Potassium in PDB 8qz3: Crystal Structure of Human Two Pore Domain Potassium Ion Channel Trek- 2 (K2P10.1) in Complex with An Activatory Nanobody (NB67)
Protein crystallography data
The structure of Crystal Structure of Human Two Pore Domain Potassium Ion Channel Trek- 2 (K2P10.1) in Complex with An Activatory Nanobody (NB67), PDB code: 8qz3
was solved by
A.Baronina,
A.C.W.Pike,
K.E.J.Rodstrom,
J.Ang,
S.R.Bushell,
R.Chalk,
S.M.M.Mukhopadhyay,
E.Pardon,
C.H.Arrowsmith,
A.M.Edwards,
C.Bountra,
N.A.Burgess-Brown,
S.J.Tucker,
J.Steyaert,
E.P.Carpenter,
Structuralgenomics Consortium (Sgc),
with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:
Resolution Low / High (Å)
|
58.81 /
2.40
|
Space group
|
P 2 21 21
|
Cell size a, b, c (Å), α, β, γ (°)
|
51.264,
102.1,
215.817,
90,
90,
90
|
R / Rfree (%)
|
27.8 /
29.1
|
Potassium Binding Sites:
The binding sites of Potassium atom in the Crystal Structure of Human Two Pore Domain Potassium Ion Channel Trek- 2 (K2P10.1) in Complex with An Activatory Nanobody (NB67)
(pdb code 8qz3). This binding sites where shown within
5.0 Angstroms radius around Potassium atom.
In total 5 binding sites of Potassium where determined in the
Crystal Structure of Human Two Pore Domain Potassium Ion Channel Trek- 2 (K2P10.1) in Complex with An Activatory Nanobody (NB67), PDB code: 8qz3:
Jump to Potassium binding site number:
1;
2;
3;
4;
5;
Potassium binding site 1 out
of 5 in 8qz3
Go back to
Potassium Binding Sites List in 8qz3
Potassium binding site 1 out
of 5 in the Crystal Structure of Human Two Pore Domain Potassium Ion Channel Trek- 2 (K2P10.1) in Complex with An Activatory Nanobody (NB67)
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 Human Two Pore Domain Potassium Ion Channel Trek- 2 (K2P10.1) in Complex with An Activatory Nanobody (NB67) within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:K401
b:55.8
occ:1.00
|
O
|
A:TYR175
|
2.7
|
29.2
|
1.0
|
O
|
A:PHE284
|
3.2
|
32.6
|
1.0
|
O
|
A:VAL144
|
3.6
|
47.8
|
1.0
|
O
|
B:PHE284
|
3.6
|
31.9
|
1.0
|
K
|
A:K402
|
3.7
|
50.8
|
1.0
|
C
|
A:TYR175
|
3.9
|
29.3
|
1.0
|
C
|
A:GLY176
|
3.9
|
30.2
|
1.0
|
CA
|
A:GLY285
|
3.9
|
34.0
|
1.0
|
O
|
A:GLY176
|
4.0
|
30.4
|
1.0
|
CA
|
A:GLY176
|
4.0
|
30.0
|
1.0
|
O
|
B:TYR175
|
4.0
|
36.7
|
1.0
|
CB
|
A:VAL144
|
4.0
|
47.8
|
1.0
|
O
|
A:HOH521
|
4.1
|
59.8
|
1.0
|
C
|
A:PHE284
|
4.2
|
32.7
|
1.0
|
N
|
A:ASN177
|
4.3
|
30.3
|
1.0
|
N
|
A:GLY176
|
4.4
|
29.3
|
1.0
|
C
|
A:GLY285
|
4.4
|
34.9
|
1.0
|
CG1
|
A:VAL144
|
4.5
|
48.4
|
1.0
|
C
|
A:VAL144
|
4.5
|
47.7
|
1.0
|
N
|
A:GLY285
|
4.5
|
33.1
|
1.0
|
O
|
A:GLY285
|
4.6
|
35.2
|
1.0
|
CA
|
A:VAL144
|
4.7
|
47.0
|
