Potassium in PDB 3i7s: Dihydrodipicolinate Synthase Mutant - K161A - with the Substrate Pyruvate Bound in the Active Site.
Enzymatic activity of Dihydrodipicolinate Synthase Mutant - K161A - with the Substrate Pyruvate Bound in the Active Site.
All present enzymatic activity of Dihydrodipicolinate Synthase Mutant - K161A - with the Substrate Pyruvate Bound in the Active Site.:
4.2.1.52;
Protein crystallography data
The structure of Dihydrodipicolinate Synthase Mutant - K161A - with the Substrate Pyruvate Bound in the Active Site., PDB code: 3i7s
was solved by
R.C.J.Dobson,
G.B.Jameson,
J.A.Gerrard,
T.P.Soares Da Costa,
with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:
Resolution Low / High (Å)
|
32.17 /
2.30
|
Space group
|
P 31 2 1
|
Cell size a, b, c (Å), α, β, γ (°)
|
120.881,
120.881,
110.500,
90.00,
90.00,
120.00
|
R / Rfree (%)
|
19.6 /
23.6
|
Potassium Binding Sites:
The binding sites of Potassium atom in the Dihydrodipicolinate Synthase Mutant - K161A - with the Substrate Pyruvate Bound in the Active Site.
(pdb code 3i7s). This binding sites where shown within
5.0 Angstroms radius around Potassium atom.
In total 6 binding sites of Potassium where determined in the
Dihydrodipicolinate Synthase Mutant - K161A - with the Substrate Pyruvate Bound in the Active Site., PDB code: 3i7s:
Jump to Potassium binding site number:
1;
2;
3;
4;
5;
6;
Potassium binding site 1 out
of 6 in 3i7s
Go back to
Potassium Binding Sites List in 3i7s
Potassium binding site 1 out
of 6 in the Dihydrodipicolinate Synthase Mutant - K161A - with the Substrate Pyruvate Bound in the Active Site.
Mono view
Stereo pair view
|
A full contact list of Potassium with other atoms in the K binding
site number 1 of Dihydrodipicolinate Synthase Mutant - K161A - with the Substrate Pyruvate Bound in the Active Site. within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:K295
b:39.5
occ:1.00
|
O
|
A:ILE157
|
2.7
|
28.3
|
1.0
|
O
|
A:VAL154
|
2.8
|
33.0
|
1.0
|
O
|
A:ALA152
|
2.8
|
29.3
|
1.0
|
O
|
A:LYS155
|
3.2
|
32.9
|
1.0
|
C
|
A:ILE157
|
3.8
|
28.3
|
1.0
|
C
|
A:ALA152
|
3.9
|
29.7
|
1.0
|
C
|
A:VAL154
|
3.9
|
32.9
|
1.0
|
C
|
A:LYS155
|
3.9
|
32.7
|
1.0
|
CA
|
A:LYS155
|
4.3
|
33.1
|
1.0
|
N
|
A:ILE157
|
4.3
|
29.9
|
1.0
|
N
|
A:LYS155
|
4.5
|
33.0
|
1.0
|
CA
|
A:ALA152
|
4.5
|
29.4
|
1.0
|
CA
|
A:ILE157
|
4.6
|
29.1
|
1.0
|
N
|
A:VAL154
|
4.6
|
32.4
|
1.0
|
C
|
A:LYS153
|
4.7
|
32.1
|
1.0
|
CA
|
A:ILE158
|
4.7
|
27.9
|
1.0
|
N
|
A:ASN156
|
4.7
|
32.1
|
1.0
|
N
|
A:ILE158
|
4.8
|
28.3
|
1.0
|
CA
|
A:LYS153
|
4.8
|
31.9
|
1.0
|
N
|
A:LYS153
|
4.8
|
30.3
|
1.0
|
CG2
|
A:ILE158
|
4.8
|
28.5
|
1.0
|
CA
|
A:VAL154
|
4.9
|
32.5
|
1.0
|
CD1
|
A:PHE181
|
5.0
|
29.3
|
1.0
|
|
Potassium binding site 2 out
of 6 in 3i7s
Go back to
Potassium Binding Sites List in 3i7s
Potassium binding site 2 out
of 6 in the Dihydrodipicolinate Synthase Mutant - K161A - with the Substrate Pyruvate Bound in the Active Site.
