Calcium in PDB 1mpx: Alpha-Amino Acid Ester Hydrolase Labeled with Selenomethionine
Enzymatic activity of Alpha-Amino Acid Ester Hydrolase Labeled with Selenomethionine
All present enzymatic activity of Alpha-Amino Acid Ester Hydrolase Labeled with Selenomethionine:
3.1.1.43;
Protein crystallography data
The structure of Alpha-Amino Acid Ester Hydrolase Labeled with Selenomethionine, PDB code: 1mpx
was solved by
T.R.M.Barends,
J.J.Polderman-Tijmes,
P.A.Jekel,
C.M.H.Hensgens,
E.J.Devries,
D.B.Janssen,
B.W.Dijkstra,
with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:
Resolution Low / High (Å)
|
40.00 /
1.90
|
Space group
|
P 1 21 1
|
Cell size a, b, c (Å), α, β, γ (°)
|
89.772,
126.016,
132.291,
90.00,
91.06,
90.00
|
R / Rfree (%)
|
14.9 /
17.8
|
Calcium Binding Sites:
The binding sites of Calcium atom in the Alpha-Amino Acid Ester Hydrolase Labeled with Selenomethionine
(pdb code 1mpx). This binding sites where shown within
5.0 Angstroms radius around Calcium atom.
In total 4 binding sites of Calcium where determined in the
Alpha-Amino Acid Ester Hydrolase Labeled with Selenomethionine, PDB code: 1mpx:
Jump to Calcium binding site number:
1;
2;
3;
4;
Calcium binding site 1 out
of 4 in 1mpx
Go back to
Calcium Binding Sites List in 1mpx
Calcium binding site 1 out
of 4 in the Alpha-Amino Acid Ester Hydrolase Labeled with Selenomethionine
Mono view
Stereo pair view
|
A full contact list of Calcium with other atoms in the Ca binding
site number 1 of Alpha-Amino Acid Ester Hydrolase Labeled with Selenomethionine within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Ca638
b:15.3
occ:1.00
|
OD1
|
A:ASN328
|
2.3
|
13.1
|
1.0
|
O
|
A:ASN331
|
2.3
|
13.8
|
1.0
|
O
|
A:HOH3085
|
2.3
|
16.6
|
1.0
|
OD2
|
A:ASP325
|
2.4
|
15.8
|
1.0
|
O
|
A:HOH3051
|
2.4
|
14.7
|
1.0
|
OE2
|
A:GLU322
|
2.5
|
16.2
|
1.0
|
OE1
|
A:GLU322
|
2.5
|
19.4
|
1.0
|
CD
|
A:GLU322
|
2.9
|
19.4
|
1.0
|
C
|
A:ASN331
|
3.4
|
14.0
|
1.0
|
CG
|
A:ASN328
|
3.5
|
17.4
|
1.0
|
CG
|
A:ASP325
|
3.5
|
20.0
|
1.0
|
CA
|
A:ASN328
|
4.1
|
19.1
|
1.0
|
CB
|
A:ASP325
|
4.2
|
22.8
|
1.0
|
CB
|
A:ASN331
|
4.2
|
15.4
|
1.0
|
CA
|
A:ASN331
|
4.2
|
14.6
|
1.0
|
N
|
A:ASN331
|
4.3
|
14.5
|
1.0
|
OH
|
A:TYR318
|
4.3
|
14.3
|
1.0
|
C
|
A:ASN328
|
4.3
|
18.8
|
1.0
|
O
|
A:ASN328
|
4.4
|
19.8
|
1.0
|
O
|
A:HOH3032
|
4.4
|
13.5
|
1.0
|
CB
|
A:ASN328
|
4.4
|
18.1
|
1.0
|
O
|
A:HOH3278
|
4.4
|
26.2
|
1.0
|
ND2
|
A:ASN328
|
4.4
|
14.1
|
1.0
|
CG
|
A:GLU322
|
4.4
|
16.3
|
1.0
|
CB
|
A:PRO387
|
4.5
|
17.6
|
1.0
|
CE1
|
A:TYR318
|
4.5
|
11.2
|
1.0
|
N
|
A:TYR332
|
4.5
|
12.9
|
1.0
|
OD1
|
A:ASP325
|
4.5
|
17.9
|
1.0
|
O
|
A:PRO387
|
4.7
|
13.4
|
1.0
|
CA
|
A:TYR332
|
4.7
|
14.7
|
1.0
|
CZ
|
A:TYR318
|
4.8
|
15.7
|
1.0
|
ND2
|
