Calcium in PDB 2wxu: Clostridium Perfringens Alpha-Toxin Strain NCTC8237 Mutant T74I
Enzymatic activity of Clostridium Perfringens Alpha-Toxin Strain NCTC8237 Mutant T74I
All present enzymatic activity of Clostridium Perfringens Alpha-Toxin Strain NCTC8237 Mutant T74I:
3.1.4.3;
Protein crystallography data
The structure of Clostridium Perfringens Alpha-Toxin Strain NCTC8237 Mutant T74I, PDB code: 2wxu
was solved by
S.G.Vachieri,
C.E.Naylor,
A.K.Basak,
with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:
Resolution Low / High (Å)
|
24.64 /
1.80
|
Space group
|
C 2 2 21
|
Cell size a, b, c (Å), α, β, γ (°)
|
59.861,
173.643,
78.564,
90.00,
90.00,
90.00
|
R / Rfree (%)
|
17.5 /
21.6
|
Other elements in 2wxu:
The structure of Clostridium Perfringens Alpha-Toxin Strain NCTC8237 Mutant T74I also contains other interesting chemical elements:
Calcium Binding Sites:
The binding sites of Calcium atom in the Clostridium Perfringens Alpha-Toxin Strain NCTC8237 Mutant T74I
(pdb code 2wxu). This binding sites where shown within
5.0 Angstroms radius around Calcium atom.
In total 5 binding sites of Calcium where determined in the
Clostridium Perfringens Alpha-Toxin Strain NCTC8237 Mutant T74I, PDB code: 2wxu:
Jump to Calcium binding site number:
1;
2;
3;
4;
5;
Calcium binding site 1 out
of 5 in 2wxu
Go back to
Calcium Binding Sites List in 2wxu
Calcium binding site 1 out
of 5 in the Clostridium Perfringens Alpha-Toxin Strain NCTC8237 Mutant T74I
Mono view
Stereo pair view
|
A full contact list of Calcium with other atoms in the Ca binding
site number 1 of Clostridium Perfringens Alpha-Toxin Strain NCTC8237 Mutant T74I within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Ca1377
b:13.4
occ:1.00
|
OD1
|
A:ASN297
|
2.3
|
27.6
|
1.0
|
O
|
A:HOH2339
|
2.5
|
30.5
|
1.0
|
O
|
A:HOH2307
|
2.6
|
26.4
|
1.0
|
OD1
|
A:ASP273
|
2.8
|
23.6
|
1.0
|
CG
|
A:ASN297
|
3.3
|
35.2
|
1.0
|
OD2
|
A:ASP273
|
3.4
|
46.0
|
1.0
|
CG
|
A:ASP273
|
3.5
|
31.2
|
1.0
|
ND2
|
A:ASN297
|
3.6
|
32.0
|
1.0
|
O
|
A:ASP298
|
4.1
|
19.6
|
1.0
|
CG
|
A:MET300
|
4.2
|
31.6
|
1.0
|
O
|
A:THR272
|
4.6
|
19.0
|
1.0
|
O
|
A:HOH2341
|
4.6
|
23.0
|
1.0
|
CB
|
A:ASN297
|
4.6
|
38.0
|
1.0
|
O
|
A:HOH2336
|
4.8
|
23.9
|
1.0
|
CB
|
A:ASP273
|
4.9
|
22.3
|
1.0
|
C
|
A:ASN297
|
5.0
|
29.7
|
1.0
|
O
|
A:HOH2343
|
5.0
|
31.2
|
1.0
|
|
Calcium binding site 2 out
of 5 in 2wxu
Go back to
Calcium Binding Sites List in 2wxu
Calcium binding site 2 out
of 5 in the Clostridium Perfringens Alpha-Toxin Strain NCTC8237 Mutant T74I
Mono view
Stereo pair view
|
A full contact list of Calcium with other atoms in the Ca binding
