Magnesium in PDB 2a31: Trypsin in Complex with Borate
Enzymatic activity of Trypsin in Complex with Borate
All present enzymatic activity of Trypsin in Complex with Borate:
3.4.21.4;
Protein crystallography data
The structure of Trypsin in Complex with Borate, PDB code: 2a31
was solved by
T.R.Transue,
S.A.Gabel,
R.E.London,
with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:
Resolution Low / High (Å)
|
31.90 /
1.25
|
Space group
|
P 21 21 21
|
Cell size a, b, c (Å), α, β, γ (°)
|
76.304,
53.446,
46.466,
90.00,
90.00,
90.00
|
R / Rfree (%)
|
14 /
16.2
|
Other elements in 2a31:
The structure of Trypsin in Complex with Borate also contains other interesting chemical elements:
Magnesium Binding Sites:
The binding sites of Magnesium atom in the Trypsin in Complex with Borate
(pdb code 2a31). This binding sites where shown within
5.0 Angstroms radius around Magnesium atom.
In total 3 binding sites of Magnesium where determined in the
Trypsin in Complex with Borate, PDB code: 2a31:
Jump to Magnesium binding site number:
1;
2;
3;
Magnesium binding site 1 out
of 3 in 2a31
Go back to
Magnesium Binding Sites List in 2a31
Magnesium binding site 1 out
of 3 in the Trypsin in Complex with Borate
Mono view
Stereo pair view
|
A full contact list of Magnesium with other atoms in the Mg binding
site number 1 of Trypsin in Complex with Borate within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Mg503
b:9.0
occ:0.60
|
CA
|
A:CA502
|
0.5
|
8.2
|
0.4
|
H2
|
A:HOH975
|
1.8
|
9.8
|
0.9
|
O
|
A:HOH1215
|
1.8
|
3.7
|
0.3
|
OE2
|
A:GLU80
|
1.9
|
12.4
|
1.0
|
OE1
|
A:GLU70
|
2.1
|
9.3
|
1.0
|
OE1
|
A:GLU77
|
2.1
|
20.1
|
0.7
|
O
|
A:VAL75
|
2.2
|
11.8
|
1.0
|
H2
|
A:HOH1215
|
2.2
|
2.5
|
0.3
|
O
|
A:ASN72
|
2.4
|
10.1
|
1.0
|
O
|
A:HOH975
|
2.4
|
9.9
|
0.9
|
H1
|
A:HOH975
|
2.4
|
10.4
|
0.9
|
H1
|
A:HOH1215
|
2.6
|
2.2
|
0.3
|
HG3
|
A:GLU77
|
3.0
|
38.2
|
0.7
|
CD
|
A:GLU80
|
3.1
|
12.4
|
1.0
|
CD
|
A:GLU77
|
3.1
|
15.7
|
0.7
|
H
|
A:GLU77
|
3.1
|
15.3
|
1.0
|
HA
|
A:LEU76
|
3.2
|
17.1
|
1.0
|
CD
|
A:GLU70
|
3.2
|
10.1
|
1.0
|
HG2
|
A:GLU80
|
3.3
|
10.1
|
1.0
|
C
|
A:VAL75
|
3.4
|
11.2
|
1.0
|
C
|
A:ASN72
|
3.4
|
9.3
|
1.0
|
H1
|
A:HOH1004
|
3.5
|
11.3
|
0.7
|
HG3
|
A:GLU80
|
3.5
|
10.1
|
1.0
|
CG
|
A:GLU77
|
3.5
|
37.1
|
0.7
|
H
|