1.0
|
N
|
A:VAL144
|
4.8
|
46.1
|
1.0
|
C
|
B:PHE284
|
4.9
|
31.9
|
1.0
|
CG2
|
A:VAL144
|
4.9
|
48.3
|
1.0
|
CA
|
B:GLY176
|
4.9
|
38.4
|
1.0
|
O
|
B:GLY176
|
5.0
|
39.5
|
1.0
|
|
Potassium binding site 2 out
of 5 in 8qz3
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Potassium Binding Sites List in 8qz3
Potassium binding site 2 out
of 5 in the Crystal Structure of Human Two Pore Domain Potassium Ion Channel Trek- 2 (K2P10.1) in Complex with An Activatory Nanobody (NB67)
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 Human Two Pore Domain Potassium Ion Channel Trek- 2 (K2P10.1) in Complex with An Activatory Nanobody (NB67) within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:K402
b:50.8
occ:1.00
|
O
|
A:TYR175
|
2.3
|
29.2
|
1.0
|
O
|
A:GLY174
|
2.7
|
29.1
|
1.0
|
O
|
B:PHE284
|
2.8
|
31.9
|
1.0
|
O
|
B:TYR175
|
2.9
|
36.7
|
1.0
|
C
|
A:TYR175
|
2.9
|
29.3
|
1.0
|
O
|
A:PHE284
|
3.0
|
32.6
|
1.0
|
O
|
A:GLY283
|
3.0
|
32.1
|
1.0
|
O
|
B:GLY283
|
3.1
|
29.8
|
1.0
|
O
|
B:GLY174
|
3.2
|
35.4
|
1.0
|
C
|
B:PHE284
|
3.4
|
31.9
|
1.0
|
K
|
B:K601
|
3.5
|
48.2
|
1.0
|
C
|
A:PHE284
|
3.5
|
32.7
|
1.0
|
CA
|
A:TYR175
|
3.6
|
29.3
|
1.0
|
C
|
B:TYR175
|
3.6
|
36.6
|
1.0
|
K
|
A:K401
|
3.7
|
55.8
|
1.0
|
N
|
A:GLY176
|
3.7
|
29.3
|
1.0
|
C
|
A:GLY174
|
3.7
|
29.0
|
1.0
|
CA
|
B:PHE284
|
3.8
|
31.1
|
1.0
|
CA
|
A:GLY176
|
4.1
|
30.0
|
1.0
|
CA
|
A:PHE284
|
4.1
|
32.0
|
1.0
|
C
|
A:GLY283
|
4.1
|
31.9
|
1.0
|
C
|
B:GLY283
|
4.1
|
29.8
|
1.0
|
N
|
A:TYR175
|
4.1
|
29.0
|
1.0
|
CA
|
B:TYR175
|
4.3
|
35.8
|
1.0
|
N
|
A:GLY285
|
4.3
|
33.1
|
1.0
|
C
|
B:GLY174
|
4.3
|
35.3
|
1.0
|
N
|
B:GLY285
|
4.4
|
32.5
|
1.0
|
N
|
B:GLY176
|
4.4
|
37.2
|
1.0
|
N
|
B:PHE284
|
4.5
|
30.2
|
1.0
|
N
|
A:PHE284
|
4.6
|
31.7
|
1.0
|
CA
|
A:GLY285
|
4.6
|
34.0
|
1.0
|
CA
|
B:GLY176
|
4.7
|
38.4
|
1.0
|
N
|
B:TYR175
|
4.8
|
35.3
|
1.0
|
CA
|
B:GLY285
|
4.8
|
33.7
|
1.0
|
CB
|
A:TYR175
|
5.0
|
29.4
|
1.0
|
|
Potassium binding site 3 out
of 5 in 8qz3
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Potassium Binding Sites List in 8qz3
Potassium binding site 3 out
of 5 in the Crystal Structure of Human Two Pore Domain Potassium Ion Channel Trek- 2 (K2P10.1) in Complex with An Activatory Nanobody (NB67)
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 Human Two Pore Domain Potassium Ion Channel Trek- 2 (K2P10.1) in Complex with An Activatory Nanobody (NB67) within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
A:K403
b:37.2
occ:1.00
|
O
|
A:THR172
|
2.5
|
27.1
|
1.0
|
O
|
A:THR281
|
2.6
|
30.7
|
1.0
|
O
|
B:THR172
|
2.7
|
33.6
|
1.0
|
O
|
B:THR281
|
2.7
|
29.5
|
1.0
|
OG1
|
A:THR281
|
2.7
|
32.6
