Potassium in PDB 1gmk: Gramicidin/Kscn Complex
Protein crystallography data
The structure of Gramicidin/Kscn Complex, PDB code: 1gmk
was solved by
D.A.Doyle,
B.A.Wallace,
with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:
Resolution Low / High (Å)
|
10.00 /
2.50
|
Space group
|
P 21 21 21
|
Cell size a, b, c (Å), α, β, γ (°)
|
32.060,
51.800,
31.040,
90.00,
90.00,
90.00
|
R / Rfree (%)
|
19.2 /
n/a
|
Potassium Binding Sites:
The binding sites of Potassium atom in the Gramicidin/Kscn Complex
(pdb code 1gmk). This binding sites where shown within
5.0 Angstroms radius around Potassium atom.
In total 4 binding sites of Potassium where determined in the
Gramicidin/Kscn Complex, PDB code: 1gmk:
Jump to Potassium binding site number:
1;
2;
3;
4;
Potassium binding site 1 out
of 4 in 1gmk
Go back to
Potassium Binding Sites List in 1gmk
Potassium binding site 1 out
of 4 in the Gramicidin/Kscn Complex
Mono view
Stereo pair view
|
A full contact list of Potassium with other atoms in the K binding
site number 1 of Gramicidin/Kscn Complex within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:K17
b:21.4
occ:0.50
|
O1
|
B:FVA1
|
2.1
|
29.4
|
1.0
|
O
|
A:TRP13
|
2.9
|
4.6
|
1.0
|
CN
|
B:FVA1
|
3.2
|
4.3
|
1.0
|
CA
|
A:DLE14
|
3.3
|
39.3
|
1.0
|
CB
|
A:ETA16
|
3.6
|
12.8
|
1.0
|
N
|
A:ETA16
|
3.6
|
6.7
|
1.0
|
N
|
A:TRP15
|
3.6
|
7.7
|
1.0
|
O
|
A:MOH22
|
3.7
|
20.7
|
1.0
|
C
|
A:TRP13
|
3.7
|
36.1
|
1.0
|
N
|
B:FVA1
|
3.8
|
25.0
|
1.0
|
O
|
B:GLY2
|
3.8
|
37.2
|
1.0
|
N
|
A:DLE14
|
3.9
|
48.1
|
1.0
|
C
|
A:DLE14
|
4.0
|
39.1
|
1.0
|
CA
|
A:ETA16
|
4.0
|
18.8
|
1.0
|
C
|
A:MOH22
|
4.2
|
2.0
|
1.0
|
CB
|
A:DLE14
|
4.2
|
35.0
|
1.0
|
O
|
A:ETA16
|
4.6
|
18.5
|
1.0
|
C
|
A:TRP15
|
4.6
|
6.5
|
1.0
|
CA
|
B:FVA1
|
4.7
|
16.4
|
1.0
|
C
|
B:FVA1
|
4.7
|
40.7
|
1.0
|
CA
|
A:TRP15
|
4.8
|
20.4
|
1.0
|
C
|
B:GLY2
|
4.9
|
3.3
|
1.0
|
N
|
B:GLY2
|
4.9
|
18.1
|
1.0
|
CA
|
A:TRP13
|
5.0
|
29.1
|
1.0
|
|
Potassium binding site 2 out
of 4 in 1gmk
Go back to
Potassium Binding Sites List in 1gmk
Potassium binding site 2 out
