Calcium in PDB 4tln: Binding of Hydroxamic Acid Inhibitors to Crystalline Thermolysin Suggests A Pentacoordinate Zinc Intermediate in Catalysis
Enzymatic activity of Binding of Hydroxamic Acid Inhibitors to Crystalline Thermolysin Suggests A Pentacoordinate Zinc Intermediate in Catalysis
All present enzymatic activity of Binding of Hydroxamic Acid Inhibitors to Crystalline Thermolysin Suggests A Pentacoordinate Zinc Intermediate in Catalysis:
3.4.24.27;
Protein crystallography data
The structure of Binding of Hydroxamic Acid Inhibitors to Crystalline Thermolysin Suggests A Pentacoordinate Zinc Intermediate in Catalysis, PDB code: 4tln
was solved by
B.W.Matthews,
M.A.Holmes,
with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:
Resolution Low / High (Å)
|
10.00 /
2.30
|
Space group
|
P 61 2 2
|
Cell size a, b, c (Å), α, β, γ (°)
|
94.200,
94.200,
131.400,
90.00,
90.00,
120.00
|
R / Rfree (%)
|
n/a /
n/a
|
Other elements in 4tln:
The structure of Binding of Hydroxamic Acid Inhibitors to Crystalline Thermolysin Suggests A Pentacoordinate Zinc Intermediate in Catalysis also contains other interesting chemical elements:
Calcium Binding Sites:
The binding sites of Calcium atom in the Binding of Hydroxamic Acid Inhibitors to Crystalline Thermolysin Suggests A Pentacoordinate Zinc Intermediate in Catalysis
(pdb code 4tln). This binding sites where shown within
5.0 Angstroms radius around Calcium atom.
In total 4 binding sites of Calcium where determined in the
Binding of Hydroxamic Acid Inhibitors to Crystalline Thermolysin Suggests A Pentacoordinate Zinc Intermediate in Catalysis, PDB code: 4tln:
Jump to Calcium binding site number:
1;
2;
3;
4;
Calcium binding site 1 out
of 4 in 4tln
Go back to
Calcium Binding Sites List in 4tln
Calcium binding site 1 out
of 4 in the Binding of Hydroxamic Acid Inhibitors to Crystalline Thermolysin Suggests A Pentacoordinate Zinc Intermediate in Catalysis
Mono view
Stereo pair view
|
A full contact list of Calcium with other atoms in the Ca binding
site number 1 of Binding of Hydroxamic Acid Inhibitors to Crystalline Thermolysin Suggests A Pentacoordinate Zinc Intermediate in Catalysis within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Ca317
b:8.2
occ:1.00
|
O
|
A:GLU187
|
2.3
|
8.8
|
1.0
|
OD2
|
A:ASP185
|
2.5
|
12.2
|
1.0
|
OE2
|
A:GLU190
|
2.5
|
5.5
|
1.0
|
OD1
|
A:ASP138
|
2.6
|
6.2
|
1.0
|
OE1
|
A:GLU190
|
2.7
|
3.4
|
1.0
|
OE1
|
A:GLU177
|
2.7
|
4.7
|
1.0
|
O
|
A:HOH346
|
2.7
|
4.1
|
1.0
|
CD
|
A:GLU190
|
2.8
|
6.1
|
1.0
|
OE2
|
A:GLU177
|
2.8
|
2.9
|
1.0
|
CD
|
A:GLU177
|
3.1
|
3.3
|
1.0
|
CG
|
A:ASP185
|
3.4
|
11.2
|
1.0
|
C
|
A:GLU187
|
3.4
|
8.7
|
1.0
|
CG
|
A:ASP138
|
3.4
|
5.8
|
1.0
|
OD1
|
A:ASP185
|
3.7
|
13.3
|
1.0
|
CA
|
A:CA318
|
3.7
|
13.4
|
1.0
|
CB
|
A:ASP138
|
4.1
|
3.7
|
1.0
|
CA
|
A:GLU187
|
4.2
|
9.7
|
1.0
|
OD2
|
A:ASP138
|
4.2
|
6.4
