH7 Using 20MM ZNSO4 in Buffer. 1MM Dtt Was Used As A Reducing Agent, PDB code: 2bfk:
Jump to Zinc binding site number:
1;
2;
3;
4;
Zinc binding site 1 out
of 4 in 2bfk
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Zinc Binding Sites List in 2bfk
Zinc binding site 1 out
of 4 in the Bacillus Cereus Metallo-Beta-Lactamase (Bcii) Arg (121) Cys Mutant. Solved at PH7 Using 20MM ZNSO4 in Buffer. 1MM Dtt Was Used As A Reducing Agent
Mono view
Stereo pair view
|
A full contact list of Zinc with other atoms in the Zn binding
site number 1 of Bacillus Cereus Metallo-Beta-Lactamase (Bcii) Arg (121) Cys Mutant. Solved at PH7 Using 20MM ZNSO4 in Buffer. 1MM Dtt Was Used As A Reducing Agent within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Zn1300
b:22.0
occ:1.00
|
ND1
|
A:HIS118
|
1.9
|
18.2
|
1.0
|
O
|
A:HOH2258
|
1.9
|
24.7
|
1.0
|
NE2
|
A:HIS196
|
2.1
|
16.3
|
1.0
|
NE2
|
A:HIS116
|
2.1
|
18.9
|
1.0
|
CE1
|
A:HIS118
|
2.8
|
18.0
|
1.0
|
CG
|
A:HIS118
|
2.9
|
20.1
|
1.0
|
CD2
|
A:HIS196
|
2.9
|
14.1
|
1.0
|
O
|
A:HOH2259
|
2.9
|
47.9
|
1.0
|
CE1
|
A:HIS116
|
3.1
|
19.6
|
1.0
|
CD2
|
A:HIS116
|
3.1
|
18.0
|
1.0
|
CE1
|
A:HIS196
|
3.1
|
15.9
|
1.0
|
CB
|
A:HIS118
|
3.3
|
21.0
|
1.0
|
ZN
|
A:ZN1301
|
3.6
|
51.6
|
1.0
|
NE2
|
A:HIS118
|
3.9
|
19.8
|
1.0
|
OD1
|
A:ASP120
|
3.9
|
26.3
|
1.0
|
CD2
|
A:HIS118
|
4.0
|
19.8
|
1.0
|
CG
|
A:HIS196
|
4.1
|
15.6
|
1.0
|
O1
|
A:GOL1295
|
4.2
|
56.2
|
1.0
|
ND1
|
A:HIS116
|
4.2
|
19.0
|
1.0
|
SG
|
A:CYS221
|
4.2
|
33.7
|
1.0
|
ND1
|
A:HIS196
|
4.2
|
14.4
|
1.0
|
CB
|
A:CYS221
|
4.2
|
22.7
|
1.0
|
CG
|
A:HIS116
|
4.2
|
18.4
|
1.0
|
CG2
|
A:THR197
|
4.3
|
12.1
|
1.0
|
C3
|
A:GOL1295
|
4.6
|
56.6
|
1.0
|
CG
|
A:ASP120
|
4.8
|
26.8
|
1.0
|
CA
|
A:HIS118
|
4.8
|
21.6
|
1.0
|
OD2
|
A:ASP120
|
4.9
|
28.2
|
1.0
|
C1
|
A:GOL1295
|
4.9
|
57.0
|
1.0
|
O
|
A:HOH2101
|
5.0
|
39.9
|
1.0
|
|
Zinc binding site 2 out
of 4 in 2bfk
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Zinc Binding Sites List in 2bfk
Zinc binding site 2 out
of 4 in the Bacillus Cereus Metallo-Beta-Lactamase (Bcii) Arg (121) Cys Mutant. Solved at PH7 Using 20MM ZNSO4 in Buffer. 1MM Dtt Was Used As A Reducing Agent
Mono view
Stereo pair view
|
A full contact list of Zinc with other atoms in the Zn binding
