Zinc in PDB 2a8d: Haemophilus Influenzae Beta-Carbonic Anhydrase Complexed with Bicarbonate
Enzymatic activity of Haemophilus Influenzae Beta-Carbonic Anhydrase Complexed with Bicarbonate
All present enzymatic activity of Haemophilus Influenzae Beta-Carbonic Anhydrase Complexed with Bicarbonate:
4.2.1.1;
Protein crystallography data
The structure of Haemophilus Influenzae Beta-Carbonic Anhydrase Complexed with Bicarbonate, PDB code: 2a8d
was solved by
J.D.Cronk,
R.S.Rowlett,
K.Y.J.Zhang,
C.Tu,
J.A.Endrizzi,
J.Lee,
P.C.Gareiss,
J.R.Preiss,
with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:
Resolution Low / High (Å)
|
30.00 /
2.20
|
Space group
|
C 1 2 1
|
Cell size a, b, c (Å), α, β, γ (°)
|
232.807,
144.602,
52.101,
90.00,
94.10,
90.00
|
R / Rfree (%)
|
20.6 /
24
|
Zinc Binding Sites:
The binding sites of Zinc atom in the Haemophilus Influenzae Beta-Carbonic Anhydrase Complexed with Bicarbonate
(pdb code 2a8d). This binding sites where shown within
5.0 Angstroms radius around Zinc atom.
In total 6 binding sites of Zinc where determined in the
Haemophilus Influenzae Beta-Carbonic Anhydrase Complexed with Bicarbonate, PDB code: 2a8d:
Jump to Zinc binding site number:
1;
2;
3;
4;
5;
6;
Zinc binding site 1 out
of 6 in 2a8d
Go back to
Zinc Binding Sites List in 2a8d
Zinc binding site 1 out
of 6 in the Haemophilus Influenzae Beta-Carbonic Anhydrase Complexed with Bicarbonate
Mono view
Stereo pair view
|
A full contact list of Zinc with other atoms in the Zn binding
site number 1 of Haemophilus Influenzae Beta-Carbonic Anhydrase Complexed with Bicarbonate within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Zn1230
b:31.2
occ:1.00
|
OD2
|
A:ASP44
|
2.0
|
26.9
|
1.0
|
NE2
|
A:HIS98
|
2.0
|
33.0
|
1.0
|
SG
|
A:CYS42
|
2.4
|
27.7
|
1.0
|
SG
|
A:CYS101
|
2.4
|
32.1
|
1.0
|
CE1
|
A:HIS98
|
2.7
|
30.6
|
1.0
|
CG
|
A:ASP44
|
2.9
|
29.1
|
1.0
|
CD2
|
A:HIS98
|
3.1
|
29.5
|
1.0
|
CB
|
A:CYS42
|
3.2
|
26.7
|
1.0
|
CB
|
A:CYS101
|
3.3
|
32.4
|
1.0
|
CB
|
A:ASP44
|
3.3
|
27.1
|
1.0
|
CA
|
A:CYS101
|
3.6
|
33.5
|
1.0
|
ND1
|
A:HIS98
|
3.9
|
33.4
|
1.0
|
OD1
|
A:ASP44
|
4.0
|
31.1
|
1.0
|
N
|
A:GLY102
|
4.0
|
30.8
|
1.0
|
CG
|
A:HIS98
|
4.1
|
31.5
|
1.0
|
C
|
A:CYS101
|
4.1
|
32.6
|
1.0
|
O
|
A:HOH1236
|
4.3
|
27.6
|
1.0
|
N
|
A:GLY103
|
4.4
|
29.7
|
1.0
|
N
|
A:ASP44
|
4.4
|
28.6
|
1.0
|
CA
|
A:ASP44
|
4.5
|
30.6
|
1.0
|
CA