A:ASN331
|
4.9
|
11.9
|
1.0
|
CA
|
A:PRO387
|
4.9
|
17.2
|
1.0
|
N
|
A:THR329
|
5.0
|
21.3
|
1.0
|
|
Calcium binding site 2 out
of 4 in 1mpx
Go back to
Calcium Binding Sites List in 1mpx
Calcium binding site 2 out
of 4 in the Alpha-Amino Acid Ester Hydrolase Labeled with Selenomethionine
Mono view
Stereo pair view
|
A full contact list of Calcium with other atoms in the Ca binding
site number 2 of Alpha-Amino Acid Ester Hydrolase Labeled with Selenomethionine within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:Ca638
b:14.7
occ:1.00
|
O
|
B:ASN331
|
2.2
|
14.2
|
1.0
|
OD1
|
B:ASN328
|
2.3
|
16.0
|
1.0
|
O
|
B:HOH3021
|
2.3
|
11.9
|
1.0
|
O
|
B:HOH3032
|
2.4
|
13.1
|
1.0
|
OD2
|
B:ASP325
|
2.4
|
15.9
|
1.0
|
OE2
|
B:GLU322
|
2.6
|
14.4
|
1.0
|
OE1
|
B:GLU322
|
2.6
|
17.4
|
1.0
|
CD
|
B:GLU322
|
2.9
|
15.6
|
1.0
|
C
|
B:ASN331
|
3.4
|
13.2
|
1.0
|
CG
|
B:ASN328
|
3.5
|
14.4
|
1.0
|
CG
|
B:ASP325
|
3.5
|
22.0
|
1.0
|
CA
|
B:ASN328
|
4.1
|
16.8
|
1.0
|
CA
|
B:ASN331
|
4.1
|
13.2
|
1.0
|
CB
|
B:ASN331
|
4.1
|
11.9
|
1.0
|
CB
|
B:ASP325
|
4.1
|
19.6
|
1.0
|
N
|
B:ASN331
|
4.2
|
13.9
|
1.0
|
C
|
B:ASN328
|
4.3
|
14.8
|
1.0
|
OH
|
B:TYR318
|
4.3
|
16.4
|
1.0
|
O
|
B:ASN328
|
4.3
|
16.1
|
1.0
|
O
|
B:HOH3232
|
4.3
|
23.7
|
1.0
|
CB
|
B:ASN328
|
4.4
|
15.9
|
1.0
|
O
|
B:HOH3084
|
4.4
|
16.4
|
1.0
|
ND2
|
B:ASN328
|
4.4
|
12.9
|
1.0
|
CG
|
B:GLU322
|
4.4
|
15.7
|
1.0
|
CB
|
B:PRO387
|
4.4
|
17.6
|
1.0
|
N
|
B:TYR332
|
4.5
|
13.7
|
1.0
|
CE1
|
B:TYR318
|
4.5
|
11.1
|
1.0
|
OD1
|
B:ASP325
|
4.5
|
14.6
|
1.0
|
O
|
B:PRO387
|
4.7
|
12.6
|
1.0
|
CA
|
B:TYR332
|
4.7
|
12.6
|
1.0
|
CA
|
B:PRO387
|
4.8
|
15.4
|
1.0
|
CZ
|
B:TYR318
|
4.9
|
17.6
|
1.0
|
ND2
|
B:ASN331
|
4.9
|
16.4
|
1.0
|
N
|
B:THR329
|
5.0
|
16.3
|
1.0
|
|
Calcium binding site 3 out
of 4 in 1mpx
Go back to
Calcium Binding Sites List in 1mpx
Calcium binding site 3 out
of 4 in the Alpha-Amino Acid Ester Hydrolase Labeled with Selenomethionine
Mono view
Stereo pair view
|
A full contact list of Calcium with other atoms in the Ca binding
site number 3 of Alpha-Amino Acid Ester Hydrolase Labeled with Selenomethionine within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
C:Ca638
b:19.8
occ:1.00
|
O
|
C:ASN331
|
2.3
|
16.6
|
1.0
|
OD1
|
C:ASN328
|
2.3
|
20.1
|
1.0
|
O
|
C:HOH3064
|
2.4
|
18.6
|
1.0
|
O
|
C:HOH3019
|
2.4
|
15.7
|
1.0
|
OD2
|
C:ASP325
|
2.4
|
21.0
|
1.0
|
OE2
|
C:GLU322
|
2.6
|
23.8
|
1.0
|
OE1
|
C:GLU322
|
2.7
|
27.6
|
1.0
|
CD
|
C:GLU322
|
3.0
|
25.8
|
1.0
|
C
|
C:ASN331
|
3.4
|
17.7
|
1.0
|
CG
|
C:ASN328
|
3.5
|
22.8
|
1.0
|
CG
|
C:ASP325
|
3.6
|
23.1
|
1.0
|
CA
|
C:ASN328
|
4.0
|
23.0
|
1.0
|
CB
|
C:ASN331
|
4.1
|
18.8
|
1.0
|
CA
|
C:ASN331
|
4.2
|
19.1
|
1.0
|
C
|
C:ASN328
|
4.2
|
20.0
|
1.0
|
