Potassium in PDB 8ctt: Crystal Structure of A K+ Selective Nak Mutant (NAK2K) at 100K
Protein crystallography data
The structure of Crystal Structure of A K+ Selective Nak Mutant (NAK2K) at 100K, PDB code: 8ctt
was solved by
B.Lee,
K.I.White,
M.A.Socolich,
M.A.Klureza,
R.Henning,
V.Srajer,
R.Ranganathan,
D.Hekstra,
with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:
Resolution Low / High (Å)
|
33.88 /
2.05
|
Space group
|
I 4
|
Cell size a, b, c (Å), α, β, γ (°)
|
67.765,
67.765,
88.385,
90,
90,
90
|
R / Rfree (%)
|
16.2 /
18.9
|
Potassium Binding Sites:
The binding sites of Potassium atom in the Crystal Structure of A K+ Selective Nak Mutant (NAK2K) at 100K
(pdb code 8ctt). This binding sites where shown within
5.0 Angstroms radius around Potassium atom.
In total 9 binding sites of Potassium where determined in the
Crystal Structure of A K+ Selective Nak Mutant (NAK2K) at 100K, PDB code: 8ctt:
Jump to Potassium binding site number:
1;
2;
3;
4;
5;
6;
7;
8;
9;
Potassium binding site 1 out
of 9 in 8ctt
Go back to
Potassium Binding Sites List in 8ctt
Potassium binding site 1 out
of 9 in the Crystal Structure of A K+ Selective Nak Mutant (NAK2K) at 100K
Mono view
Stereo pair view
|
A full contact list of Potassium with other atoms in the K binding
site number 1 of Crystal Structure of A K+ Selective Nak Mutant (NAK2K) at 100K within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:K205
b:10.4
occ:0.25
|
O
|
A:TYR66
|
2.8
|
12.2
|
1.0
|
O
|
A:GLY65
|
3.0
|
10.0
|
1.0
|
C
|
A:TYR66
|
3.4
|
11.4
|
1.0
|
K
|
A:K206
|
3.4
|
9.6
|
0.2
|
HA
|
A:TYR66
|
3.6
|
11.9
|
1.0
|
HA3
|
A:GLY67
|
4.0
|
12.8
|
1.0
|
CA
|
A:TYR66
|
4.0
|
10.7
|
1.0
|
C
|
A:GLY65
|
4.1
|
9.7
|
1.0
|
N
|
A:GLY67
|
4.3
|
11.1
|
1.0
|
N
|
A:TYR66
|
4.6
|
9.9
|
1.0
|
O
|
A:HOH316
|
4.6
|
22.8
|
1.0
|
CA
|
A:GLY67
|
4.6
|
11.5
|
1.0
|
H
|
A:GLY67
|
4.9
|
10.1
|
1.0
|
|
Potassium binding site 2 out
of 9 in 8ctt
Go back to
Potassium Binding Sites List in 8ctt
Potassium binding site 2 out
of 9 in the Crystal Structure of A K+ Selective Nak Mutant (NAK2K) at 100K
Mono view
Stereo pair view
|
A full contact list of Potassium with other atoms in the K binding
site number 2 of Crystal Structure of A K+ Selective Nak Mutant (NAK2K) at 100K within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:K206
b:9.6
occ:0.25
|
O
|
A:VAL64
|
2.8
|
9.2
|
1.0
|
O
|