|
A:CYS42
|
4.6
|
27.6
|
1.0
|
O
|
A:HOH1239
|
4.8
|
32.3
|
1.0
|
N
|
A:ALA67
|
4.8
|
25.3
|
1.0
|
CA
|
A:ALA67
|
4.9
|
27.8
|
1.0
|
N
|
A:CYS101
|
4.9
|
36.7
|
1.0
|
|
Zinc binding site 2 out
of 6 in 2a8d
Go back to
Zinc Binding Sites List in 2a8d
Zinc binding site 2 out
of 6 in the Haemophilus Influenzae Beta-Carbonic Anhydrase Complexed with Bicarbonate
Mono view
Stereo pair view
|
A full contact list of Zinc with other atoms in the Zn binding
site number 2 of Haemophilus Influenzae Beta-Carbonic Anhydrase Complexed with Bicarbonate within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:Zn2230
b:40.4
occ:1.00
|
OD2
|
B:ASP44
|
1.9
|
27.9
|
1.0
|
NE2
|
B:HIS98
|
2.1
|
44.6
|
1.0
|
SG
|
B:CYS101
|
2.2
|
35.4
|
1.0
|
SG
|
B:CYS42
|
2.3
|
35.6
|
1.0
|
CG
|
B:ASP44
|
2.9
|
32.5
|
1.0
|
CE1
|
B:HIS98
|
3.0
|
43.2
|
1.0
|
CD2
|
B:HIS98
|
3.1
|
43.0
|
1.0
|
CB
|
B:CYS42
|
3.2
|
36.1
|
1.0
|
CB
|
B:CYS101
|
3.3
|
39.0
|
1.0
|
CB
|
B:ASP44
|
3.3
|
34.9
|
1.0
|
CA
|
B:CYS101
|
3.7
|
41.8
|
1.0
|
OD1
|
B:ASP44
|
4.0
|
28.8
|
1.0
|
N
|
B:GLY102
|
4.0
|
39.1
|
1.0
|
ND1
|
B:HIS98
|
4.1
|
43.2
|
1.0
|
C
|
B:CYS101
|
4.2
|
39.3
|
1.0
|
CG
|
B:HIS98
|
4.2
|
42.4
|
1.0
|
O
|
B:HOH2240
|
4.2
|
37.1
|
1.0
|
N
|
B:GLY103
|
4.4
|
38.0
|
1.0
|
N
|
B:ASP44
|
4.5
|
34.3
|
1.0
|
CA
|
B:ASP44
|
4.5
|
36.1
|
1.0
|
CA
|
B:CYS42
|
4.7
|
33.8
|
1.0
|
O
|
B:HOH2248
|
4.8
|
40.2
|
1.0
|
N
|
B:ALA67
|
4.9
|
29.5
|
1.0
|
CA
|
B:ALA67
|
4.9
|
29.0
|
1.0
|
N
|
B:CYS101
|
5.0
|
42.5
|
1.0
|
|
Zinc binding site 3 out
of 6 in 2a8d
Go back to
Zinc Binding Sites List in 2a8d
Zinc binding site 3 out
of 6 in the Haemophilus Influenzae Beta-Carbonic Anhydrase Complexed with Bicarbonate
Mono view
Stereo pair view
|
A full contact list of Zinc with other atoms in the Zn binding
site number 3 of Haemophilus Influenzae Beta-Carbonic Anhydrase Complexed with Bicarbonate within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
C:Zn3230
b:46.8
occ:1.00
|
SG
|
C:CYS101
|
2.2
|
43.8
|
1.0
|
SG
|
C:CYS42
|
2.2
|
44.6
|
1.0
|
OD2
|
C:ASP44
|
2.3
|
43.4
|
1.0
|
NE2
|
C:HIS98
|
2.3
|
52.8
|
1.0
|
CE1
|
C:HIS98
|
2.9
|
50.1
|
1.0
|
CB
|
C:CYS42
|
3.2
|
41.5
|
1.0
|
CG
|
C:ASP44
|
3.2
|
44.4
|
1.0
|
CB
|
C:CYS101
|
3.3
|
45.6
|
1.0
|
CD2
|
C:HIS98
|
3.4
|
50.8
|
1.0
|
CB
|
C:ASP44
|
3.4
|
43.8
|
1.0
|
CA
|
C:CYS101
|
3.8
|
46.6
|
1.0
|
ND1
|
C:HIS98
|
4.0
|
51.7
|