|
1.0
|
OG1
|
A:THR172
|
2.8
|
28.9
|
1.0
|
OG1
|
B:THR281
|
3.0
|
32.0
|
1.0
|
K
|
B:K602
|
3.1
|
37.6
|
1.0
|
OG1
|
B:THR172
|
3.2
|
36.2
|
1.0
|
CB
|
A:THR281
|
3.3
|
31.6
|
1.0
|
CB
|
A:THR172
|
3.3
|
28.0
|
1.0
|
C
|
A:THR172
|
3.4
|
26.9
|
1.0
|
CB
|
B:THR281
|
3.5
|
30.8
|
1.0
|
C
|
A:THR281
|
3.6
|
30.6
|
1.0
|
CB
|
B:THR172
|
3.6
|
35.3
|
1.0
|
C
|
B:THR281
|
3.7
|
29.3
|
1.0
|
C
|
B:THR172
|
3.7
|
33.7
|
1.0
|
CA
|
A:THR172
|
4.0
|
26.7
|
1.0
|
CA
|
A:THR281
|
4.0
|
30.4
|
1.0
|
CA
|
B:THR281
|
4.2
|
29.6
|
1.0
|
CA
|
B:THR172
|
4.3
|
33.9
|
1.0
|
N
|
A:ILE173
|
4.4
|
26.8
|
1.0
|
CG2
|
A:THR281
|
4.5
|
32.0
|
1.0
|
CG2
|
A:THR172
|
4.6
|
28.4
|
1.0
|
N
|
A:VAL282
|
4.6
|
30.5
|
1.0
|
N
|
B:VAL282
|
4.7
|
28.8
|
1.0
|
CG2
|
B:THR281
|
4.8
|
31.0
|
1.0
|
N
|
B:ILE173
|
4.8
|
33.5
|
1.0
|
CA
|
A:ILE173
|
4.8
|
27.3
|
1.0
|
CG2
|
B:THR172
|
4.9
|
35.7
|
1.0
|
O
|
A:THR171
|
5.0
|
26.7
|
1.0
|
|
Potassium binding site 4 out
of 5 in 8qz3
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Potassium Binding Sites List in 8qz3
Potassium binding site 4 out
of 5 in the Crystal Structure of Human Two Pore Domain Potassium Ion Channel Trek- 2 (K2P10.1) in Complex with An Activatory Nanobody (NB67)
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 Human Two Pore Domain Potassium Ion Channel Trek- 2 (K2P10.1) in Complex with An Activatory Nanobody (NB67) within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:K601
b:48.2
occ:1.00
|
O
|
B:GLY174
|
2.4
|
35.4
|
1.0
|
O
|
B:ILE173
|
2.4
|
34.1
|
1.0
|
O
|
B:GLY283
|
2.6
|
29.8
|
1.0
|
O
|
A:VAL282
|
2.7
|
31.3
|
1.0
|
O
|
B:VAL282
|
2.7
|
29.1
|
1.0
|
K
|
B:K602
|
2.8
|
37.6
|
1.0
|
O
|
A:GLY174
|
2.9
|
29.1
|
1.0
|
O
|
A:GLY283
|
2.9
|
32.1
|
1.0
|
O
|
A:ILE173
|
3.0
|
27.9
|
1.0
|
C
|
B:GLY174
|
3.2
|
35.3
|
1.0
|
K
|
A:K402
|
3.5
|
50.8
|
1.0
|
C
|
B:ILE173
|
3.5
|
34.1
|
1.0
|
C
|
B:GLY283
|
3.5
|
29.8
|
1.0
|
CA
|
B:GLY174
|
3.7
|
34.8
|
1.0
|
C
|
A:GLY283
|
3.8
|
31.9
|
1.0
|
C
|
A:GLY174
|
3.8
|
29.0
|
1.0
|
C
|
B:VAL282
|
3.8
|
29.1
|
1.0
|
C
|
A:VAL282
|
3.9
|
31.2
|
1.0
|
CA
|
B:GLY283
|
4.0
|
29.3
|
1.0
|
N
|
B:GLY174
|
4.0
|
34.2
|
1.0
|
C
|
A:ILE173
|
4.1
|
27.8
|
1.0
|
N
|
B:TYR175
|
4.2
|
35.3
|
1.0
|
CA
|
A:GLY174
|
4.3
|
28.6
|
1.0
|
N
|
B:GLY283
|
4.3
|
28.9
|
1.0
|
CA
|
A:GLY283
|
4.3
|
31.6
|
1.0
|
N
|
A:GLY283
|
4.5
|
31.2
|
1.0
|
N
|
B:PHE284
|
4.6
|
30.2
|
1.0
|
CA
|
B:TYR175
|
4.6
|
35.8
|
1.0
|
N
|
A:GLY174
|
4.6
|
28.0
|
1.0
|
N
|
A:PHE284
|
4.7
|
31.7
|
1.0
|
CA
|
B:ILE173
|
4.8
|
33.8
|
1.0
|
N
|
A:TYR175
|
4.8
|
29.0
|
1.0
|
O
|
B:THR172
|
4.8
|
33.6
|
1.0
|
O
|
B:THR281
|
4.8
|
29.5
|
1.0
|
O
|
A:THR281
