Calcium in PDB 4aor: Cationic Trypsin in Complex with the Spinacia Oleracea Trypsin Inhibitor III (Soti-III)
Enzymatic activity of Cationic Trypsin in Complex with the Spinacia Oleracea Trypsin Inhibitor III (Soti-III)
All present enzymatic activity of Cationic Trypsin in Complex with the Spinacia Oleracea Trypsin Inhibitor III (Soti-III):
3.4.21.4;
Protein crystallography data
The structure of Cationic Trypsin in Complex with the Spinacia Oleracea Trypsin Inhibitor III (Soti-III), PDB code: 4aor
was solved by
S.Schmelz,
B.Glotzbach,
M.Reinwarth,
A.Christmann,
H.Kolmar,
D.W.Heinz,
with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:
Resolution Low / High (Å)
|
32.04 /
1.70
|
Space group
|
P 1 21 1
|
Cell size a, b, c (Å), α, β, γ (°)
|
49.350,
66.820,
108.890,
90.00,
90.17,
90.00
|
R / Rfree (%)
|
17.9 /
22.1
|
Other elements in 4aor:
The structure of Cationic Trypsin in Complex with the Spinacia Oleracea Trypsin Inhibitor III (Soti-III) also contains other interesting chemical elements:
Calcium Binding Sites:
The binding sites of Calcium atom in the Cationic Trypsin in Complex with the Spinacia Oleracea Trypsin Inhibitor III (Soti-III)
(pdb code 4aor). This binding sites where shown within
5.0 Angstroms radius around Calcium atom.
In total 4 binding sites of Calcium where determined in the
Cationic Trypsin in Complex with the Spinacia Oleracea Trypsin Inhibitor III (Soti-III), PDB code: 4aor:
Jump to Calcium binding site number:
1;
2;
3;
4;
Calcium binding site 1 out
of 4 in 4aor
Go back to
Calcium Binding Sites List in 4aor
Calcium binding site 1 out
of 4 in the Cationic Trypsin in Complex with the Spinacia Oleracea Trypsin Inhibitor III (Soti-III)
Mono view
Stereo pair view
|
A full contact list of Calcium with other atoms in the Ca binding
site number 1 of Cationic Trypsin in Complex with the Spinacia Oleracea Trypsin Inhibitor III (Soti-III) within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Ca1255
b:10.4
occ:1.00
|
OE1
|
A:GLU75
|
2.4
|
9.3
|
1.0
|
O
|
A:VAL80
|
2.5
|
14.5
|
1.0
|
O
|
A:ASN77
|
2.5
|
12.2
|
1.0
|
OE2
|
A:GLU85
|
2.5
|
11.7
|
1.0
|
O
|
A:HOH2068
|
2.6
|
13.9
|
1.0
|
O
|
A:HOH2069
|
2.6
|
9.2
|
1.0
|
CD
|
A:GLU75
|
3.4
|
10.6
|
1.0
|
CD
|
A:GLU85
|
3.5
|
10.3
|
1.0
|
C
|
A:VAL80
|
3.5
|
15.6
|
1.0
|
C
|
A:ASN77
|
3.6
|
11.7
|
1.0
|
CG
|
A:GLU85
|
3.7
|
13.3
|
1.0
|
OE2
|
A:GLU75
|
3.8
|
9.2
|
1.0
|
CA
|
A:VAL81
|
4.1
|
13.5
|
1.0
|
N
|
A:GLU82
|
4.2
|
15.3
|
1.0
|
N
|
A:VAL81
|
4.2
|
11.3
|
1.0
|
N
|
A:VAL80
|
4.3
|
11.4
|
1.0
|
OE1
|
A:GLU82
|
4.4
|
15.4
|
1.0
|
CA
|
A:ILE78
|
4.4
|
12.2
|
1.0
|
N
|
A:ILE78
|
4.4
|
10.9
|
1.0
|
N
|
A:ASN77
|
4.4
|
9.7
|
1.0
|
C
|
A:ILE78
|
4.5
|
16.4
|
1.0
|
O
|
A:HOH2067
|
4.5
|
10.1
|
1.0
|
CA
|
A:VAL80