1.0
|
N
|
C:GLY102
|
4.1
|
43.0
|
1.0
|
O
|
C:HOH3245
|
4.1
|
33.4
|
1.0
|
C
|
C:CYS101
|
4.3
|
45.4
|
1.0
|
CG
|
C:HIS98
|
4.3
|
50.5
|
1.0
|
OD1
|
C:ASP44
|
4.4
|
45.8
|
1.0
|
N
|
C:GLY103
|
4.5
|
41.5
|
1.0
|
N
|
C:ASP44
|
4.5
|
41.8
|
1.0
|
CA
|
C:ASP44
|
4.6
|
43.8
|
1.0
|
CA
|
C:CYS42
|
4.6
|
40.5
|
1.0
|
N
|
C:ALA67
|
4.8
|
35.6
|
1.0
|
CA
|
C:ALA67
|
4.8
|
34.8
|
1.0
|
O
|
C:HOH3242
|
5.0
|
38.8
|
1.0
|
|
Zinc binding site 4 out
of 6 in 2a8d
Go back to
Zinc Binding Sites List in 2a8d
Zinc binding site 4 out
of 6 in the Haemophilus Influenzae Beta-Carbonic Anhydrase Complexed with Bicarbonate
Mono view
Stereo pair view
|
A full contact list of Zinc with other atoms in the Zn binding
site number 4 of Haemophilus Influenzae Beta-Carbonic Anhydrase Complexed with Bicarbonate within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
D:Zn4230
b:38.7
occ:1.00
|
OD2
|
D:ASP44
|
2.0
|
34.9
|
1.0
|
NE2
|
D:HIS98
|
2.1
|
30.9
|
1.0
|
SG
|
D:CYS101
|
2.3
|
35.5
|
1.0
|
SG
|
D:CYS42
|
2.4
|
30.3
|
1.0
|
CE1
|
D:HIS98
|
2.9
|
29.6
|
1.0
|
CG
|
D:ASP44
|
2.9
|
34.3
|
1.0
|
CB
|
D:CYS42
|
3.1
|
26.6
|
1.0
|
CD2
|
D:HIS98
|
3.1
|
29.2
|
1.0
|
CB
|
D:CYS101
|
3.2
|
34.9
|
1.0
|
CB
|
D:ASP44
|
3.2
|
32.1
|
1.0
|
CA
|
D:CYS101
|
3.6
|
36.6
|
1.0
|
ND1
|
D:HIS98
|
4.0
|
31.4
|
1.0
|
OD1
|
D:ASP44
|
4.1
|
33.1
|
1.0
|
N
|
D:GLY102
|
4.1
|
35.5
|
1.0
|
CG
|
D:HIS98
|
4.2
|
31.4
|
1.0
|
O
|
D:HOH4242
|
4.2
|
29.4
|
1.0
|
C
|
D:CYS101
|
4.2
|
36.6
|
1.0
|
N
|
D:ASP44
|
4.4
|
32.4
|
1.0
|
CA
|
D:ASP44
|
4.4
|
33.9
|
1.0
|
N
|
D:GLY103
|
4.4
|
31.8
|
1.0
|
CA
|
D:CYS42
|
4.6
|
30.0
|
1.0
|
O
|
D:HOH4233
|
4.7
|
29.1
|
1.0
|
N
|
D:ALA67
|
4.8
|
30.4
|
1.0
|
CA
|
D:ALA67
|
4.8
|
31.4
|
1.0
|
OD1
|
D:ASN68
|
4.9
|
31.1
|
1.0
|
N
|
D:CYS101
|
4.9
|
39.8
|
1.0
|
|
Zinc binding site 5 out
of 6 in 2a8d
Go back to
Zinc Binding Sites List in 2a8d
Zinc binding site 5 out
of 6 in the Haemophilus Influenzae Beta-Carbonic Anhydrase Complexed with Bicarbonate
Mono view
Stereo pair view
|
A full contact list of Zinc with other atoms in the Zn binding
site number 5 of Haemophilus Influenzae Beta-Carbonic Anhydrase Complexed with Bicarbonate within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
E:Zn5230
b:46.1
occ:1.00
|
SG
|
E:CYS101
|
2.0
|
38.7
|
1.0
|
NE2
|
E:HIS98
|
2.2
|
58.4
|
1.0
|
SG
|
E:CYS42
|
2.3
|
50.0
|
1.0
|
OD2
|
E:ASP44
|
2.3
|