site number 2 of Clostridium Perfringens Alpha-Toxin Strain NCTC8237 Mutant T74I within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Ca1380
b:25.9
occ:0.80
|
O
|
A:ALA337
|
2.4
|
21.2
|
1.0
|
O
|
A:GLY271
|
2.4
|
18.9
|
1.0
|
O
|
A:ASP269
|
2.4
|
19.0
|
1.0
|
O
|
A:HOH2305
|
2.5
|
34.5
|
1.0
|
OD1
|
A:ASP336
|
2.5
|
29.5
|
1.0
|
O
|
A:HOH2370
|
2.8
|
35.7
|
1.0
|
C
|
A:ASP269
|
3.4
|
24.6
|
1.0
|
C
|
A:ALA337
|
3.5
|
24.0
|
1.0
|
C
|
A:GLY271
|
3.6
|
17.0
|
1.0
|
CG
|
A:ASP336
|
3.7
|
32.6
|
1.0
|
C
|
A:ASP336
|
4.0
|
35.9
|
1.0
|
N
|
A:ALA337
|
4.0
|
28.5
|
1.0
|
CA
|
A:ASP269
|
4.0
|
26.6
|
1.0
|
CB
|
A:ASP269
|
4.1
|
34.2
|
1.0
|
O
|
A:ASP336
|
4.2
|
29.8
|
1.0
|
C
|
A:ALA270
|
4.2
|
18.1
|
1.0
|
N
|
A:GLY271
|
4.2
|
15.2
|
1.0
|
OD1
|
A:ASP269
|
4.3
|
48.3
|
1.0
|
CA
|
A:ALA337
|
4.3
|
23.9
|
1.0
|
O
|
A:HOH2369
|
4.3
|
32.2
|
1.0
|
CA
|
A:THR272
|
4.4
|
16.9
|
1.0
|
N
|
A:ALA270
|
4.4
|
22.6
|
1.0
|
O
|
A:ALA270
|
4.4
|
18.4
|
1.0
|
OD2
|
A:ASP336
|
4.5
|
30.8
|
1.0
|
N
|
A:THR272
|
4.5
|
17.7
|
1.0
|
N
|
A:TYR338
|
4.5
|
18.9
|
1.0
|
CA
|
A:GLY271
|
4.6
|
14.6
|
1.0
|
CA
|
A:ASP336
|
4.6
|
40.0
|
1.0
|
CG
|
A:ASP269
|
4.6
|
44.8
|
1.0
|
CA
|
A:ALA270
|
4.6
|
19.7
|
1.0
|
CB
|
A:THR272
|
4.7
|
14.3
|
1.0
|
CA
|
A:TYR338
|
4.7
|
15.6
|
1.0
|
CB
|
A:ASP336
|
4.8
|
35.1
|
1.0
|
CZ3
|
A:TRP360
|
4.8
|
18.8
|
1.0
|
CB
|
A:ALA337
|
5.0
|
23.1
|
1.0
|
|
Calcium binding site 3 out
of 5 in 2wxu
Go back to
Calcium Binding Sites List in 2wxu
Calcium binding site 3 out
of 5 in the Clostridium Perfringens Alpha-Toxin Strain NCTC8237 Mutant T74I
Mono view
Stereo pair view
|
A full contact list of Calcium with other atoms in the Ca binding
site number 3 of Clostridium Perfringens Alpha-Toxin Strain NCTC8237 Mutant T74I within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Ca1381
b:40.8
occ:0.94
|
OD1
|
A:ASP298
|
2.4
|
22.9
|
1.0
|
O
|
A:ASN294
|
2.4
|
26.7
|
1.0
|
O
|
A:GLY296
|
2.5
|
32.2
|
1.0
|
O
|
A:HOH2329
|
2.6
|
36.7
|
1.0
|
OD2
|
A:ASP293
|
2.7
|
36.6
|
1.0
|
O
|
A:HOH2331
|
2.8
|
50.6
|
1.0
|
CG
|
A:ASP298
|
3.4
|
28.3
|
1.0
|
C
|
A:ASN294
|
3.6
|
33.2
|
1.0
|
O
|
A:HOH2330
|
3.7
|
8.6
|
1.0
|
C
|
A:GLY296
|
3.7
|
31.7
|
1.0
|
N
|
A:ASN294
|
3.7
|
21.1
|
1.0
|
N
|
A:GLY296
|
3.8
|
26.6
|
1.0
|
CG
|
A:ASP293
|
3.8
|
37.8
|
1.0
|
OD2
|
A:ASP298
|
4.0
|
35.3
|
1.0
|
CA
|
A:ASN294
|
4.2
|
25.9
|
1.0
|
C
|
A:ASP293
|
4.3
|
21.0
|
1.0
|
N
|
A:ASP298
|
4.3
|
28.8
|
1.0
|
CA
|
A:GLY296
|
4.4
|
19.4
|
1.0
|
O
|
A:HOH2340
|
4.4
|
31.2
|
1.0
|
CA
|
A:ASP293
|
4.5
|
22.3
|
1.0
|
CB
|
A:ASP298