|
4.5
|
15.2
|
1.0
|
CA
|
A:ASN77
|
4.5
|
12.4
|
1.0
|
OE1
|
A:GLU85
|
4.6
|
9.3
|
1.0
|
N
|
A:ASP76
|
4.6
|
10.3
|
1.0
|
C
|
A:VAL81
|
4.6
|
12.9
|
1.0
|
CG
|
A:GLU82
|
4.6
|
12.0
|
1.0
|
CG
|
A:GLU75
|
4.7
|
9.2
|
1.0
|
O
|
A:ILE78
|
4.7
|
12.9
|
1.0
|
CA
|
A:GLU75
|
4.7
|
9.7
|
1.0
|
CB
|
A:ASN77
|
4.8
|
12.1
|
1.0
|
CB
|
A:GLU75
|
4.8
|
10.1
|
1.0
|
N
|
A:ASN79
|
4.9
|
10.7
|
1.0
|
CB
|
A:GLU82
|
4.9
|
12.7
|
1.0
|
CD
|
A:GLU82
|
4.9
|
19.8
|
1.0
|
|
Calcium binding site 2 out
of 4 in 4aor
Go back to
Calcium Binding Sites List in 4aor
Calcium binding site 2 out
of 4 in the Cationic Trypsin in Complex with the Spinacia Oleracea Trypsin Inhibitor III (Soti-III)
Mono view
Stereo pair view
|
A full contact list of Calcium with other atoms in the Ca binding
site number 2 of Cationic Trypsin in Complex with the Spinacia Oleracea Trypsin Inhibitor III (Soti-III) within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:Ca1252
b:12.8
occ:1.00
|
OE1
|
B:GLU75
|
2.4
|
11.7
|
1.0
|
O
|
B:ASN77
|
2.5
|
15.4
|
1.0
|
O
|
B:VAL80
|
2.5
|
16.2
|
1.0
|
OE2
|
B:GLU85
|
2.6
|
17.6
|
1.0
|
O
|
B:HOH2059
|
2.6
|
13.7
|
1.0
|
O
|
B:HOH2060
|
2.7
|
15.1
|
1.0
|
CD
|
B:GLU75
|
3.4
|
12.9
|
1.0
|
CD
|
B:GLU85
|
3.5
|
16.5
|
1.0
|
C
|
B:VAL80
|
3.6
|
17.8
|
1.0
|
C
|
B:ASN77
|
3.6
|
15.3
|
1.0
|
CG
|
B:GLU85
|
3.7
|
13.1
|
1.0
|
OE2
|
B:GLU75
|
3.8
|
10.9
|
1.0
|
N
|
B:GLU82
|
4.1
|
18.5
|
1.0
|
CA
|
B:VAL81
|
4.1
|
15.2
|
1.0
|
CA
|
B:ILE78
|
4.2
|
17.2
|
1.0
|
OE1
|
B:GLU82
|
4.3
|
17.0
|
1.0
|
N
|
B:VAL81
|
4.3
|
15.1
|
1.0
|
N
|
B:VAL80
|
4.3
|
15.5
|
1.0
|
C
|
B:ILE78
|
4.4
|
18.0
|
1.0
|
N
|
B:ILE78
|
4.4
|
14.8
|
1.0
|
N
|
B:ASN77
|
4.5
|
13.2
|
1.0
|
O
|
B:HOH2058
|
4.5
|
15.2
|
1.0
|
CG
|
B:GLU82
|
4.6
|
15.4
|
1.0
|
CA
|
B:ASN77
|
4.6
|
15.6
|
1.0
|
CA
|
B:VAL80
|
4.6
|
16.9
|
1.0
|
C
|
B:VAL81
|
4.6
|
22.0
|
1.0
|
OE1
|
B:GLU85
|
4.6
|
14.2
|
1.0
|
O
|
B:ILE78
|
4.7
|
16.1
|
1.0
|
CG
|
B:GLU75
|
4.7
|
9.8
|
1.0
|
N
|
B:ASP76
|
4.7
|
10.7
|
1.0
|
CA
|
B:GLU75
|
4.8
|
13.2
|
1.0
|
CB
|
B:ASN77
|
4.8
|
20.7
|
1.0
|
N
|
B:ASN79
|
4.9
|
14.3
|
1.0
|
CD
|
B:GLU82
|
4.9
|
28.1
|
1.0
|
CB
|
B:GLU82
|
4.9
|
15.1
|
1.0
|
CB
|
B:GLU75
|
4.9
|
14.3
|
1.0
|
|
Calcium binding site 3 out
of 4 in 4aor
Go back to
Calcium Binding Sites List in 4aor
Calcium binding site 3 out
of 4 in the Cationic Trypsin in Complex with the Spinacia Oleracea Trypsin Inhibitor III (Soti-III)
Mono view
Stereo pair view
|
A full contact list of Calcium with other atoms in the Ca binding
site number 3 of Cationic Trypsin in Complex with the Spinacia Oleracea Trypsin Inhibitor III (Soti-III) within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:Ca1253
b:46.8
occ:1.00
|
O
|
B:HOH2141
|
2.9
|
24.4
|
1.0
|
O
|
B:HOH2187
|