A:HIS71
|
3.5
|
8.8
|
1.0
|
CG
|
A:GLU80
|
3.5
|
10.2
|
1.0
|
HG3
|
A:GLU77
|
3.6
|
6.2
|
0.3
|
HA
|
A:ILE73
|
3.7
|
8.3
|
1.0
|
OE2
|
A:GLU70
|
3.7
|
9.6
|
1.0
|
HB2
|
A:GLU77
|
3.7
|
23.3
|
0.3
|
HA
|
A:GLU70
|
3.7
|
8.0
|
1.0
|
H
|
A:VAL75
|
3.7
|
9.3
|
1.0
|
HB3
|
A:ASN72
|
3.8
|
8.7
|
1.0
|
H
|
A:ASN72
|
3.8
|
9.1
|
1.0
|
H2
|
A:HOH1004
|
3.8
|
11.0
|
0.7
|
N
|
A:GLU77
|
4.0
|
15.5
|
1.0
|
CA
|
A:LEU76
|
4.0
|
17.5
|
1.0
|
H1
|
A:HOH1039
|
4.0
|
17.6
|
0.9
|
O
|
A:HOH1004
|
4.1
|
12.5
|
0.7
|
N
|
A:LEU76
|
4.1
|
12.9
|
1.0
|
OE2
|
A:GLU77
|
4.2
|
16.8
|
0.7
|
OE1
|
A:GLU80
|
4.2
|
14.8
|
1.0
|
HB2
|
A:GLU77
|
4.2
|
25.6
|
0.7
|
OE1
|
A:GLU77
|
4.2
|
5.2
|
0.3
|
N
|
A:ASN72
|
4.2
|
9.2
|
1.0
|
HD12
|
A:LEU76
|
4.2
|
19.2
|
1.0
|
CA
|
A:ASN72
|
4.3
|
8.3
|
1.0
|
N
|
A:ILE73
|
4.3
|
8.8
|
1.0
|
N
|
A:VAL75
|
4.4
|
9.4
|
1.0
|
CB
|
A:GLU77
|
4.4
|
25.6
|
0.7
|
HG2
|
A:GLU77
|
4.4
|
38.2
|
0.7
|
CG
|
A:GLU77
|
4.4
|
7.1
|
0.3
|
HB3
|
A:GLU70
|
4.4
|
8.4
|
1.0
|
H2
|
A:HOH1039
|
4.4
|
16.9
|
0.9
|
CA
|
A:ILE73
|
4.4
|
8.8
|
1.0
|
CB
|
A:GLU77
|
4.4
|
22.3
|
0.3
|
C
|
A:LEU76
|
4.5
|
17.4
|
1.0
|
CA
|
A:VAL75
|
4.5
|
11.3
|
1.0
|
N
|
A:HIS71
|
4.5
|
8.1
|
1.0
|
CB
|
A:ASN72
|
4.5
|
9.0
|
1.0
|
CG
|
A:GLU70
|
4.5
|
9.2
|
1.0
|
CA
|
A:GLU70
|
4.6
|
8.0
|
1.0
|
HB
|
A:VAL75
|
4.6
|
10.1
|
1.0
|
O
|
A:HOH1039
|
4.7
|
17.7
|
0.9
|
CB
|
A:GLU70
|
4.7
|
8.1
|
1.0
|
C
|
A:ILE73
|
4.8
|
11.4
|
1.0
|
CD
|
A:GLU77
|
4.8
|
9.4
|
0.3
|
CA
|
A:GLU77
|
4.8
|
19.4
|
1.0
|
HG2
|
A:GLU70
|
4.9
|
9.0
|
1.0
|
|
Magnesium binding site 2 out
of 3 in 2a31
Go back to
Magnesium Binding Sites List in 2a31
Magnesium binding site 2 out
of 3 in the Trypsin in Complex with Borate
Mono view
Stereo pair view
|
A full contact list of Magnesium with other atoms in the Mg binding
site number 2 of Trypsin in Complex with Borate within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Mg504
b:25.7
occ:0.77
|
H2
|
A:HOH1159
|
1.9
|
24.0
|
0.7
|
H1
|
A:HOH1160
|
2.0
|
30.9
|
0.8
|
O
|
A:HOH1158
|
2.0
|
23.9
|
0.8
|
H1
|
A:HOH1161
|
2.0
|
24.1
|
0.7
|
H1
|
A:HOH1115
|
2.0
|
28.5
|
1.0
|
O
|
A:HOH1161
|
2.1
|
24.2
|
0.7
|
O
|
A:HOH1162
|
2.2
|
26.5
|
0.5
|
O
|
A:HOH1115
|
2.3
|
27.9
|
1.0
|
O
|
A:HOH1159
|
2.3
|
24.0
|
0.7
|
O
|
A:HOH1160
|
2.3
|
30.5
|
0.8
|
H2