|
1.0
|
CB
|
A:GLU187
|
4.2
|
11.5
|
1.0
|
N
|
A:GLU187
|
4.3
|
7.9
|
1.0
|
O
|
A:HOH469
|
4.3
|
34.5
|
1.0
|
N
|
A:ILE188
|
4.3
|
8.4
|
1.0
|
CG
|
A:GLU190
|
4.4
|
4.4
|
1.0
|
O
|
A:ASP185
|
4.4
|
10.4
|
1.0
|
CA
|
A:ILE188
|
4.5
|
8.6
|
1.0
|
O
|
A:HOH350
|
4.5
|
5.5
|
1.0
|
CG
|
A:GLU177
|
4.6
|
1.4
|
1.0
|
C
|
A:ASP185
|
4.7
|
10.1
|
1.0
|
N
|
A:GLY189
|
4.7
|
7.8
|
1.0
|
CB
|
A:ASP185
|
4.7
|
12.2
|
1.0
|
N
|
A:ASP185
|
4.7
|
12.2
|
1.0
|
CA
|
A:ASP185
|
5.0
|
9.5
|
1.0
|
|
Calcium binding site 2 out
of 4 in 4tln
Go back to
Calcium Binding Sites List in 4tln
Calcium binding site 2 out
of 4 in the Binding of Hydroxamic Acid Inhibitors to Crystalline Thermolysin Suggests A Pentacoordinate Zinc Intermediate in Catalysis
Mono view
Stereo pair view
|
A full contact list of Calcium with other atoms in the Ca binding
site number 2 of Binding of Hydroxamic Acid Inhibitors to Crystalline Thermolysin Suggests A Pentacoordinate Zinc Intermediate in Catalysis within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Ca318
b:13.4
occ:1.00
|
O
|
A:HOH475
|
2.0
|
50.0
|
1.0
|
OE2
|
A:GLU177
|
2.3
|
2.9
|
1.0
|
O
|
A:HOH353
|
2.4
|
8.3
|
1.0
|
OE2
|
A:GLU190
|
2.4
|
5.5
|
1.0
|
O
|
A:ASN183
|
2.4
|
15.7
|
1.0
|
OD1
|
A:ASP185
|
2.6
|
13.3
|
1.0
|
CD
|
A:GLU177
|
3.3
|
3.3
|
1.0
|
CD
|
A:GLU190
|
3.5
|
6.1
|
1.0
|
CG
|
A:ASP185
|
3.5
|
11.2
|
1.0
|
C
|
A:ASN183
|
3.6
|
15.7
|
1.0
|
O
|
A:LYS182
|
3.7
|
18.2
|
1.0
|
CA
|
A:CA317
|
3.7
|
8.2
|
1.0
|
OE1
|
A:GLU177
|
3.9
|
4.7
|
1.0
|
OD2
|
A:ASP185
|
3.9
|
12.2
|
1.0
|
CG
|
A:GLU190
|
4.0
|
4.4
|
1.0
|
OD2
|
A:ASP191
|
4.1
|
11.0
|
1.0
|
CA
|
A:PRO184
|
4.2
|
11.8
|
1.0
|
CB
|
A:ASN183
|
4.2
|
19.2
|
1.0
|
CG
|
A:GLU177
|
4.3
|
1.4
|
1.0
|
N
|
A:PRO184
|
4.4
|
13.8
|
1.0
|
N
|
A:ASP185
|
4.4
|
12.2
|
1.0
|
C
|
A:PRO184
|
4.4
|
12.7
|
1.0
|
OE1
|
A:GLU190
|
4.4
|
3.4
|
1.0
|
OD1
|
A:ASP191
|
4.5
|
6.1
|
1.0
|
CA
|
A:ASN183
|
4.5
|
16.4
|
1.0
|
ND2
|
A:ASN183
|
4.6
|
24.5
|
1.0
|
CG
|
A:ASP191
|
4.6
|
7.6
|
1.0
|
CB
|
A:ASP185
|
4.7
|
12.2
|
1.0
|
O
|
A:HOH469
|
4.7
|
34.5
|
1.0
|
C
|
A:LYS182
|
4.9
|
18.7
|
1.0
|
CG
|
A:ASN183
|
4.9
|
22.8
|
1.0
|
O
|
A:PRO184
|
5.0
|
13.0
|
1.0
|
|
Calcium binding site 3 out
of 4 in 4tln
Go back to
Calcium Binding Sites List in 4tln
Calcium binding site 3 out
of 4 in the Binding of Hydroxamic Acid Inhibitors to Crystalline Thermolysin Suggests A Pentacoordinate Zinc Intermediate in Catalysis
Mono view
Stereo pair view
|
A full contact list of Calcium with other atoms in the Ca binding
site number 3 of Binding of Hydroxamic Acid Inhibitors to Crystalline Thermolysin Suggests A Pentacoordinate Zinc Intermediate in Catalysis within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Ca319
b:11.7
occ:1.00
|
O
|
A:GLN61
|
2.0
|
6.9
|
1.0
|
O
|
A:HOH419
|
2.2
|
18.2
|
1.0
|
OD1
|
A:ASP57
|
2.3
|
7.2
|
1.0
|
OD1
|
A:ASP59
|
2.4
|