Mono view
Stereo pair view
|
A full contact list of Potassium with other atoms in the K binding
site number 2 of Dihydrodipicolinate Synthase Mutant - K161A - with the Substrate Pyruvate Bound in the Active Site. within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:K296
b:49.2
occ:1.00
|
O
|
A:HOH360
|
2.5
|
29.7
|
1.0
|
O
|
A:LEU51
|
2.7
|
25.5
|
1.0
|
O
|
A:HOH361
|
2.8
|
39.0
|
1.0
|
O3
|
A:GOL297
|
2.9
|
30.0
|
0.4
|
O
|
A:SER48
|
2.9
|
24.9
|
1.0
|
O3
|
A:GOL297
|
3.0
|
16.6
|
0.6
|
O
|
A:ALA49
|
3.0
|
24.8
|
1.0
|
C3
|
A:GOL297
|
3.4
|
28.1
|
0.4
|
C
|
A:ALA49
|
3.5
|
25.2
|
1.0
|
C3
|
A:GOL297
|
3.5
|
20.0
|
0.6
|
C
|
A:LEU51
|
3.8
|
26.0
|
1.0
|
CA
|
A:ALA49
|
3.9
|
25.3
|
1.0
|
C
|
A:SER48
|
4.0
|
25.0
|
1.0
|
N
|
A:LEU51
|
4.2
|
25.6
|
1.0
|
N
|
A:THR50
|
4.3
|
25.4
|
1.0
|
O3
|
A:GOL293
|
4.3
|
36.8
|
1.0
|
N
|
A:ALA49
|
4.5
|
24.8
|
1.0
|
C2
|
A:GOL297
|
4.5
|
16.3
|
0.6
|
O2
|
A:GOL293
|
4.6
|
35.1
|
1.0
|
O2
|
A:GOL297
|
4.6
|
17.4
|
0.6
|
CA
|
A:LEU51
|
4.6
|
26.0
|
1.0
|
N
|
A:ASN52
|
4.7
|
26.2
|
1.0
|
CA
|
A:ASN52
|
4.7
|
25.9
|
1.0
|
C
|
A:THR50
|
4.8
|
25.5
|
1.0
|
CA
|
A:THR50
|
4.8
|
25.8
|
1.0
|
C2
|
A:GOL297
|
4.9
|
26.8
|
0.4
|
|
Potassium binding site 3 out
of 6 in 3i7s
Go back to
Potassium Binding Sites List in 3i7s
Potassium binding site 3 out
of 6 in the Dihydrodipicolinate Synthase Mutant - K161A - with the Substrate Pyruvate Bound in the Active Site.
Mono view
Stereo pair view
|
A full contact list of Potassium with other atoms in the K binding
site number 3 of Dihydrodipicolinate Synthase Mutant - K161A - with the Substrate Pyruvate Bound in the Active Site. within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:K295
b:66.7
occ:1.00
|
NE2
|
B:HIS125
|
3.3
|
28.5
|
1.0
|
O
|
B:HOH395
|
4.1
|
33.3
|
1.0
|
CE1
|
B:HIS125
|
4.1
|
27.7
|
1.0
|
CD2
|
B:HIS125
|
4.3
|
27.5
|
1.0
|
CB
|
B:GLU124
|
4.4
|
28.0
|
1.0
|
CG
|
B:GLU124
|
4.5
|
35.2
|
1.0
|
CA
|
B:ALA121
|
4.6
|
22.9
|
1.0
|
CB
|
B:ALA121
|
4.7
|
22.6
|
1.0
|
O
|
B:HOH392
|
4.9
|
42.6
|
1.0
|
|
Potassium binding site 4 out
of 6 in 3i7s
Go back to
Potassium Binding Sites List in 3i7s
Potassium binding site 4 out
of 6 in the Dihydrodipicolinate Synthase Mutant - K161A - with the Substrate Pyruvate Bound in the Active Site.
Mono view
Stereo pair view
|
A full contact list of Potassium with other atoms in the K binding
site number 4 of Dihydrodipicolinate Synthase Mutant - K161A - with the Substrate Pyruvate Bound in the Active Site. within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:K296
b:55.5
occ:1.00
|
O
|
B:LEU51
|
2.8
|
29.9
|
1.0
|
O
|
B:HOH398
|
3.0
|
44.5
|
1.0
|
O
|
B:SER48
|
3.1
|
24.6
|
1.0
|
O
|
A:HOH301
|
3.1
|
22.6
|
1.0
|
O
|
B:ALA49
|
3.3
|
26.9
|
1.0
|
C
|
B:ALA49
|
3.8
|
26.7
|
1.0
|
C
|
B:LEU51
|
3.9
|
30.8
|
1.0
|
C
|
B:SER48
|
4.2
|
25.0
|
1.0
|
CA
|
B:ALA49
|
4.2
|
26.4
|
1.0
|
O1
|
A:GOL297
|
4.3
|
21.4
|
0.6
|
N
|
B:LEU51
|
4.4
|
28.9
|
1.0
|
O2
|
B:GOL293
|
4.5
|
33.6
|
1.0
|
CA
|
B:ASN52
|
4.6
|
33.8
|
1.0
|
N
|
B:THR50
|
4.6
|
27.0
|
1.0
|
C1
|
A:GOL297
|
4.6
|
28.5
|
0.4
|
N
|
B:ASN52
|
4.7
|
32.1
|
1.0
|
N
|
B:ALA49
|
4.7
|
25.7
|
1.0
|
CD2
|
B:HIS53
|
4.7
|
39.1
|
1.0
|
C1
|
A:GOL297
|
4.8
|
20.3
|
0.6
|
O3
|
B:GOL293
|
4.8
|
31.4
|
1.0
|
CA
|
B:LEU51
|
4.9
|
30.1
|
1.0
|
|
Potassium binding site 5 out
of 6 in 3i7s
Go back to
Potassium Binding Sites List in 3i7s
Potassium binding site 5 out
of 6 in the Dihydrodipicolinate Synthase Mutant - K161A - with the Substrate Pyruvate Bound in the Active Site.