|
A:HOH1158
|
2.5
|
24.3
|
0.8
|
H2
|
A:HOH1160
|
2.8
|
30.7
|
0.8
|
H1
|
A:HOH1158
|
2.8
|
24.3
|
0.8
|
H2
|
A:HOH1162
|
2.8
|
26.5
|
0.5
|
H1
|
A:HOH1162
|
2.9
|
26.5
|
0.5
|
H1
|
A:HOH1159
|
2.9
|
24.1
|
0.7
|
H2
|
A:HOH1161
|
3.1
|
24.2
|
0.7
|
H2
|
A:HOH1115
|
3.2
|
28.6
|
1.0
|
O
|
A:TYR151
|
4.0
|
17.8
|
1.0
|
OD2
|
A:ASP74
|
4.0
|
15.1
|
1.0
|
H1
|
A:HOH920
|
4.1
|
26.4
|
0.8
|
H1
|
A:HOH1147
|
4.2
|
14.5
|
0.5
|
HB2
|
A:TYR151
|
4.2
|
12.7
|
1.0
|
H2
|
A:HOH1220
|
4.2
|
16.1
|
0.6
|
OD1
|
A:ASP74
|
4.3
|
16.8
|
1.0
|
O
|
A:HOH1147
|
4.4
|
13.9
|
0.5
|
O
|
A:HOH1220
|
4.4
|
16.2
|
0.6
|
CG
|
A:ASP74
|
4.5
|
15.3
|
1.0
|
HB3
|
A:TYR151
|
4.7
|
12.4
|
1.0
|
H2
|
A:HOH1096
|
4.7
|
22.4
|
0.8
|
H1
|
A:HOH1220
|
4.8
|
16.2
|
0.6
|
HG
|
A:SER153
|
4.8
|
14.8
|
1.0
|
CB
|
A:TYR151
|
4.9
|
12.1
|
1.0
|
O
|
A:HOH920
|
5.0
|
26.7
|
0.8
|
|
Magnesium binding site 3 out
of 3 in 2a31
Go back to
Magnesium Binding Sites List in 2a31
Magnesium binding site 3 out
of 3 in the Trypsin in Complex with Borate
Mono view
Stereo pair view
|
A full contact list of Magnesium with other atoms in the Mg binding
site number 3 of Trypsin in Complex with Borate within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:Mg505
b:22.2
occ:0.50
|
H1
|
A:HOH1138
|
2.0
|
15.4
|
0.5
|
H1
|
A:HOH1168
|
2.0
|
21.5
|
0.6
|
O
|
A:HOH1233
|
2.0
|
17.3
|
0.4
|
H2
|
A:HOH1233
|
2.1
|
17.4
|
0.4
|
O
|
A:HOH1170
|
2.1
|
16.2
|
0.3
|
O
|
A:HOH1138
|
2.1
|
15.8
|
0.5
|
H1
|
A:HOH1169
|
2.2
|
20.0
|
0.6
|
O
|
A:HOH1168
|
2.2
|
21.3
|
0.6
|
O
|
A:HOH1167
|
2.2
|
18.5
|
0.6
|
H2
|
A:HOH1168
|
2.4
|
21.2
|
0.6
|
H1
|
A:HOH1170
|
2.6
|
17.0
|
0.3
|
O
|
A:HOH1169
|
2.6
|
20.1
|
0.6
|
H2
|
A:HOH1138
|
2.7
|
15.8
|
0.5
|
H1
|
A:HOH1167
|
2.7
|
18.3
|
0.6
|
H2
|
A:HOH1170
|
2.8
|
17.0
|
0.3
|
H1
|
A:HOH1233
|
2.9
|
17.5
|
0.4
|
H2
|
A:HOH1167
|
2.9
|
18.5
|
0.6
|
H2
|
A:HOH1169
|
3.1
|
20.0
|
0.6
|
O
|
A:HOH997
|
3.8
|
23.1
|
0.8
|
H1
|
A:HOH997
|
3.9
|
23.5
|
0.8
|
H2
|
A:HOH997
|
4.6
|
23.5
|
0.8
|
|
Reference:
T.R.Transue,
S.A.Gabel,
R.E.London.
uc(Nmr) and Crystallographic Characterization of Adventitious Borate Binding By Trypsin. Bioconjug.Chem. V. 17 300 2006.
ISSN: ISSN 1043-1802
PubMed: 16536459
DOI: 10.1021/BC0502210
Page generated: Tue Aug 13 20:20:59 2024
|