site number 2 of Bacillus Cereus Metallo-Beta-Lactamase (Bcii) Arg (121) Cys Mutant. Solved at PH7 Using 20MM ZNSO4 in Buffer. 1MM Dtt Was Used As A Reducing Agent within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Zn1301
b:51.6
occ:1.00
|
O1
|
A:GOL1295
|
2.0
|
56.2
|
1.0
|
O
|
A:HOH2258
|
2.1
|
24.7
|
1.0
|
SG
|
A:CYS221
|
2.4
|
33.7
|
1.0
|
NE2
|
A:HIS263
|
2.5
|
26.6
|
1.0
|
OD2
|
A:ASP120
|
2.6
|
28.2
|
1.0
|
CD2
|
A:HIS263
|
3.1
|
25.5
|
1.0
|
C1
|
A:GOL1295
|
3.3
|
57.0
|
1.0
|
CG
|
A:ASP120
|
3.3
|
26.8
|
1.0
|
OD1
|
A:ASP120
|
3.5
|
26.3
|
1.0
|
CB
|
A:CYS221
|
3.5
|
22.7
|
1.0
|
ZN
|
A:ZN1300
|
3.6
|
22.0
|
1.0
|
CE1
|
A:HIS263
|
3.6
|
27.1
|
1.0
|
C3
|
A:GOL1295
|
3.8
|
56.6
|
1.0
|
O
|
A:HOH2103
|
4.0
|
43.3
|
1.0
|
C2
|
A:GOL1295
|
4.0
|
57.0
|
1.0
|
O
|
A:HOH2259
|
4.0
|
47.9
|
1.0
|
O
|
A:HOH2101
|
4.4
|
39.9
|
1.0
|
O2
|
A:GOL1295
|
4.4
|
57.8
|
1.0
|
NE2
|
A:HIS196
|
4.4
|
16.3
|
1.0
|
CG
|
A:HIS263
|
4.4
|
24.4
|
1.0
|
CE1
|
A:HIS116
|
4.5
|
19.6
|
1.0
|
CB
|
A:ASP120
|
4.6
|
25.0
|
1.0
|
ND1
|
A:HIS263
|
4.6
|
26.8
|
1.0
|
NE2
|
A:HIS116
|
4.6
|
18.9
|
1.0
|
CA
|
A:CYS221
|
4.7
|
18.4
|
1.0
|
O
|
A:HOH2184
|
4.8
|
41.8
|
1.0
|
CE1
|
A:HIS196
|
4.8
|
15.9
|
1.0
|
|
Zinc binding site 3 out
of 4 in 2bfk
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Zinc Binding Sites List in 2bfk
Zinc binding site 3 out
of 4 in the Bacillus Cereus Metallo-Beta-Lactamase (Bcii) Arg (121) Cys Mutant. Solved at PH7 Using 20MM ZNSO4 in Buffer. 1MM Dtt Was Used As A Reducing Agent
Mono view
Stereo pair view
|
A full contact list of Zinc with other atoms in the Zn binding
site number 3 of Bacillus Cereus Metallo-Beta-Lactamase (Bcii) Arg (121) Cys Mutant. Solved at PH7 Using 20MM ZNSO4 in Buffer. 1MM Dtt Was Used As A Reducing Agent within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:Zn1299
b:21.6
occ:1.00
|
O
|
B:HOH2243
|
2.0
|
21.4
|
1.0
|
ND1
|
B:HIS118
|
2.0
|
21.5
|
1.0
|
NE2
|
B:HIS196
|
2.1
|
15.1
|
1.0
|
NE2
|
B:HIS116
|
2.2
|
18.4
|
1.0
|
CD2
|
B:HIS196
|
2.9
|
13.8
|
1.0
|
CG
|
B:HIS118
|
3.0
|
22.2
|
1.0
|
CE1
|
B:HIS118
|
3.0
|
22.8
|
1.0
|
CD2
|
B:HIS116
|
3.1
|
17.8
|
1.0
|
O
|
B:HOH2113
|
3.1
|
47.8
|
1.0
|
CE1
|
B:HIS116
|
3.2
|
18.8
|
1.0
|
CE1
|
B:HIS196
|
3.2
|
14.0
|
1.0
|
CB
|
B:HIS118
|
3.3
|
20.3
|
1.0
|
ZN
|
B:ZN1300
|
3.6
|
48.6
|
1.0
|
OD1
|
B:ASP120
|
4.0
|
30.8
|
1.0
|
SG
|
B:CYS221
|
4.0
|
33.3
|
1.0
|
NE2
|
B:HIS118
|
4.1
|
22.9
|
1.0
|
CD2
|
B:HIS118
|
4.1
|
22.1
|