|
4.5
|
23.4
|
1.0
|
OD1
|
A:ASP293
|
4.6
|
46.4
|
1.0
|
N
|
A:PRO295
|
4.7
|
40.3
|
1.0
|
N
|
A:ASN297
|
4.7
|
33.9
|
1.0
|
CB
|
A:ASP293
|
4.8
|
27.2
|
1.0
|
C
|
A:PRO295
|
4.8
|
30.0
|
1.0
|
CA
|
A:PRO295
|
4.9
|
41.7
|
1.0
|
CA
|
A:ASN297
|
4.9
|
31.4
|
1.0
|
CB
|
A:ASN294
|
5.0
|
27.6
|
1.0
|
|
Calcium binding site 4 out
of 5 in 2wxu
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Calcium Binding Sites List in 2wxu
Calcium binding site 4 out
of 5 in the Clostridium Perfringens Alpha-Toxin Strain NCTC8237 Mutant T74I
Mono view
Stereo pair view
|
A full contact list of Calcium with other atoms in the Ca binding
site number 4 of Clostridium Perfringens Alpha-Toxin Strain NCTC8237 Mutant T74I within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Ca1382
b:21.2
occ:1.00
|
OE2
|
A:GLU291
|
2.4
|
27.4
|
1.0
|
O
|
A:HOH2326
|
2.5
|
35.8
|
1.0
|
OD1
|
A:ASP293
|
2.7
|
46.4
|
1.0
|
O
|
A:HOH2324
|
2.7
|
43.8
|
1.0
|
O
|
A:HOH2327
|
3.2
|
43.1
|
1.0
|
CD
|
A:GLU291
|
3.3
|
29.2
|
1.0
|
CG
|
A:ASP293
|
3.7
|
37.8
|
1.0
|
OE1
|
A:GLU291
|
3.7
|
30.9
|
1.0
|
O
|
A:HOH2331
|
3.9
|
50.6
|
1.0
|
O
|
A:HOH2330
|
4.0
|
8.6
|
1.0
|
O
|
A:HOH2152
|
4.1
|
47.0
|
1.0
|
O
|
A:HOH2310
|
4.2
|
22.4
|
1.0
|
CD1
|
A:TYR275
|
4.2
|
35.3
|
1.0
|
CE1
|
A:TYR275
|
4.3
|
35.7
|
1.0
|
CB
|
A:ASP293
|
4.3
|
27.2
|
1.0
|
CG
|
A:GLU291
|
4.4
|
21.1
|
1.0
|
O
|
A:HOH2308
|
4.4
|
29.5
|
1.0
|
O
|
A:HOH2340
|
4.5
|
31.2
|
1.0
|
O
|
A:HOH2151
|
4.5
|
49.1
|
1.0
|
OD2
|
A:ASP293
|
4.5
|
36.6
|
1.0
|
|
Calcium binding site 5 out
of 5 in 2wxu
Go back to
Calcium Binding Sites List in 2wxu
Calcium binding site 5 out
of 5 in the Clostridium Perfringens Alpha-Toxin Strain NCTC8237 Mutant T74I
Mono view
Stereo pair view
|
A full contact list of Calcium with other atoms in the Ca binding
site number 5 of Clostridium Perfringens Alpha-Toxin Strain NCTC8237 Mutant T74I within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Ca1383
b:22.8
occ:1.00
|
OD1
|
A:ASP269
|
2.5
|
48.3
|
1.0
|
CG
|
A:ASP269
|
3.2
|
44.8
|
1.0
|
OD2
|
A:ASP269
|
3.2
|
48.5
|
1.0
|
O
|
A:HOH2305
|
4.2
|
34.5
|
1.0
|
NZ
|
A:LYS268
|
4.4
|
38.2
|
1.0
|
CB
|
A:ASP269
|
4.6
|
34.2
|
1.0
|
O
|
A:HOH2342
|
4.9
|
33.9
|
1.0
|
|
Reference:
S.G.Vachieri,
G.C.Clark,
A.Alape-Giron,
M.Flores-Diaz,
N.Justin,
C.E.Naylor,
R.W.Titball,
A.K.Basak.
Comparison of A Nontoxic Variant of Clostridium Perfringens [Alpha]-Toxin with the Toxic Wild-Type Strain Acta Crystallogr.,Sect.D V. 66 1067 2010.
ISSN: ISSN 0907-4449
PubMed: 20944240
DOI: 10.1107/S090744491003369X
Page generated: Fri Jul 12 18:54:43 2024
|