A:GLY65
|
2.8
|
10.0
|
1.0
|
K
|
A:K207
|
3.2
|
10.9
|
0.2
|
K
|
A:K205
|
3.4
|
10.4
|
0.2
|
HA3
|
A:GLY65
|
3.5
|
10.7
|
1.0
|
C
|
A:GLY65
|
3.5
|
9.7
|
1.0
|
C
|
A:VAL64
|
3.9
|
9.0
|
1.0
|
CA
|
A:GLY65
|
3.9
|
9.3
|
1.0
|
HA
|
A:TYR66
|
4.3
|
11.9
|
1.0
|
N
|
A:GLY65
|
4.4
|
9.1
|
1.0
|
N
|
A:TYR66
|
4.5
|
9.9
|
1.0
|
HA2
|
A:GLY65
|
4.8
|
10.7
|
1.0
|
CA
|
A:TYR66
|
4.8
|
10.7
|
1.0
|
|
Potassium binding site 3 out
of 9 in 8ctt
Go back to
Potassium Binding Sites List in 8ctt
Potassium binding site 3 out
of 9 in the Crystal Structure of A K+ Selective Nak Mutant (NAK2K) at 100K
Mono view
Stereo pair view
|
A full contact list of Potassium with other atoms in the K binding
site number 3 of Crystal Structure of A K+ Selective Nak Mutant (NAK2K) at 100K within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:K207
b:10.9
occ:0.25
|
O
|
A:THR63
|
2.7
|
9.8
|
1.0
|
O
|
A:VAL64
|
2.9
|
9.2
|
1.0
|
K
|
A:K206
|
3.2
|
9.6
|
0.2
|
K
|
A:K208
|
3.4
|
11.7
|
0.2
|
C
|
A:VAL64
|
3.6
|
9.0
|
1.0
|
HA
|
A:VAL64
|
3.6
|
10.7
|
1.0
|
C
|
A:THR63
|
3.8
|
9.7
|
1.0
|
CA
|
A:VAL64
|
4.0
|
9.2
|
1.0
|
HA3
|
A:GLY65
|
4.3
|
10.7
|
1.0
|
N
|
A:VAL64
|
4.4
|
9.6
|
1.0
|
HB
|
A:THR63
|
4.5
|
13.5
|
1.0
|
N
|
A:GLY65
|
4.6
|
9.1
|
1.0
|
CA
|
A:GLY65
|
4.9
|
9.3
|
1.0
|
CA
|
A:THR63
|
5.0
|
10.2
|
1.0
|
|
Potassium binding site 4 out
of 9 in 8ctt
Go back to
Potassium Binding Sites List in 8ctt
Potassium binding site 4 out
of 9 in the Crystal Structure of A K+ Selective Nak Mutant (NAK2K) at 100K
Mono view
Stereo pair view
|
A full contact list of Potassium with other atoms in the K binding
site number 4 of Crystal Structure of A K+ Selective Nak Mutant (NAK2K) at 100K within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:K208
b:11.7
occ:0.25
|
OG1
|
A:THR63
|
2.8
|
11.6
|
1.0
|
O
|
A:THR63
|
3.0
|
9.8
|
1.0
|
HB
|
A:THR63
|
3.1
|
13.5
|
1.0
|
K
|
A:K207
|
3.4
|
10.9
|
0.2
|
CB
|
A:THR63
|
3.5
|
10.9
|
1.0
|
C
|
A:THR63
|
3.9
|
9.7
|
1.0
|
CA
|
A:THR63
|
4.3
|
10.2
|
1.0
|
HG23
|
A:THR63
|
4.6
|
16.2
|
1.0
|
HA
|
A:VAL64
|
4.6
|
10.7
|
1.0
|
CG2
|
A:THR63
|
4.7
|
11.6
|
1.0
|
HA
|
A:THR63
|
4.9
|
10.3
|
1.0
|
N
|
A:VAL64
|
4.9
|
9.6
|
1.0
|
|
Potassium binding site 5 out
of 9 in 8ctt
Go back to
Potassium Binding Sites List in 8ctt
Potassium binding site 5 out
of 9 in the Crystal Structure of A K+ Selective Nak Mutant (NAK2K) at 100K