1.0
|
CB
|
B:CYS221
|
4.1
|
23.6
|
1.0
|
CG
|
B:HIS196
|
4.1
|
12.8
|
1.0
|
ND1
|
B:HIS196
|
4.2
|
13.8
|
1.0
|
CG
|
B:HIS116
|
4.2
|
16.7
|
1.0
|
ND1
|
B:HIS116
|
4.3
|
18.0
|
1.0
|
CG2
|
B:THR197
|
4.5
|
11.5
|
1.0
|
N1
|
B:AZI1292
|
4.6
|
40.1
|
1.0
|
OD2
|
B:ASP120
|
4.7
|
31.2
|
1.0
|
CG
|
B:ASP120
|
4.8
|
28.1
|
1.0
|
CA
|
B:HIS118
|
4.8
|
19.4
|
1.0
|
N2
|
B:AZI1292
|
5.0
|
42.2
|
1.0
|
|
Zinc binding site 4 out
of 4 in 2bfk
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Zinc Binding Sites List in 2bfk
Zinc binding site 4 out
of 4 in the Bacillus Cereus Metallo-Beta-Lactamase (Bcii) Arg (121) Cys Mutant. Solved at PH7 Using 20MM ZNSO4 in Buffer. 1MM Dtt Was Used As A Reducing Agent
Mono view
Stereo pair view
|
A full contact list of Zinc with other atoms in the Zn binding
site number 4 of Bacillus Cereus Metallo-Beta-Lactamase (Bcii) Arg (121) Cys Mutant. Solved at PH7 Using 20MM ZNSO4 in Buffer. 1MM Dtt Was Used As A Reducing Agent within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:Zn1300
b:48.6
occ:1.00
|
SG
|
B:CYS221
|
2.1
|
33.3
|
1.0
|
O
|
B:HOH2243
|
2.3
|
21.4
|
1.0
|
NE2
|
B:HIS263
|
2.5
|
31.0
|
1.0
|
O
|
B:HOH2177
|
2.8
|
35.7
|
1.0
|
OD2
|
B:ASP120
|
2.8
|
31.2
|
1.0
|
CB
|
B:CYS221
|
3.2
|
23.6
|
1.0
|
N1
|
B:AZI1292
|
3.2
|
40.1
|
1.0
|
CD2
|
B:HIS263
|
3.4
|
29.9
|
1.0
|
CE1
|
B:HIS263
|
3.5
|
29.5
|
1.0
|
ZN
|
B:ZN1299
|
3.6
|
21.6
|
1.0
|
CG
|
B:ASP120
|
3.7
|
28.1
|
1.0
|
OD1
|
B:ASP120
|
3.9
|
30.8
|
1.0
|
N2
|
B:AZI1292
|
4.0
|
42.2
|
1.0
|
NE2
|
B:HIS196
|
4.1
|
15.1
|
1.0
|
O
|
B:HOH2113
|
4.2
|
47.8
|
1.0
|
O
|
B:HOH2057
|
4.3
|
40.0
|
1.0
|
CA
|
B:CYS221
|
4.4
|
19.4
|
1.0
|
CE1
|
B:HIS196
|
4.5
|
14.0
|
1.0
|
CG
|
B:HIS263
|
4.6
|
28.8
|
1.0
|
ND1
|
B:HIS263
|
4.6
|
30.8
|
1.0
|
NE2
|
B:HIS116
|
4.6
|
18.4
|
1.0
|
CE1
|
B:HIS116
|
4.6
|
18.8
|
1.0
|
N3
|
B:AZI1292
|
4.8
|
40.7
|
1.0
|
CD2
|
B:HIS196
|
4.8
|
13.8
|
1.0
|
CB
|
B:ASP120
|
4.9
|
25.1
|
1.0
|
O
|
B:HOH2242
|
5.0
|
53.4
|
1.0
|
N
|
B:CYS221
|
5.0
|
16.5
|
1.0
|
|
Reference:
A.M.Davies,
R.M.Rasia,
A.J.Vila,
B.J.Sutton,
S.M.Fabiane.
Effect of pH on the Active Site of An ARG121CYS Mutant of the Metallo-Beta-Lactamase From Bacillus Cereus: Implications For the Enzyme Mechanism Biochemistry V. 44 4841 2005.
ISSN: ISSN 0006-2960
PubMed: 15779910
DOI: 10.1021/BI047709T
Page generated: Wed Oct 16 21:59:36 2024
|