2.9
|
36.1
|
1.0
|
OG
|
B:SER170
|
3.1
|
34.4
|
1.0
|
CB
|
B:SER170
|
3.4
|
23.5
|
1.0
|
CD1
|
B:LEU189
|
3.7
|
26.2
|
1.0
|
CD2
|
B:LEU166
|
3.9
|
24.7
|
1.0
|
CB
|
B:LEU166
|
4.4
|
14.4
|
1.0
|
O
|
B:HOH2186
|
4.4
|
28.2
|
1.0
|
O
|
B:HOH2142
|
4.4
|
33.4
|
1.0
|
CG
|
B:LEU189
|
4.4
|
22.5
|
1.0
|
OG
|
B:SER167
|
4.5
|
17.3
|
1.0
|
O
|
B:HOH2149
|
4.5
|
28.7
|
1.0
|
CG
|
B:LEU166
|
4.5
|
16.0
|
1.0
|
O
|
B:HOH2070
|
4.6
|
29.2
|
1.0
|
O
|
B:HOH2159
|
4.7
|
19.7
|
1.0
|
N
|
B:SER167
|
4.7
|
20.9
|
1.0
|
CD1
|
B:LEU166
|
4.7
|
18.4
|
1.0
|
CA
|
B:SER170
|
4.9
|
14.2
|
1.0
|
CA
|
B:LEU166
|
4.9
|
14.7
|
1.0
|
O
|
B:HOH2056
|
4.9
|
26.1
|
1.0
|
|
Calcium binding site 4 out
of 4 in 4aor
Go back to
Calcium Binding Sites List in 4aor
Calcium binding site 4 out
of 4 in the Cationic Trypsin in Complex with the Spinacia Oleracea Trypsin Inhibitor III (Soti-III)
Mono view
Stereo pair view
|
A full contact list of Calcium with other atoms in the Ca binding
site number 4 of Cationic Trypsin in Complex with the Spinacia Oleracea Trypsin Inhibitor III (Soti-III) within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
C:Ca1249
b:15.0
occ:1.00
|
OE2
|
C:GLU85
|
2.5
|
15.5
|
1.0
|
OE1
|
C:GLU75
|
2.5
|
13.6
|
1.0
|
O
|
C:VAL80
|
2.5
|
14.7
|
1.0
|
O
|
C:ASN77
|
2.6
|
15.3
|
1.0
|
O
|
A:HOH2172
|
2.6
|
12.9
|
1.0
|
O
|
C:HOH2051
|
2.6
|
14.8
|
1.0
|
CD
|
C:GLU85
|
3.4
|
12.5
|
1.0
|
CD
|
C:GLU75
|
3.5
|
12.4
|
1.0
|
C
|
C:VAL80
|
3.6
|
15.4
|
1.0
|
CG
|
C:GLU85
|
3.6
|
11.9
|
1.0
|
C
|
C:ASN77
|
3.7
|
19.9
|
1.0
|
OE2
|
C:GLU75
|
3.9
|
11.4
|
1.0
|
N
|
C:GLU82
|
4.0
|
14.6
|
1.0
|
CA
|
C:VAL81
|
4.1
|
15.2
|
1.0
|
N
|
C:VAL80
|
4.2
|
18.9
|
1.0
|
N
|
C:VAL81
|
4.3
|
13.4
|
1.0
|
OE1
|
C:GLU82
|
4.4
|
16.8
|
1.0
|
CA
|
C:ILE78
|
4.4
|
17.9
|
1.0
|
C
|
C:ILE78
|
4.5
|
18.4
|
1.0
|
CG
|
C:GLU82
|
4.5
|
16.9
|
1.0
|
N
|
C:ILE78
|
4.5
|
17.0
|
1.0
|
N
|
C:ASN77
|
4.5
|
10.6
|
1.0
|
C
|
C:VAL81
|
4.5
|
21.5
|
1.0
|
O
|
C:HOH2050
|
4.5
|
13.7
|
1.0
|
CA
|
C:VAL80
|
4.5
|
15.5
|
1.0
|
CA
|
C:ASN77
|
4.6
|
14.4
|
1.0
|
N
|
C:ASP76
|
4.6
|
13.1
|
1.0
|
OE1
|
C:GLU85
|
4.6
|
17.2
|
1.0
|
O
|
C:ILE78
|
4.6
|
14.2
|
1.0
|
CA
|
C:GLU75
|
4.8
|
13.1
|
1.0
|
CG
|
C:GLU75
|
4.8
|
13.7
|
1.0
|
CB
|
C:GLU82
|
4.8
|
16.1
|
1.0
|
N
|
C:ASN79
|
4.8
|
15.1
|
1.0
|
CB
|
C:ASN77
|
4.9
|
14.7
|
1.0
|
O
|
A:GLY177
|
4.9
|
12.0
|
1.0
|
CD
|
C:GLU82
|
4.9
|
24.3
|
1.0
|
CB
|
C:GLU75
|
4.9
|
8.5
|
1.0
|
|
Reference:
B.Glotzbach,
S.Schmelz,
M.Reinwarth,
A.Christmann,
D.W.Heinz,
H.Kolmar.
Structural Characterization of Spinacia Oleracea Trypsin Inhibitor III (Soti-III) Acta Crystallogr.,Sect.D V. 69 114 2013.
ISSN: ISSN 0907-4449
PubMed: 23275169
DOI: 10.1107/S0907444912043880
Page generated: Sat Jul 13 22:09:13 2024
|