45.5
|
1.0
|
CE1
|
E:HIS98
|
2.9
|
56.6
|
1.0
|
CB
|
E:CYS42
|
3.2
|
46.7
|
1.0
|
CG
|
E:ASP44
|
3.2
|
43.5
|
1.0
|
CD2
|
E:HIS98
|
3.3
|
57.3
|
1.0
|
CB
|
E:CYS101
|
3.3
|
46.2
|
1.0
|
CB
|
E:ASP44
|
3.6
|
41.9
|
1.0
|
CA
|
E:CYS101
|
3.8
|
46.9
|
1.0
|
ND1
|
E:HIS98
|
4.0
|
57.8
|
1.0
|
N
|
E:GLY102
|
4.1
|
44.3
|
1.0
|
O
|
E:HOH5246
|
4.2
|
42.8
|
1.0
|
CG
|
E:HIS98
|
4.2
|
57.5
|
1.0
|
C
|
E:CYS101
|
4.3
|
45.1
|
1.0
|
OD1
|
E:ASP44
|
4.3
|
48.3
|
1.0
|
N
|
E:GLY103
|
4.4
|
42.8
|
1.0
|
N
|
E:ASP44
|
4.5
|
41.0
|
1.0
|
CA
|
E:CYS42
|
4.6
|
45.5
|
1.0
|
CA
|
E:ASP44
|
4.7
|
43.8
|
1.0
|
N
|
E:ALA67
|
4.8
|
39.8
|
1.0
|
CA
|
E:ALA67
|
4.8
|
37.5
|
1.0
|
O
|
E:HOH5261
|
4.9
|
46.1
|
1.0
|
|
Zinc binding site 6 out
of 6 in 2a8d
Go back to
Zinc Binding Sites List in 2a8d
Zinc binding site 6 out
of 6 in the Haemophilus Influenzae Beta-Carbonic Anhydrase Complexed with Bicarbonate
Mono view
Stereo pair view
|
A full contact list of Zinc with other atoms in the Zn binding
site number 6 of Haemophilus Influenzae Beta-Carbonic Anhydrase Complexed with Bicarbonate within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
F:Zn6230
b:37.0
occ:1.00
|
OD2
|
F:ASP44
|
2.0
|
32.5
|
1.0
|
NE2
|
F:HIS98
|
2.0
|
36.5
|
1.0
|
SG
|
F:CYS101
|
2.4
|
38.9
|
1.0
|
SG
|
F:CYS42
|
2.4
|
30.1
|
1.0
|
CE1
|
F:HIS98
|
2.8
|
36.8
|
1.0
|
CG
|
F:ASP44
|
3.0
|
31.8
|
1.0
|
CD2
|
F:HIS98
|
3.1
|
37.9
|
1.0
|
CB
|
F:CYS42
|
3.2
|
29.2
|
1.0
|
CB
|
F:CYS101
|
3.2
|
41.1
|
1.0
|
CB
|
F:ASP44
|
3.4
|
31.5
|
1.0
|
CA
|
F:CYS101
|
3.6
|
42.1
|
1.0
|
ND1
|
F:HIS98
|
3.9
|
38.6
|
1.0
|
N
|
F:GLY102
|
4.0
|
39.6
|
1.0
|
OD1
|
F:ASP44
|
4.1
|
32.7
|
1.0
|
CG
|
F:HIS98
|
4.1
|
39.0
|
1.0
|
C
|
F:CYS101
|
4.2
|
41.2
|
1.0
|
O
|
F:HOH6242
|
4.3
|
31.4
|
1.0
|
N
|
F:ASP44
|
4.5
|
35.4
|
1.0
|
N
|
F:GLY103
|
4.5
|
37.6
|
1.0
|
CA
|
F:ASP44
|
4.5
|
35.1
|
1.0
|
CA
|
F:CYS42
|
4.6
|
31.4
|
1.0
|
O
|
F:HOH6234
|
4.6
|
36.0
|
1.0
|
N
|
F:ALA67
|
4.8
|
34.2
|
1.0
|
N
|
F:CYS101
|
4.9
|
44.4
|
1.0
|
CA
|
F:ALA67
|
4.9
|
36.1
|
1.0
|
|
Reference:
J.D.Cronk,
R.S.Rowlett,
K.Y.J.Zhang,
C.Tu,
J.A.Endrizzi,
J.Lee,
P.C.Gareiss,
J.R.Preiss.
Identification of A Novel Noncatalytic Bicarbonate Binding Site in Eubacterial Beta-Carbonic Anhydrase Biochemistry V. 45 4351 2006.
ISSN: ISSN 0006-2960
PubMed: 16584170
DOI: 10.1021/BI052272Q
Page generated: Wed Oct 16 21:33:41 2024
|