Mono view
Stereo pair view
|
A full contact list of Potassium with other atoms in the K binding
site number 5 of Crystal Structure of A K+ Selective Nak Mutant (NAK2K) at 100K within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:K209
b:75.2
occ:1.00
|
O
|
A:HOH316
|
2.6
|
22.8
|
1.0
|
O
|
A:HOH327
|
2.7
|
34.0
|
1.0
|
O
|
A:HOH315
|
2.7
|
33.5
|
1.0
|
O
|
A:HOH328
|
2.8
|
33.9
|
0.2
|
O
|
A:HOH322
|
3.1
|
33.9
|
1.0
|
O
|
A:GLY67
|
3.2
|
12.8
|
1.0
|
HA
|
A:ASP68
|
3.7
|
17.8
|
0.5
|
HA
|
A:ASP68
|
3.7
|
17.8
|
0.5
|
C
|
A:GLY67
|
4.0
|
12.4
|
1.0
|
O
|
A:HOH306
|
4.0
|
33.9
|
1.0
|
CA
|
A:ASP68
|
4.5
|
13.4
|
0.5
|
CA
|
A:ASP68
|
4.5
|
13.4
|
0.5
|
HA3
|
A:GLY67
|
4.5
|
12.8
|
1.0
|
N
|
A:ASP68
|
4.5
|
12.5
|
0.5
|
N
|
A:ASP68
|
4.5
|
12.5
|
0.5
|
O
|
A:HOH324
|
4.8
|
33.9
|
1.0
|
O
|
A:HOH329
|
4.9
|
34.0
|
1.0
|
CA
|
A:GLY67
|
4.9
|
11.5
|
1.0
|
|
Potassium binding site 6 out
of 9 in 8ctt
Go back to
Potassium Binding Sites List in 8ctt
Potassium binding site 6 out
of 9 in the Crystal Structure of A K+ Selective Nak Mutant (NAK2K) at 100K
Mono view
Stereo pair view
|
A full contact list of Potassium with other atoms in the K binding
site number 6 of Crystal Structure of A K+ Selective Nak Mutant (NAK2K) at 100K within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:K208
b:18.6
occ:0.23
|
O
|
B:TYR66
|
2.8
|
18.9
|
1.0
|
O
|
B:GLY65
|
2.9
|
16.5
|
1.0
|
K
|
B:K209
|
3.3
|
15.3
|
0.2
|
C
|
B:TYR66
|
3.4
|
18.0
|
1.0
|
HA
|
B:TYR66
|
3.6
|
25.4
|
1.0
|
CA
|
B:TYR66
|
4.0
|
17.4
|
1.0
|
C
|
B:GLY65
|
4.0
|
16.5
|
1.0
|
HA3
|
B:GLY67
|
4.0
|
26.5
|
1.0
|
N
|
B:GLY67
|
4.3
|
18.5
|
1.0
|
N
|
B:TYR66
|
4.5
|
16.7
|
1.0
|
O
|
B:HOH315
|
4.6
|
33.5
|
1.0
|
CA
|
B:GLY67
|
4.7
|
20.1
|
1.0
|
H
|
B:GLY67
|
4.9
|
24.3
|
1.0
|
|
Potassium binding site 7 out
of 9 in 8ctt
Go back to
Potassium Binding Sites List in 8ctt
Potassium binding site 7 out
of 9 in the Crystal Structure of A K+ Selective Nak Mutant (NAK2K) at 100K
Mono view
Stereo pair view
|
A full contact list of Potassium with other atoms in the K binding
site number 7 of Crystal Structure of A K+ Selective Nak Mutant (NAK2K) at 100K within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:K209
b:15.3
occ:0.25
|
O
|
B:GLY65
|
2.7
|
16.5
|
1.0
|
O
|
B:VAL64
|
2.8
|
14.7
|
1.0
|
K
|
B:K210
|
3.2
|
13.7
|
0.2
|
K
|
B:K208
|
3.3
|
18.6
|
0.2
|
C
|
B:GLY65
|