CB
|
C:ASP325
|
4.2
|
23.4
|
1.0
|
O
|
C:ASN328
|
4.2
|
20.5
|
1.0
|
N
|
C:ASN331
|
4.3
|
20.8
|
1.0
|
O
|
C:HOH3249
|
4.3
|
28.7
|
1.0
|
OH
|
C:TYR318
|
4.4
|
24.2
|
1.0
|
CB
|
C:ASN328
|
4.4
|
22.6
|
1.0
|
CB
|
C:PRO387
|
4.4
|
19.8
|
1.0
|
N
|
C:TYR332
|
4.5
|
18.9
|
1.0
|
O
|
C:HOH3031
|
4.5
|
16.4
|
1.0
|
ND2
|
C:ASN328
|
4.5
|
18.6
|
1.0
|
CE1
|
C:TYR318
|
4.5
|
19.4
|
1.0
|
CG
|
C:GLU322
|
4.5
|
20.5
|
1.0
|
OD1
|
C:ASP325
|
4.5
|
20.8
|
1.0
|
O
|
C:PRO387
|
4.7
|
18.7
|
1.0
|
CA
|
C:TYR332
|
4.7
|
16.2
|
1.0
|
CA
|
C:PRO387
|
4.8
|
19.8
|
1.0
|
N
|
C:THR329
|
4.9
|
18.9
|
1.0
|
CZ
|
C:TYR318
|
4.9
|
22.9
|
1.0
|
ND2
|
C:ASN331
|
4.9
|
17.7
|
1.0
|
|
Calcium binding site 4 out
of 4 in 1mpx
Go back to
Calcium Binding Sites List in 1mpx
Calcium binding site 4 out
of 4 in the Alpha-Amino Acid Ester Hydrolase Labeled with Selenomethionine
Mono view
Stereo pair view
|
A full contact list of Calcium with other atoms in the Ca binding
site number 4 of Alpha-Amino Acid Ester Hydrolase Labeled with Selenomethionine within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
D:Ca638
b:21.1
occ:1.00
|
O
|
D:ASN331
|
2.2
|
21.1
|
1.0
|
OD1
|
D:ASN328
|
2.3
|
22.3
|
1.0
|
O
|
D:HOH3092
|
2.4
|
20.2
|
1.0
|
OD2
|
D:ASP325
|
2.4
|
20.5
|
1.0
|
O
|
D:HOH3052
|
2.4
|
17.9
|
1.0
|
OE2
|
D:GLU322
|
2.5
|
21.3
|
1.0
|
OE1
|
D:GLU322
|
2.6
|
25.6
|
1.0
|
CD
|
D:GLU322
|
2.9
|
24.7
|
1.0
|
C
|
D:ASN331
|
3.4
|
23.2
|
1.0
|
CG
|
D:ASN328
|
3.5
|
25.9
|
1.0
|
CG
|
D:ASP325
|
3.5
|
23.9
|
1.0
|
CA
|
D:ASN328
|
4.1
|
26.3
|
1.0
|
CB
|
D:ASN331
|
4.1
|
23.0
|
1.0
|
CA
|
D:ASN331
|
4.1
|
21.0
|
1.0
|
CB
|
D:ASP325
|
4.1
|
24.0
|
1.0
|
O
|
D:HOH3199
|
4.2
|
26.6
|
1.0
|
C
|
D:ASN328
|
4.2
|
23.2
|
1.0
|
N
|
D:ASN331
|
4.3
|
22.5
|
1.0
|
O
|
D:ASN328
|
4.3
|
27.1
|
1.0
|
OH
|
D:TYR318
|
4.3
|
21.0
|
1.0
|
CB
|
D:ASN328
|
4.4
|
24.3
|
1.0
|
O
|
D:HOH3083
|
4.5
|
19.6
|
1.0
|
CG
|
D:GLU322
|
4.5
|
23.7
|
1.0
|
CE1
|
D:TYR318
|
4.5
|
19.9
|
1.0
|
ND2
|
D:ASN328
|
4.5
|
20.7
|
1.0
|
N
|
D:TYR332
|
4.5
|
21.1
|
1.0
|
OD1
|
D:ASP325
|
4.5
|
17.1
|
1.0
|
CB
|
D:PRO387
|
4.6
|
17.5
|
1.0
|
CA
|
D:TYR332
|
4.7
|
20.0
|
1.0
|
O
|
D:PRO387
|
4.8
|
19.1
|
1.0
|
ND2
|
D:ASN331
|
4.9
|
18.0
|
1.0
|
CZ
|
D:TYR318
|
4.9
|
21.1
|
1.0
|
N
|
D:THR329
|
4.9
|
24.2
|
1.0
|
CA
|
D:PRO387
|
5.0
|
18.9
|
1.0
|
|
Reference:
T.R.Barends,
J.J.Polderman-Tijmes,
P.A.Jekel,
C.M.Hensgens,
E.J.De Vries,
D.B.Janssen,
B.W.Dijkstra.
The Sequence and Crystal Structure of the Alpha-Amino Acid Ester Hydrolase From Xanthomonas Citri Define A New Family of Beta-Lactam Antibiotic Acylases. J.Biol.Chem. V. 278 23076 2003.
ISSN: ISSN 0021-9258
PubMed: 12684501
DOI: 10.1074/JBC.M302246200
Page generated: Thu Jul 11 12:35:33 2024
|