|
4.9
|
30.7
|
1.0
|
C
|
B:TYR175
|
5.0
|
36.6
|
1.0
|
CA
|
A:PHE284
|
5.0
|
32.0
|
1.0
|
CA
|
B:PHE284
|
5.0
|
31.1
|
1.0
|
O
|
A:THR172
|
5.0
|
27.1
|
1.0
|
|
Potassium binding site 5 out
of 5 in 8qz3
Go back to
Potassium Binding Sites List in 8qz3
Potassium binding site 5 out
of 5 in the Crystal Structure of Human Two Pore Domain Potassium Ion Channel Trek- 2 (K2P10.1) in Complex with An Activatory Nanobody (NB67)
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 Human Two Pore Domain Potassium Ion Channel Trek- 2 (K2P10.1) in Complex with An Activatory Nanobody (NB67) within 5.0Å range:
probe
|
atom
|
residue
|
distance (Å)
|
B
|
Occ
|
B:K602
b:37.6
occ:1.00
|
O
|
B:THR281
|
2.5
|
29.5
|
1.0
|
O
|
A:THR172
|
2.6
|
27.1
|
1.0
|
O
|
B:THR172
|
2.7
|
33.6
|
1.0
|
O
|
B:ILE173
|
2.7
|
34.1
|
1.0
|
O
|
A:THR281
|
2.8
|
30.7
|
1.0
|
O
|
B:VAL282
|
2.8
|
29.1
|
1.0
|
O
|
A:ILE173
|
2.8
|
27.9
|
1.0
|
K
|
B:K601
|
2.8
|
48.2
|
1.0
|
O
|
A:VAL282
|
3.0
|
31.3
|
1.0
|
K
|
A:K403
|
3.1
|
37.2
|
1.0
|
C
|
B:ILE173
|
3.4
|
34.1
|
1.0
|
C
|
B:VAL282
|
3.5
|
29.1
|
1.0
|
C
|
A:ILE173
|
3.6
|
27.8
|
1.0
|
C
|
B:THR281
|
3.6
|
29.3
|
1.0
|
C
|
A:VAL282
|
3.8
|
31.2
|
1.0
|
C
|
A:THR172
|
3.8
|
26.9
|
1.0
|
C
|
B:THR172
|
3.8
|
33.7
|
1.0
|
CA
|
B:ILE173
|
3.9
|
33.8
|
1.0
|
C
|
A:THR281
|
3.9
|
30.6
|
1.0
|
CA
|
B:VAL282
|
3.9
|
28.9
|
1.0
|
CA
|
A:ILE173
|
4.1
|
27.3
|
1.0
|
CA
|
A:VAL282
|
4.2
|
30.9
|
1.0
|
N
|
B:VAL282
|
4.3
|
28.8
|
1.0
|
N
|
B:ILE173
|
4.3
|
33.5
|
1.0
|
N
|
A:ILE173
|
4.4
|
26.8
|
1.0
|
N
|
B:GLY174
|
4.4
|
34.2
|
1.0
|
N
|
B:GLY283
|
4.4
|
28.9
|
1.0
|
N
|
A:GLY174
|
4.4
|
28.0
|
1.0
|
N
|
A:VAL282
|
4.5
|
30.5
|
1.0
|
N
|
A:GLY283
|
4.7
|
31.2
|
1.0
|
O
|
B:GLY174
|
4.8
|
35.4
|
1.0
|
O
|
A:GLY174
|
4.8
|
29.1
|
1.0
|
CA
|
B:THR281
|
4.8
|
29.6
|
1.0
|
O
|
B:GLY283
|
4.8
|
29.8
|
1.0
|
CA
|
B:GLY174
|
4.8
|
34.8
|
1.0
|
CA
|
A:GLY174
|
4.8
|
28.6
|
1.0
|
CA
|
B:GLY283
|
4.9
|
29.3
|
1.0
|
CA
|
A:THR172
|
4.9
|
26.7
|
1.0
|
CB
|
B:THR281
|
5.0
|
30.8
|
1.0
|
O
|
A:GLY283
|
5.0
|
32.1
|
1.0
|
CA
|
B:THR172
|
5.0
|
33.9
|
1.0
|
|
Reference:
K.E.J.Rodstrom,
A.Cloake,
J.Sormann,
A.Baronina,
K.H.M.Smith,
A.C.W.Pike,
J.Ang,
P.Proks,
M.Schewe,
I.Holland-Kaye,
S.R.Bushell,
J.Elliott,
E.Pardon,
T.Baukrowitz,
R.J.Owens,
S.Newstead,
J.Steyaert,
E.P.Carpenter,
S.J.Tucker.
Extracellular Modulation of Trek-2 Activity with Nanobodies Provides Insight Into the Mechanisms of K2P Channel Regulation. Nat Commun V. 15 4173 2024.
ISSN: ESSN 2041-1723
PubMed: 38755204
DOI: 10.1038/S41467-024-48536-2
Page generated: Tue Aug 13 00:39:48 2024
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