of 4 in the Gramicidin/Kscn Complex
Mono view
Stereo pair view
|
A full contact list of Potassium with other atoms in the K binding
site number 2 of Gramicidin/Kscn Complex within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:K17
b:36.6
occ:1.00
|
O
|
B:DVA6
|
2.0
|
20.8
|
1.0
|
C
|
B:DVA6
|
3.1
|
42.2
|
1.0
|
O
|
B:DVA8
|
3.1
|
50.3
|
1.0
|
N
|
B:DVA8
|
3.2
|
16.5
|
1.0
|
C
|
B:VAL7
|
3.3
|
21.8
|
1.0
|
C
|
A:TRP9
|
3.4
|
2.0
|
1.0
|
C
|
B:DVA8
|
3.5
|
19.1
|
1.0
|
N
|
A:TRP9
|
3.6
|
32.7
|
1.0
|
O
|
A:TRP9
|
3.6
|
18.4
|
1.0
|
CA
|
A:TRP9
|
3.7
|
2.0
|
1.0
|
CA
|
B:DVA8
|
3.7
|
6.5
|
1.0
|
O
|
A:DLE10
|
3.7
|
28.3
|
1.0
|
O
|
B:VAL7
|
3.7
|
22.6
|
1.0
|
N
|
B:VAL7
|
3.7
|
2.0
|
1.0
|
CA
|
B:VAL7
|
3.8
|
2.0
|
1.0
|
N
|
A:DLE10
|
3.8
|
18.9
|
1.0
|
O
|
A:VAL7
|
4.0
|
7.3
|
1.0
|
C
|
A:DLE10
|
4.1
|
28.7
|
1.0
|
O
|
B:DLE10
|
4.1
|
24.6
|
1.0
|
CA
|
B:DVA6
|
4.2
|
12.1
|
1.0
|
C
|
A:DVA8
|
4.3
|
26.7
|
1.0
|
N
|
A:DLE12
|
4.3
|
31.2
|
1.0
|
N
|
B:TRP9
|
4.3
|
43.5
|
1.0
|
O
|
A:DLE12
|
4.4
|
36.2
|
1.0
|
CA
|
A:DLE10
|
4.4
|
15.9
|
1.0
|
S
|
A:SCN18
|
4.7
|
25.5
|
1.0
|
N
|
B:DVA6
|
4.7
|
37.4
|
1.0
|
O
|
A:DVA8
|
4.8
|
28.5
|
1.0
|
N
|
B:DLE10
|
4.8
|
8.9
|
1.0
|
C
|
A:VAL7
|
4.9
|
45.6
|
1.0
|
C
|
A:DLE12
|
4.9
|
30.8
|
1.0
|
N
|
A:TRP11
|
4.9
|
40.3
|
1.0
|
O
|
B:ALA5
|
4.9
|
38.7
|
1.0
|
CA
|
A:DVA8
|
4.9
|
47.3
|
1.0
|
CA
|
B:TRP9
|
4.9
|
2.0
|
1.0
|
CA
|
A:DLE12
|
5.0
|
7.2
|
1.0
|
|
Potassium binding site 3 out
of 4 in 1gmk
Go back to
Potassium Binding Sites List in 1gmk
Potassium binding site 3 out
of 4 in the Gramicidin/Kscn Complex
Mono view
Stereo pair view
|
A full contact list of Potassium with other atoms in the K binding
site number 3 of Gramicidin/Kscn Complex within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
C:K17
b:28.5
occ:0.70
|
O1
|
D:FVA1
|
2.8
|
8.3
|
1.0
|
CB
|
C:ETA16
|
3.0
|
16.6
|
1.0
|
CN
|
D:FVA1
|
3.5
|
23.5
|
1.0
|
O
|
D:MOH21
|
3.8
|
13.9
|
1.0
|
O
|
C:ETA16
|
3.9
|
3.9
|
1.0
|
N
|
C:ETA16
|
3.9
|
11.3
|
1.0
|
CA
|
C:ETA16
|
4.0
|
18.1
|
1.0
|
N
|
D:FVA1
|
4.0
|
60.0
|