3.4
|
16.5
|
1.0
|
HA3
|
B:GLY65
|
3.4
|
18.5
|
1.0
|
CA
|
B:GLY65
|
3.9
|
16.3
|
1.0
|
C
|
B:VAL64
|
3.9
|
15.0
|
1.0
|
HA
|
B:TYR66
|
4.3
|
25.4
|
1.0
|
N
|
B:TYR66
|
4.3
|
16.7
|
1.0
|
N
|
B:GLY65
|
4.3
|
15.7
|
1.0
|
CA
|
B:TYR66
|
4.7
|
17.4
|
1.0
|
HA2
|
B:GLY65
|
4.7
|
18.5
|
1.0
|
H
|
B:TYR66
|
5.0
|
17.0
|
1.0
|
|
Potassium binding site 8 out
of 9 in 8ctt
Go back to
Potassium Binding Sites List in 8ctt
Potassium binding site 8 out
of 9 in the Crystal Structure of A K+ Selective Nak Mutant (NAK2K) at 100K
Mono view
Stereo pair view
|
A full contact list of Potassium with other atoms in the K binding
site number 8 of Crystal Structure of A K+ Selective Nak Mutant (NAK2K) at 100K within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:K210
b:13.7
occ:0.25
|
O
|
B:THR63
|
2.6
|
14.2
|
1.0
|
O
|
B:VAL64
|
2.8
|
14.7
|
1.0
|
K
|
B:K209
|
3.2
|
15.3
|
0.2
|
K
|
B:K211
|
3.3
|
14.2
|
0.2
|
C
|
B:VAL64
|
3.5
|
15.0
|
1.0
|
HA
|
B:VAL64
|
3.6
|
14.4
|
1.0
|
C
|
B:THR63
|
3.8
|
14.5
|
1.0
|
CA
|
B:VAL64
|
4.0
|
14.8
|
1.0
|
HA3
|
B:GLY65
|
4.2
|
18.5
|
1.0
|
N
|
B:VAL64
|
4.4
|
14.8
|
1.0
|
HB
|
B:THR63
|
4.4
|
17.9
|
1.0
|
N
|
B:GLY65
|
4.5
|
15.7
|
1.0
|
CA
|
B:GLY65
|
4.8
|
16.3
|
1.0
|
CA
|
B:THR63
|
4.9
|
14.4
|
1.0
|
|
Potassium binding site 9 out
of 9 in 8ctt
Go back to
Potassium Binding Sites List in 8ctt
Potassium binding site 9 out
of 9 in the Crystal Structure of A K+ Selective Nak Mutant (NAK2K) at 100K
Mono view
Stereo pair view
|
A full contact list of Potassium with other atoms in the K binding
site number 9 of Crystal Structure of A K+ Selective Nak Mutant (NAK2K) at 100K within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:K211
b:14.2
occ:0.25
|
O
|
B:THR63
|
2.9
|
14.2
|
1.0
|
OG1
|
B:THR63
|
2.9
|
12.6
|
1.0
|
HB
|
B:THR63
|
3.0
|
17.9
|
1.0
|
K
|
B:K210
|
3.3
|
13.7
|
0.2
|
CB
|
B:THR63
|
3.5
|
13.8
|
1.0
|
C
|
B:THR63
|
3.8
|
14.5
|
1.0
|
CA
|
B:THR63
|
4.3
|
14.4
|
1.0
|
HA
|
B:VAL64
|
4.6
|
14.4
|
1.0
|
HG21
|
B:THR63
|
4.6
|
18.8
|
1.0
|
CG2
|
B:THR63
|
4.7
|
13.2
|
1.0
|
HA
|
B:THR63
|
4.8
|
15.9
|
1.0
|
N
|
B:VAL64
|
4.8
|
14.8
|
1.0
|
|
Reference:
B.Lee,
K.I.White,
M.A.Socolich,
M.A.Klureza,
R.Henning,
V.Srajer,
R.Ranganathan,
D.Hekstra.
Direct Visualization of Electric Field-Stimulated Ion Conduction in A Potassium Channel To Be Published.
Page generated: Mon Aug 12 23:04:23 2024
|