Mono view
Stereo pair view
|
A full contact list of Potassium with other atoms in the K binding
site number 5 of Dihydrodipicolinate Synthase Mutant - K161A - with the Substrate Pyruvate Bound in the Active Site. within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:K298
b:69.9
occ:1.00
|
OE1
|
B:GLU84
|
3.2
|
23.9
|
0.5
|
ND1
|
B:HIS53
|
4.0
|
40.3
|
1.0
|
OG
|
B:SER87
|
4.1
|
30.7
|
1.0
|
CD
|
B:GLU84
|
4.1
|
25.8
|
0.5
|
OE2
|
B:GLU84
|
4.3
|
26.9
|
0.5
|
CE1
|
B:HIS53
|
4.7
|
40.2
|
1.0
|
CG
|
B:HIS53
|
5.0
|
38.1
|
1.0
|
|
Potassium binding site 6 out
of 6 in 3i7s
Go back to
Potassium Binding Sites List in 3i7s
Potassium binding site 6 out
of 6 in the Dihydrodipicolinate Synthase Mutant - K161A - with the Substrate Pyruvate Bound in the Active Site.
Mono view
Stereo pair view
|
A full contact list of Potassium with other atoms in the K binding
site number 6 of Dihydrodipicolinate Synthase Mutant - K161A - with the Substrate Pyruvate Bound in the Active Site. within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:K299
b:30.1
occ:1.00
|
O
|
B:ALA152
|
2.6
|
26.4
|
1.0
|
O
|
B:VAL154
|
2.6
|
29.2
|
1.0
|
O
|
B:ILE157
|
2.7
|
23.0
|
1.0
|
O
|
B:LYS155
|
3.4
|
28.2
|
1.0
|
C
|
B:VAL154
|
3.7
|
29.4
|
1.0
|
C
|
B:ALA152
|
3.7
|
27.4
|
1.0
|
C
|
B:ILE157
|
3.8
|
23.3
|
1.0
|
C
|
B:LYS155
|
3.8
|
28.7
|
1.0
|
CA
|
B:LYS155
|
4.1
|
30.2
|
1.0
|
N
|
B:ILE157
|
4.3
|
23.6
|
1.0
|
N
|
B:LYS155
|
4.3
|
29.9
|
1.0
|
CA
|
B:ALA152
|
4.4
|
27.1
|
1.0
|
N
|
B:VAL154
|
4.5
|
28.5
|
1.0
|
C
|
B:LYS153
|
4.6
|
29.1
|
1.0
|
CA
|
B:ILE157
|
4.6
|
23.0
|
1.0
|
N
|
B:ASN156
|
4.6
|
26.8
|
1.0
|
CA
|
B:ILE158
|
4.6
|
23.8
|
1.0
|
N
|
B:ILE158
|
4.7
|
23.4
|
1.0
|
N
|
B:LYS153
|
4.7
|
28.0
|
1.0
|
CA
|
B:VAL154
|
4.7
|
28.9
|
1.0
|
CD1
|
B:PHE181
|
4.8
|
24.9
|
1.0
|
CA
|
B:LYS153
|
4.9
|
29.2
|
1.0
|
O
|
B:LYS153
|
4.9
|
29.0
|
1.0
|
CB
|
B:ILE157
|
4.9
|
22.6
|
1.0
|
|
Reference:
T.P.Soares Da Costa,
A.C.Muscroft-Taylor,
R.C.Dobson,
S.R.Devenish,
G.B.Jameson,
J.A.Gerrard.
How Essential Is the 'Essential' Active-Site Lysine in Dihydrodipicolinate Synthase? Biochimie V. 92 837 2010.
ISSN: ISSN 0300-9084
PubMed: 20353808
DOI: 10.1016/J.BIOCHI.2010.03.004
Page generated: Mon Aug 12 08:30:32 2024
|