1.0
|
C
|
C:TRP15
|
4.4
|
30.1
|
1.0
|
N
|
C:TRP15
|
4.4
|
41.4
|
1.0
|
O
|
D:GLY2
|
4.6
|
27.0
|
1.0
|
O
|
C:TRP13
|
4.6
|
9.3
|
1.0
|
O
|
C:TRP15
|
4.7
|
25.3
|
1.0
|
CA
|
D:FVA1
|
5.0
|
47.8
|
1.0
|
|
Potassium binding site 4 out
of 4 in 1gmk
Go back to
Potassium Binding Sites List in 1gmk
Potassium binding site 4 out
of 4 in the Gramicidin/Kscn Complex
Mono view
Stereo pair view
|
A full contact list of Potassium with other atoms in the K binding
site number 4 of Gramicidin/Kscn Complex within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
D:K17
b:33.9
occ:1.00
|
O
|
D:DVA6
|
2.4
|
29.7
|
1.0
|
O
|
D:DVA8
|
2.8
|
26.6
|
1.0
|
C
|
D:DVA6
|
3.3
|
18.7
|
1.0
|
C
|
D:VAL7
|
3.3
|
34.3
|
1.0
|
O
|
C:TRP9
|
3.5
|
2.0
|
1.0
|
O
|
D:ALA5
|
3.5
|
16.3
|
1.0
|
O
|
D:VAL7
|
3.5
|
29.2
|
1.0
|
N
|
D:DVA8
|
3.6
|
16.0
|
1.0
|
C
|
C:TRP9
|
3.6
|
5.2
|
1.0
|
N
|
C:TRP11
|
3.7
|
43.4
|
1.0
|
C
|
D:DVA8
|
3.7
|
33.1
|
1.0
|
CA
|
D:VAL7
|
3.7
|
32.5
|
1.0
|
N
|
D:VAL7
|
3.8
|
18.9
|
1.0
|
O
|
C:VAL7
|
3.9
|
21.7
|
1.0
|
C
|
C:DLE10
|
4.0
|
7.8
|
1.0
|
N
|
C:DLE10
|
4.0
|
3.2
|
1.0
|
CA
|
C:TRP11
|
4.0
|
17.7
|
1.0
|
O
|
C:DLE12
|
4.1
|
41.9
|
1.0
|
N
|
C:DLE12
|
4.1
|
37.4
|
1.0
|
N
|
C:TRP9
|
4.1
|
14.3
|
1.0
|
CA
|
D:DVA8
|
4.1
|
26.3
|
1.0
|
CA
|
C:TRP9
|
4.2
|
12.1
|
1.0
|
C
|
D:ALA5
|
4.2
|
25.0
|
1.0
|
C
|
C:TRP11
|
4.2
|
32.6
|
1.0
|
CA
|
D:DVA6
|
4.3
|
2.0
|
1.0
|
CA
|
C:DLE10
|
4.3
|
2.9
|
1.0
|
O
|
D:DLE4
|
4.4
|
24.4
|
1.0
|
C
|
C:DLE12
|
4.5
|
21.0
|
1.0
|
O
|
C:DLE10
|
4.6
|
33.4
|
1.0
|
N
|
D:DVA6
|
4.6
|
2.0
|
1.0
|
C
|
C:DVA8
|
4.6
|
2.0
|
1.0
|
N
|
D:TRP9
|
4.8
|
34.6
|
1.0
|
C
|
D:DLE4
|
4.9
|
35.3
|
1.0
|
N
|
C:TRP13
|
4.9
|
36.1
|
1.0
|
CA
|
C:DLE12
|
4.9
|
27.7
|
1.0
|
O
|
C:TRP11
|
5.0
|
30.3
|
1.0
|
O
|
C:DVA8
|
5.0
|
19.8
|
1.0
|
C
|
C:VAL7
|
5.0
|
35.6
|
1.0
|
|
Reference:
D.A.Doyle,
B.A.Wallace.
Crystal Structure of the Gramicidin/Potassium Thiocyanate Complex. J.Mol.Biol. V. 266 963 1997.
ISSN: ISSN 0022-2836
PubMed: 9086274
DOI: 10.1006/JMBI.1996.0837
Page generated: Mon Aug 12 04:31:24 2024
|