13.7
|
1.0
|
O
|
A:HOH482
|
2.5
|
26.7
|
1.0
|
OD2
|
A:ASP57
|
2.5
|
5.2
|
1.0
|
CG
|
A:ASP57
|
2.8
|
5.3
|
1.0
|
C
|
A:GLN61
|
3.3
|
9.4
|
1.0
|
CG
|
A:ASP59
|
3.4
|
10.6
|
1.0
|
OD2
|
A:ASP59
|
3.6
|
9.4
|
1.0
|
O
|
A:HOH421
|
4.0
|
54.3
|
1.0
|
O
|
A:HOH484
|
4.0
|
27.8
|
1.0
|
N
|
A:GLN61
|
4.1
|
8.3
|
1.0
|
CA
|
A:GLN61
|
4.2
|
9.0
|
1.0
|
CB
|
A:ASP57
|
4.2
|
6.2
|
1.0
|
N
|
A:PHE62
|
4.3
|
9.7
|
1.0
|
N
|
A:ASP59
|
4.4
|
9.2
|
1.0
|
CB
|
A:GLN61
|
4.5
|
12.5
|
1.0
|
N
|
A:ALA58
|
4.6
|
8.0
|
1.0
|
CB
|
A:ASP59
|
4.6
|
9.1
|
1.0
|
N
|
A:ASN60
|
4.7
|
6.9
|
1.0
|
OD2
|
A:ASP67
|
4.8
|
6.2
|
1.0
|
CA
|
A:PHE62
|
4.8
|
8.3
|
1.0
|
CA
|
A:ASP57
|
4.9
|
6.1
|
1.0
|
CA
|
A:ASP59
|
4.9
|
7.1
|
1.0
|
O
|
A:HOH356
|
4.9
|
12.9
|
1.0
|
C
|
A:ASP59
|
5.0
|
7.3
|
1.0
|
|
Calcium binding site 4 out
of 4 in 4tln
Go back to
Calcium Binding Sites List in 4tln
Calcium binding site 4 out
of 4 in the Binding of Hydroxamic Acid Inhibitors to Crystalline Thermolysin Suggests A Pentacoordinate Zinc Intermediate in Catalysis
Mono view
Stereo pair view
|
A full contact list of Calcium with other atoms in the Ca binding
site number 4 of Binding of Hydroxamic Acid Inhibitors to Crystalline Thermolysin Suggests A Pentacoordinate Zinc Intermediate in Catalysis within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Ca320
b:14.8
occ:1.00
|
O
|
A:HOH480
|
2.0
|
21.9
|
1.0
|
OD1
|
A:ASP200
|
2.1
|
12.1
|
1.0
|
OG1
|
A:THR194
|
2.4
|
12.6
|
1.0
|
O
|
A:HOH354
|
2.4
|
1.5
|
1.0
|
O
|
A:THR194
|
2.4
|
12.7
|
1.0
|
O
|
A:TYR193
|
2.6
|
11.2
|
1.0
|
O
|
A:ILE197
|
2.7
|
20.1
|
1.0
|
CG
|
A:ASP200
|
3.3
|
10.8
|
1.0
|
C
|
A:THR194
|
3.4
|
13.9
|
1.0
|
C
|
A:TYR193
|
3.5
|
11.1
|
1.0
|
C
|
A:ILE197
|
3.5
|
19.5
|
1.0
|
CB
|
A:THR194
|
3.7
|
13.5
|
1.0
|
OD2
|
A:ASP200
|
3.8
|
12.9
|
1.0
|
CA
|
A:THR194
|
3.9
|
12.9
|
1.0
|
N
|
A:THR194
|
4.0
|
11.6
|
1.0
|
CA
|
A:ILE197
|
4.2
|
18.7
|
1.0
|
O
|
A:GLU190
|
4.3
|
7.2
|
1.0
|
O
|
A:ASP200
|
4.3
|
14.5
|
1.0
|
N
|
A:ILE197
|
4.3
|
20.4
|
1.0
|
CB
|
A:ILE197
|
4.3
|
18.9
|
1.0
|
N
|
A:ASP200
|
4.4
|
13.9
|
1.0
|
N
|
A:SER198
|
4.4
|
19.8
|
1.0
|
N
|
A:PRO195
|
4.5
|
14.3
|
1.0
|
CA
|
A:SER198
|
4.5
|
18.7
|
1.0
|
CB
|
A:ASP200
|
4.5
|
9.9
|
1.0
|
CA
|
A:TYR193
|
4.6
|
10.2
|
1.0
|
C
|
A:ASP200
|
4.7
|
13.0
|
1.0
|
CB
|
A:TYR193
|
4.7
|
9.7
|
1.0
|
CD2
|
A:TYR193
|
4.7
|
11.7
|
1.0
|
CA
|
A:ASP200
|
4.8
|
12.9
|
1.0
|
O
|
A:HOH476
|
4.8
|
23.0
|
1.0
|
CA
|
A:PRO195
|
4.9
|
15.9
|
1.0
|
C
|
A:SER198
|
5.0
|
18.0
|
1.0
|
N
|
A:GLY199
|
5.0
|
16.8
|
1.0
|
CG2
|
A:THR194
|
5.0
|
11.0
|
1.0
|
|
Reference:
M.A.Holmes,
B.W.Matthews.
Binding of Hydroxamic Acid Inhibitors to Crystalline Thermolysin Suggests A Pentacoordinate Zinc Intermediate in Catalysis. Biochemistry V. 20 6912 1981.
ISSN: ISSN 0006-2960
PubMed: 7317361
DOI: 10.1021/BI00527A026
Page generated: Sun Jul 14 13:22:36 2024
|